20 App Ideas For Cancers [2024]

Updated: September 19th, 2024

Interested in launching an app as a cancer in 2024?

If managed well, building an app as a cancer could be more lucrative than employment. So, which are the best app ideas for Cancers?

We put together 20 of some of the best cancer apps you can start working on today.

For each app ideas, we'll show you real-world examples of other similar apps to help you see what it takes.

Here's the full list:

1. Start a health and wellness app ($108K/month)

If you're a Cancer, starting a health and wellness app could be an ideal way for you to supplement your income or build a side business. Your innate compassion and desire to support others can shine through in a platform that offers personalized fitness routines, nutrition plans, and mental well-being exercises. By creating an app that acts as a virtual coach in users' pockets, you'll be providing valuable support and guidance exactly when people need it most.

You could leverage your nurturing qualities to develop an app focused on holistic health, promoting both physical and mental well-being. With thorough market research, collaboration with health experts, and a solid marketing strategy, you'll be well-equipped to make a significant impact in the wellness industry. Not only will this venture allow you to make a meaningful contribution, but it could also grow into a thriving business, tapping into an ever-expanding market dedicated to health and technology.

How much you can make: $600 — $300,000/month

How long does it take to build: 200 days (?)

I Created A $2.7M/Year Software That Extends People's Lives By Analyzing Their DNA

Founder and CEO of SelfDecode, Joe Cohen, explains how his company helps people discover personalized diet, supplement, and lifestyle recommendations based on DNA and lab tests; generating about $2.7 million in revenue over the past year and raising $8 million in a crowdfunding campaign, SelfDecode provides personalized health recommendations prioritized on unique genetic variants, marking the future of healthcare.

Read by 8,440 founders

2. Start a career guidance app business ($34.7K/month)

As a Cancer, you could channel your nurturing and empathetic nature into creating a career guidance app that truly helps individuals find their path. Developing this app could allow you to offer personalized advice and resources, tailored to users' unique skills and ambitions. This venture could be deeply fulfilling, aligning with your desire to support and guide others through life’s journey.

You could also find satisfaction in being part of a solution that empowers people to make informed career decisions. Your passion for career development combined with tech-savviness makes this an ideal entrepreneurial opportunity. By launching a career guidance app, you could not only supplement your income but also make a significant and positive impact on countless lives.

How much you can make: $6,000 — $86,992/month

How much does it cost to start: $600 (?)

How long does it take to build: 74 days (?)

How I Validated My Idea On Reddit And Built A $180K/Year Job Search Automation Platform

Loopcv is a job search automation platform experiencing 15% monthly growth, offering solutions for bootcamps, universities, career coaches, developers, recruitment companies, job boards, affiliates, and companies looking to perform internal restructuring.

Read by 11,950 founders

3. Start a customer support app ($911K/month)

As a Cancer, you could leverage your innate empathy and problem-solving skills to design a customer support app that genuinely helps users feel heard and valued. By creating an app that consolidates all customer interactions into one intuitive interface, you’ll be tapping into your natural ability to bring order and efficiency to chaotic situations. This could not only supplement your income but also forge a pathway to a thriving side business or even a full-fledged enterprise.

Imagine developing a tool that automates ticketing, integrates multiple communication channels, and utilizes AI-driven chatbots to provide instant responses. Such a solution would not only resolve customer issues quickly but also foster loyalty and satisfaction. With businesses continually seeking ways to enhance their customer support, you could carve out a noticeable niche in this growing market, all while making a meaningful impact.

How much you can make: $4,500 — $4,160,000/month

How long does it take to build: 125 days (?)

On Starting A $160K/Month CRM & Automations Company After A US Air Force Career

GreenRope, a self-funded CRM and marketing automation platform with over 1,000 customers in 20 countries, was built organically and focused on creating a positive, customer-centric culture without outside investment, with an all-in-one interface solving challenges in managing sales, marketing, customer service, and operations.

