Idea

Apps So Simple

Apps So Simple Yet So Profitable

Ask the data real businesses · real revenue · cited

Matching your filters

9 businesses

56% founder-reported, the rest researched

<$10K

$10K+

$50K+

$100K+

$1M+

Median revenue

$30K /mo

Middle half earn $8K – $50K/mo

How they grow

Business models

Showing 9 case studies

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Built With

Video summarization tool

AI tool summarizing YouTube videos for quick insights.

eightify.app

—

Customizable task management app

Gamified, subscription-free mobile task management app.

finaletodo.com

$4K /mo Reported

Free high-performance mc hosting

Free high-performance Minecraft server hosting.

freemcserver.net

$1K /mo Reported

Simple website hosting tool

Drag-and-drop hosting for easy web sharing.

tiiny.host

$40K /mo Reported

Frontend coding challenge platform

Real coding projects for aspiring developers

frontendmentor.io

$30K /mo Reported

Focus-enhancing productivity app

Focus-enhancement app blocking digital distractions.

stayinsession.com

$8K /mo Reported

AI academic research assistant

AI writing assistant for academic research

jenni.ai

$700K /mo Estimated

Habit building app

Habit-building app designed for personal growth.

riseapp.life

$20K /mo Estimated

Intuitive text summarization tool

"AI text summarization tool for enhanced reading experience."

lessentext.com

—

Idea	Revenue	Model	Growth	Customers	Tools	Details	Solo score A 0–100 estimate of how well-suited a business is to being run solo (or very lean). It blends team leanness, business model, growth channels, capital intensity, revenue per operator, tooling leverage and recency into one score. Higher = more solopreneur-friendly.
Video summarization tool eightify.app AI tool summarizing YouTube videos for quick insights.	—	Productivity	Word of mouth Organic social media	Professionals +2	+4	Founded 2022 · 3 people · $20K to start	76	Build this
Customizable task management app finaletodo.com Gamified, subscription-free mobile task management app.	$4K /mo Reported	One time payment +1	Affiliate program Advertising on social media +1	Students +2	FI +15	Founded 2022 · 2 people · Built in 90 days	70	Build this
Free high-performance mc hosting freemcserver.net Free high-performance Minecraft server hosting.	$1K /mo Reported	Freemium +2	Word of mouth Referral Program +1	Gamers on a Budget +5	+16	Founded 2018 · Solo founder · Portugal	60	Build this
Simple website hosting tool tiiny.host Drag-and-drop hosting for easy web sharing.	$40K /mo Reported	Subscription +2	Word of mouth Facebook Community +1	Designers +5	CR +5	Founded 2019 · Solo founder · $100 to start	84	Build this
Frontend coding challenge platform frontendmentor.io Real coding projects for aspiring developers	$30K /mo Reported	Freemium +1	Word of mouth SEO +1	Beginner Freelancers +9	+10	Founded 2018 · 2 co-founders · $8K to start	77	Build this
Focus-enhancing productivity app stayinsession.com Focus-enhancement app blocking digital distractions.	$8K /mo Reported	Freemium +1	Word of mouth Organic social media	Creative Workers +5	PR	Founded 2020 · Solo founder · $100 to start	73	Build this
AI academic research assistant jenni.ai AI writing assistant for academic research	$700K /mo Estimated ▲ 167% · 29 mo	Freemium +4	SEO Organic social media	Universities and Educat... +1	FR	Founded 2020 · 9 people · Seoul, South Korea, Korea, Republic of	72	Build this
Habit building app riseapp.life Habit-building app designed for personal growth.	$20K /mo Estimated	Subscription	SEO Organic social media	Self-Improvement Enthus... +2	CH	Founded 2023 · 2 co-founders · $8K to start	77	Build this
LT Intuitive text summarization tool lessentext.com "AI text summarization tool for enhanced reading experience."	—	SaaS +3	Word of mouth SEO +1	Students +6	NE +1	Founded 2023 · Solo founder · Built in 42 days	84	Build this

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