**Micro SaaS** is a Software as a Service (SaaS) business model targeting small niche markets. It is an attractive model that can be started with limited resources and low costs, while generating high profits by focusing on specific target customers. The 12 Micro SaaS cases introduced here are exemplary businesses that have achieved success through unique ideas.
1. InAppStory: Adding ‘Story’ Features to Mobile Apps
InAppStory is a service for mobile app developers, enabling them to integrate popular story features into their apps. It allows other apps to use the ‘story’ feature similar to what you see on Instagram or Facebook.
- Monthly Revenue: $7,000 (approx. 10 million KRW)
- Key to Success: Increased user engagement through story features, applicability across various industries, reliable service provision
InAppStory significantly boosted user engagement by offering full-screen story formats and achieved success by providing solutions applicable to a wide range of apps.
2. MailRush.io: Cold Email Marketing Optimization Tool
MailRush.io is a powerful tool that automates and optimizes cold email marketing, making it highly useful for B2B companies. It addresses issues with email deliverability and bounce rates, offering features like automated follow-up emails.
- Monthly Revenue: $22,000 (approx. 30 million KRW)
- Key to Success: AI-based email generation and performance analysis, modernizing the longstanding marketing channel of email
MailRush.io resolved various challenges faced in cold email marketing, maximizing performance through AI-based content generation and analytics.
3. MentalPort App: AI-based Mental Health Guide
MentalPort App is a mental health management app utilizing AI to provide personalized guides for user well-being.
- Monthly Revenue: $500 (approx. 68,000 KRW)
- Key to Success: Targeting the niche mental health market, AI-based personalized advice, high accessibility via smartphones
MentalPort App is gaining growth potential by offering personalized advice through AI, aligning with the increasing interest in mental health.
4. Camocopy: Privacy-First AI Solution
Camocopy is a SaaS solution that offers AI functionality while strictly protecting user privacy.
- Monthly Revenue: $5,000 (approx. 7 million KRW)
- Key to Success: Combination of data protection and AI technology, utilization of open-source AI models
Camocopy has become an attractive option for users and businesses concerned with privacy, by ensuring strict protection of user data without collecting it.
5. PriceWell: Subscription Billing Without Developers
PriceWell simplifies the implementation of the Stripe payment system.
- Number of Companies Using: Over 500
- Key to Success: Easy integration with no-code platforms, support for subscription-based businesses
PriceWell maximized user convenience by enabling easy setup of subscription billing systems without developers, through seamless integration with various no-code platforms.
6. CalenDesk: Booking Management Service with $20,000 Monthly Revenue
CalenDesk is a SaaS company solving online booking issues for small businesses, with significant success in the Polish market.
- Monthly Revenue: $15,000 (approx. 20 million KRW)
- Key to Success: Booking functions tailored to specific industries, operational time savings, integration with various calendars
CalenDesk has gained attention by providing customized booking systems for various industries, maximizing operational efficiency, and saving users’ time.
7. Interview Study: AI Interview Coach Simulator
Interview Study is a service that simulates real interview scenarios using AI, focusing on improving job seekers’ success rates.
- Monthly Revenue: $500 (approx. 70,000 KRW)
- Key to Success: AI interview coaching, database of up-to-date company interview questions, personalized practice features
Interview Study has established itself as a successful case by personalizing interview preparation through AI technology and applying cutting-edge technology to specific problems.
8. Better Sheets: Google Sheets Mastery Education SaaS
Better Sheets is a comprehensive learning and tool platform for Google Sheets users.
- Monthly Revenue: $14,815 (approx. 20 million KRW)
- Key to Success: Video tutorials, online courses, various tools and templates
Better Sheets has achieved significant success by offering in-depth learning and tools to users, building on the popular existing tool, Google Sheets.
9. DatingKit: Dating Site Kit with $35,000 Monthly Revenue
DatingKit is a SaaS solution that helps developers quickly and easily create dating apps.
- Monthly Revenue: $25,000 (approx. 35 million KRW)
- Key to Success: Niche targeting in the dating app market, optimized features for revenue generation
DatingKit has generated high revenue by targeting companies that aim to operate small-scale dating sites, optimizing feature implementation and revenue generation.
10. OneTake: AI Video Editing with $700,000 Annual Revenue
OneTake AI is an AI-based video editing SaaS company providing innovative solutions for professionals, coaches, and online instructors.
- Annual Revenue: $500,000 (approx. 700 million KRW)
- Key to Success: AI-based automatic editing, translation, and lip-sync adjustment for various languages
OneTake AI has created a new market by offering professional-grade video editing with a single click, democratizing video content creation.
11. Receipt AI: AI SaaS that Saves 97% of Time
Receipt AI is a service that automates receipt management and expense processing using AI technology.
- Monthly Revenue: $1,200 (approx. 1.5 million KRW)
- Key to Success: Automating accounting tasks via SMS, 97% time savings
Receipt AI simplifies the complex and time-consuming task of organizing receipts, enhancing the efficiency of financial management.
12. Projection Lab: Essential Financial Tool for the FIRE Community
ProjectionLab is a SaaS platform for personal financial planning and simulation, particularly useful for the FIRE (Financial Independence, Retire Early) community.
- Monthly Revenue: $40,000 (approx. 50 million KRW)
- Key to Success: Customized financial planning simulations, emphasis on privacy
ProjectionLab has established itself as a crucial tool for individuals aspiring to financial independence by providing detailed financial simulations based on users’ financial situations.
Conclusion: Achieving Big Success with Small Micro SaaS Ideas
These 12 cases demonstrate the potential of Micro SaaS businesses aimed at small niche markets. Successful Micro SaaS businesses start with simple ideas and stem from satisfying specific needs. Start your journey toward big success with a small idea.