Read by 11,991 founders

4. Start a CRM app business ($135K/month)

As a Cancer, nurturing relationships is second nature to you, making a CRM app business a perfect fit for your empathetic and caring nature. You could create a tool that helps businesses streamline their communications, track leads, and nurture customer relationships—all from one central platform. Providing these tools could help businesses boost their sales and improve customer satisfaction, which speaks to your innate desire to support and uplift others.

Imagine offering a service that is increasingly essential as companies shift their focus to personalized customer experiences. Developing a CRM app involves defining core features, collaborating with skilled developers, and implementing marketing strategies to capture your target market. While it's a venture that requires significant legwork, the potential payoff could be substantial and deeply rewarding. Dive into the CRM app market and utilize your strengths to create a tool that businesses can’t live without, unlocking unlimited possibilities for growth and innovation.

How much you can make: $5,000 — $375,000/month

How long does it take to build: 90 days (?)

On Starting A $160K/Month CRM & Automations Company After A US Air Force Career

GreenRope, a self-funded CRM and marketing automation platform with over 1,000 customers in 20 countries, was built organically and focused on creating a positive, customer-centric culture without outside investment, with an all-in-one interface solving challenges in managing sales, marketing, customer service, and operations.

Read by 11,991 founders

5. Start a team collaboration app ($220K/month)

As a Cancer, creating a Team Collaboration App could play to your strengths of being nurturing, intuitive, and meticulous. With remote work becoming increasingly popular, you have the opportunity to develop a platform that bridges communication gaps and boosts productivity for teams. Your ability to understand emotional dynamics could help you design an app that fosters a supportive and efficient work environment.

Such an app would be a versatile tool for any team, incorporating features like video conferencing, task management, and document sharing. With your attention to detail, you could ensure the app remains user-friendly and secure, encouraging long-term user satisfaction. Whether you're passionate about coding, project management, or solving workplace inefficiencies, this venture could open doors to supplementary income, extra money, or even a thriving business.

How much you can make: $2,000 — $1,000,000/month

How much does it cost to start: $2,000 (?)

How long does it take to build: 180 days (?)

How Our Team Collaboration Apps Generate $600K/Month

Meister Labs, creators of MindMeister and MeisterTask, have close to $10 million ARR with their Freemium subscription business model, providing software tools for small to medium-sized businesses from all verticals and private users as well, which include 11 million MindMeister and 3 million MeisterTask users.

Read by 6,959 founders

6. Start a time tracking app ($76.1K/month)

For Cancers with entrepreneurial aspirations, developing a time-tracking app could be a rewarding venture. Known for your nurturing nature, you could create an app that not only helps users efficiently manage their time but also enables them to balance their work and personal lives—a priority for many Cancers.

By tapping into the growing demand for productivity tools in remote work settings, you could generate additional income or even build a robust business. With features like clocking in/out, detailed task analytics, and reporting, your app could meet the needs of a wide array of professionals and managers looking to optimize time management.

How much you can make: $350 — $500,000/month

How much does it cost to start: $5,000 (?)

How long does it take to build: 180 days (?)

How I Launched A $185K/Month Employee Time & GPS Tracking App

Labor Sync is a mobile application that provides business owners with the ability to track the time and GPS location of their mobile workforce and after just one year of use, they saved $104,000 across 45 employees despite starting off with no funds for advertising or marketing.

Read by 8,177 founders

7. Start an user feedback app ($31.4K/month)

As a Cancer, you could tap into your natural empathy and intuition to create a successful user feedback app that truly understands customer needs. By leveraging your sensitivity and emotional intelligence, you'll be able to design a platform that gathers, organizes, and analyzes customer feedback in real-time, helping businesses improve their products and services based on genuine user experiences.

This entrepreneurial venture offers the potential for recurring revenue through subscription models, providing a steady income stream. Imagine the satisfaction of building a tool that not only aids businesses in making informed decisions but also enhances overall customer satisfaction. Your innate ability to connect with others emotionally will be a significant asset in creating an app that resonates deeply with users, making this business idea a perfect match for you.

How much you can make: $100 — $150,000/month

How long does it take to build: 180 days (?)

How I Created A Conversion Rate Optimization Software And Landed The #1 On Product Hunt

Conversion Crimes is a software with a service geared towards small businesses and agencies to help them with conversion rate optimization and user experience, which recorded just shy of $10k in its first month after launching in September 2020.

Read by 7,918 founders

8. Build an iPhone app ($238K/month)

As a Cancer, your natural inclination towards nurturing and building meaningful relationships can be a valuable asset in the development of an iPhone app. Given the iPhone’s prominence in connecting people globally, you could leverage your empathy and creativity to create an app that resonates with users on a personal level. This connection can translate into a loyal user base, paving the way for supplemental income or even a thriving side business.

You might consider developing an app that helps people maintain and enhance their personal connections, such as a planner for meaningful dates or a platform for virtual meetups. Focusing on user-friendly design and fostering a sense of community could set your app apart in the crowded market. With a strong brand identity and a knack for tapping into emotions, your entrepreneurial spirit can turn your app into a lucrative venture.

How much you can make: $150 — $2,000,000/month

How long does it take to build: 190 days (?)

Time commitment per week: Min. 5 hours/week

How I Created A $60K/Month App That Collects In-Person Payments Through Stripe

Payment.co, an app built on top of the Stripe payment gateway for creating card-present charges, has grown to process over $70M in volume annually since launching in 2015, with the app collecting a 1% service fee on every single charge.

Read by 23,426 founders

9. Start a mobile app development business ($141K/month)

Starting a mobile app development business could be an excellent opportunity for you as a Cancer, especially if you are entrepreneurial-minded. Your natural sensitivity and intuition can help you understand and anticipate user needs, creating apps that resonate deeply with users. By tapping into this growing industry, you could not only supplement your income but also build a sustainable side business or even a full-fledged company.

Mobile app development requires strong technical skills, and your detail-oriented nature can contribute to developing high-quality software. Additionally, your innate ability to connect with people can be advantageous in marketing and selling your apps effectively. Embracing this venture allows you to channel your creativity and empathy into innovative projects, potentially translating your vision into a successful business.

How much you can make: $6,000 — $700,000/month

How long does it take to build: 120 days (?)

How I Started A $6K/Month SEO And Digital Marketing Agency In Bangladesh

This case study features Md. Yousuf Ali, the founder of Rank Trends, who shares how he started a successful digital marketing agency, which generated a revenue of over $6k per month through SEO and video production services.

Read by 12,481 founders

10. Create a mobile app ($70.3K/month)

Creating a mobile app could be an excellent avenue for you to supplement your income or start a side business, especially as someone who is naturally nurturing and intuitive, qualities often associated with Cancers. These traits can help you understand and cater to user needs effectively, whether you’re developing a wellness app, a family organization tool, or a platform that supports personal growth.

By leveraging your intuitive understanding of people's emotional and practical needs, you could create an app that genuinely resonates with users, enhancing their daily lives. Whether you choose to learn basic coding or hire a skilled developer, your strong sense of dedication and ability to plan meticulously can guide you through the process of designing compelling user experiences and marketing your app effectively.

Ultimately, the world of app development offers a wealth of opportunities for financial gain and personal fulfillment. Your empathetic and creative nature can serve as your guiding light in turning a brilliant idea into a successful mobile app.

How much you can make: $1 — $500,000/month

How long does it take to build: 180 days (?)

We Started A $6M/Year Bachelorette Party App

BACH, an app that plans and books bachelorette parties, has grown from $0 to >$1M net revenue run rate in less than 6 months, gained over 100,000 users in their first 60 days, and has over 40,000 parties using the app this month.

Read by 10,950 founders

11. Become a mobile app builder ($153K/month)

Turning your knack for coding into a thriving business could mean creating a mobile app builder. This platform would empower non-developers to craft, customize, and publish mobile apps effortlessly. For a Cancer, this idea resonates with your nurturing and supportive nature, as you could help small businesses and entrepreneurs bring their app ideas to life without needing to write any code.

The demand for mobile solutions is continuously growing, with companies eager to invest in efficient tools. By developing a user-friendly and robust platform, you could tap into this expanding market and create a steady stream of income. The opportunity doesn't just lie in the initial offer but also in providing strong user support and regularly updating features to keep your users satisfied and engaged.

How much you can make: $7,500 — $700,000/month

How long does it take to build: 90 days (?)

How I Started A $150K/Month App Agency That Works With The Fortune 500

Imaginovation, a technology and app development company in Raleigh, NC, was recently named one of the Top Technology Companies in North Carolina by Clutch and has grown an average of over 40% in revenue every year since it was founded in 2011 by co-founders Michael Georgiou and Pete Peranzo.

Read by 5,560 founders

12. Start a B2B sales app ($144K/month)

Creating a B2B sales app presents a wonderful opportunity for you to supplement your income or even kickstart a side business. Given that 72% of B2B buyers highly value self-service access to accounts and orders, your app could quickly gain traction by catering to this demand. You could help sales professionals manage leads, create orders, and close deals more efficiently, making your solution highly valuable in the market.

Focusing on features like automated lead generation and follow-ups could help user sales teams boost their performance, as these tools speed up the ordering process and reduce manual workload. By offering customers self-ordering capabilities through a product catalog, you tap into the growing trend of digital self-service, thereby meeting contemporary expectations.

In the initial stages, validating your idea by gathering feedback from sales professionals can help refine and enhance your offering, ensuring it meets real-world needs. This approach not only solidifies your business foundation but also positions you as a tech-savvy entrepreneur ready to make a meaningful impact.

How much you can make: $1,000 — $666,667/month

How much does it cost to start: $550 (?)

How long does it take to build: 80 days (?)

How We Created A $40K/Month 1-Click Integrations Platform

Integrately founder Abhishek A Agrawal built a 1-click integration platform which acquired around 1,500 paid customers within the first month of its launch, showing that people are looking for an easy way to automate their processes.

Read by 11,803 founders

13. Start a custom app development service ($193K/month)

As a Cancer, your natural inclination towards empathy and nurturing can make you particularly effective at understanding and meeting the unique needs of businesses through a custom app development service. Imagine offering tailored mobile and web applications for businesses that require specialized solutions, beyond what off-the-shelf software can provide.

Starting your own custom app development service allows you to become the go-to resource for companies looking to innovate and streamline their operations. You could work closely with clients to understand their individual needs, translate those requirements into functional apps, and support them through their digital transformation journey.

While this path requires strong programming skills and an understanding of diverse business models, the satisfaction of creating unique products that solve real problems can be immensely rewarding. If you’re tech-savvy and have a knack for problem-solving, this could be your path to a fulfilling and lucrative business.

How much you can make: $10,000 — $700,000/month

How long does it take to build: 80 days (?)

How This Self-Taught Developer Started A $125K/Month Software Agency

How a self-taught engineer built a software development studio, Materialize, into a 18-person team with a revenue of $125k per month, by leveraging his technical expertise and establishing well-defined processes to build products efficiently and cost-effectively.

Read by 8,971 founders

14. Start a graphic design app ($27.6K/month)

As a Cancer, your natural inclination towards creativity and nurturing can be assets when creating a graphic design app. You could leverage your empathetic nature to understand user needs and design a user-friendly interface, making the app welcoming and accessible for everyone. With modern businesses constantly in need of digital branding, holograms, and poster designs, your app could cater to the ever-growing demand for graphic design services.

Starting a graphic design app could allow you to supplement your income or even establish a successful side business. By focusing on essential skills like design principles, branding, and UX/UI design, and hiring developers to handle the coding aspects, you could build an app that stands out in the market. This endeavor could give you the opportunity to express your creativity while also connecting with others in a meaningful way.

How much you can make: $100 — $83,500/month

How much does it cost to start: $500 (?)

How long does it take to build: 120 days (?)

How Two Friends Bootstrapped A SaaS Business To $55K MRR

Learn how two friends bootstrapped a SaaS business to $55k monthly recurring revenue (MRR) by creating a simple graphic design tool for non-designers and focusing on content marketing for customer acquisition.

Read by 21,346 founders

15. Create a shopify app ($52.1K/month)

As a Cancer, your innate nurturing and empathetic nature can be a significant asset in developing a Shopify app that enhances customer engagement or streamlines inventory management. You could create an app that helps ecommerce businesses establish deeper connections with their customers, providing personalized shopping experiences that feel more like a community than a transaction. This kind of emotional intelligence and attention to detail can set your app apart in a crowded market.

While building a Shopify app requires technical skills in coding and UX design, your natural dedication and ability to stick through challenging situations can help you maintain and improve your app over time. The potential for recurring revenue through subscriptions or one-time fees makes it a promising venture worth exploring. With commitment and the right idea, you could create a service that benefits thousands of online stores, turning your side project into a successful business.

How much you can make: $10,000 — $110,000/month

How long does it take to build: 90 days (?)

How We Developed A $29K/Month WhatsApp Plugin For Shopify

SuperLemon, a WhatsApp plugin for Shopify eCommerce stores, crossed $29,000 in MRR as of July 2020, with 20,000 users from 50+ countries and 1700+ paying customers, all acquired through organic marketing strategies and a relentless focus on customer service and satisfaction.

Read by 23,500 founders

16. Start a travel booking app ($421K/month)

As a Cancer, your natural nurturing instincts and attention to detail could make a travel booking app an ideal venture for you to supplement your income or even start a side business. The booming travel industry offers immense potential, and with your empathetic nature, you could create a user-friendly app that caters to travelers' needs in a more personalized way. Given the rise of mobile technology, there is a significant opportunity to tap into a market that seeks convenient and seamless travel arrangements.

Developing a travel booking app could allow you to leverage your programming skills and industry knowledge to build a platform that businesses can utilize to reach their customers. This entrepreneurial path could provide a fulfilling experience, combining your passion for travel with your innate ability to care deeply about user satisfaction. With dedication and effort, your travel booking app could not only become a profitable business but also a means to make travel easier and more enjoyable for many people.

How much you can make: $2,800 — $1,500,000/month

How long does it take to build: 285 days (?)

We Make $1.8M/Year Renting Tiny Homes To Travelers

Tiny Away, a network of eco-friendly 'tiny houses' across Australia, has grown to over 75 private locations and brings in an average of $156,000 in monthly rental revenue, appealing to city dwellers seeking unique and comfortable accommodation experiences.

Read by 7,555 founders

17. Start a language learning app ($31.2K/month)

Starting a language learning app could be a great entrepreneurial opportunity for you as a Cancer. Your natural empathy and nurturing personality make you well-suited to create an engaging and supportive learning environment. With the global demand for language learning apps expected to rise beyond $21.2 billion in the next few years, there's a significant market waiting to be tapped.

You could start this venture as a side business to supplement your income, or even grow it into a full-fledged enterprise. From ideation to the marketing stage, your attention to detail and intuitive understanding of what users need can help you build a user-friendly and effective app. Incorporating features like gamification, timely tips, and community interaction will ensure that your app stands out and meets the needs of learners everywhere.

How much you can make: $240 — $120,000/month

How much does it cost to start: $300 (?)

How long does it take to build: 227 days (?)

How We Started A $18K/Month App And Browser Extensions Development Business

Gikken is a small, profitable European company founded by Alex that makes browser extensions and apps used by 800,000 people every month, with their flagship product, Mate Translate, generating around $18,000 a month, but monetizing their user base better is their top priority for the next year.

Read by 10,843 founders

18. Start a wordpress plugin business ($33.4K/month)

As a Cancer, your nurturing and intuitive nature could be great assets in a WordPress plugin business. You could harness your empathy to identify common issues website owners face, and develop plugins that solve those problems, creating real value for your users. Your attention to detail and natural inclination for making things better could ensure that your plugins are not only functional but also user-friendly.

Selling WordPress plugins can be a lucrative side business or even grow into a full-time venture. You could sell your plugins on platforms like CodeCanyon or through your blog, reaching a wide audience without needing to leave the comfort of your home. By focusing on offering practical solutions, you create opportunities for recurring income while helping others succeed with their websites.

Consider starting small—maybe a plugin that addresses a specific, common problem—and expand as you gain confidence and experience. This way, you would keep your risk low while discovering what works best for your audience. With your natural inclination to care and improve, you could turn your WordPress plugin business into a fulfilling and profitable pursuit.

How much you can make: $120 — $120,000/month

How much does it cost to start: $5,000 (?)

How long does it take to build: 120 days (?)

Time commitment per week: Min. 5 hours/week

How I Coded A Website Plugin Making $600 Per Month

Wheely Sales CEO Josh created a lucky wheel popup that has grown revenue from $0 to $600/month in just 4 months since getting started and has attracted over 1.1 million users to his customers’ websites, all while proving that when it comes to creating a product, competition is validation.

Read by 18,935 founders

19. Start a voice translation app business ($191K/month)

Starting a voice translation app business could be an appealing venture for you as a Cancer. Known for their empathetic and nurturing nature, Cancers often excel in roles where they can help others and create meaningful connections. With a voice translation app, you could break down communication barriers and facilitate better understanding between different cultures and industries.

You could leverage your intuitive sense of people's needs to design a user-friendly application. By incorporating advanced voice recognition and machine learning algorithms, you could ensure accurate and efficient translations. This business has substantial potential given the growing demand for seamless communication in a globalized world. It could be a rewarding and profitable way to supplement your income, make extra money, or even start a full-fledged business.

How much you can make: $5,000 — $550,000/month

How much does it cost to start: $7,500 (?)

How long does it take to build: 75 days (?)

Buying A Translation Company And Growing It To $4M/Year

DEMAN Translations grew from 6 employees and 1.5 million euros in turnover in 2015 to 17 team members and 3.5 million euros in sales in 2020 after acquiring 12 other translation agencies, with a goal to reach 6 million euros this year and 10 million euros in 2022.

Read by 8,473 founders

20. Start a crowdfunding app business ($179K/month)

As a Cancer, you likely cherish opportunities to help others and build strong community ties. Creating a crowdfunding app business could allow you to connect projects with the financial support they need, making a meaningful difference in countless lives. This aligns with your nurturing nature, enabling you to support startups, creative endeavors, and community initiatives.

Additionally, the technical and entrepreneurial skills required for developing a user-friendly crowdfunding platform may excite the tech enthusiast in you. You could create a seamless user interface and secure financial transaction system, attracting micro-investments and fostering innovation. This venture offers the potential for considerable growth and impact, placing you at the heart of a dynamic ecosystem of dreamers and supporters.

How much you can make: $5,000 — $400,000/month

How long does it take to build: 365 days (?)

How We Built And Launched A $100M Equity Crowdfunding Platform

StartEngine has helped over 265 companies raise capital from a community of 190,000 users on their equity crowdfunding platform, and has raised almost $100M to date, offering equity, debt, convertible note, and other types of securities to investors.

Read by 8,807 founders

meet the author
Pat Walls

I'm Pat Walls and I created Starter Story - a website dedicated to helping people start businesses. We interview entrepreneurs from around the world about how they started and grew their businesses.