60 of 406 ideas

A solo-built real-time bus/train tracker covering 160+ cities, downloaded 5.2M times, grown to $30K/mo in subscriptions on free App Store keyword optimization (ASO) alone.

Stephen has shipped hit app after hit app, and he's publishing his four-step idea-validation framework. Posted is doing $90K/mo right now; his last one, PuffCount, hit $44K/mo before he sold it. The core of the method: marketing is 90% of the outcome.

George can't code, so he used the no-code platform Rork to build an AI wrestling coach: upload your match video, the AI tells you what you did right and wrong, then hands you targeted drills. $10/mo, $38K actually collected in a single month (~$20K MRR). The core play: take “AI combat coach” and cut it down to the ultra-vertical wrestling niche, then snowball acquisition through a matrix of wrestling influencers.

An AI-wrapper selfie editing app that hit $2M/mo on controversial before-and-after creatives plus Facebook paid acquisition

Dumb, simple, viral apps built on open-source AI models: lip-sync and AI art, 250M cumulative downloads and an Nvidia investment

Alex Slater's quit-vaping / addiction app, name-checked as the proof case for “the same mass short-form UGC play” — roughly $500K/mo off that one playbook.

An “emergency button” app built for panic attacks and anxiety

An AI fitness app that builds custom smart training plans for gym strength training

Get the waitlist page, analytics, feedback board, email sequence, store listing, and landing page all in place before launch, and soak up every drop of Apple's new-app traffic boost

An indie hacker doing $77K/mo across 35 products, with a single core methodology — never stop shipping. His latest: a Mac desktop app that watches your posture through the webcam

Single-feature niche apps that identify and price anything from one photo — one team built a whole portfolio across coins, rocks, antiques, and insects, with the top app doing $500K/mo

A former game artist who never writes a line of code himself is building a Unity card roguelike entirely through Claude Code, sustained for 8 months by a workflow of "search-engine-style prompting + subagent review"

A content creator vibe-coded an app for himself while ill: continuous glucose monitor and Apple Health data all stored locally, with a single API letting AI analyze his vertigo triggers and give advice in the moment

An iOS engineer used ASO keyword picking + Flutter template reuse to ship 28 single-feature apps in 8 months and hit $10K/mo

Snap a photo of your fridge and AI identifies what you already have, then recommends dishes that fit your calorie target

A 2020 pixel-shooter mobile game that earned $119K over five years by porting to every platform

Lock your phone until you pray: a Christian take on screen-time control, subscription-based, with AI-generated personal prayers

UMAX for women's beauty: scan your face, get a makeup/skincare makeover plan

Tinder for job hunting: swipe right and AI submits your application for you

Port the mechanics of fitness-ranking app LiftOff to running — built in 26 days, exited for six figures

Rebuilt the played-out affirmation app specifically for Nordics living through four-hour winter daylight, then hit a few thousand dollars a month with onboarding conversion + TikTok ads

Photograph a stamp, get an AI valuation plus its history — an ultra-narrow identifier app that siphons traffic straight from App Store search

Turn Bible GPT from a Q&A tool into emotional companionship that asks you questions back, aimed at the audience technology reaches last

A wrapper around an AI music generator that grows itself on one mechanic: share the song, not the app

Upload a screenshot of your chat with someone and AI tags their personality traits and red flags — built-in talkability and built-in urge to share

Log every little thing your girlfriend says, let AI remind you it's time for a date night or time to send flowers, and order it in one tap

Upload a PDF, lecture deck or YouTube video and it auto-generates practice questions, wrapped in a Duolingo-style growth tree that scales on retention instead of a hard paywall

Turn an audience that buys one-off PDFs into one that pays every month: clone a top subscription app's core features with Base44, bolt on a landing page + paywall + Stripe, and start selling.

A weekend-built flashcard app for one obscure professional certification exam: $31K revenue in 8 months on $140 of total costs

A first-time solo dev's brick-breaker with a Diablo-style loot twist cleared roughly £11K in its first 30 days — almost entirely from one Reddit post and organic installs.

Photograph a stock chart, get an AI read on where it's going — $56K a month from two brothers running TikTok ads 20 hours a month.

A solo dev built a digital wardrobe app for his wife; it made $8,354 in 2025 while his two other apps made $472 combined — the honest arithmetic of shipping small apps.

Under 5,000 downloads produced $65,000 — because the app wasn't a workout app, it was one specific influencer's workout app, sold to the audience that already pays her.

A 19-year-old who can't code buys sports creators at a $2-5 CPM and turns them into subscription apps — two new apps hit roughly $23K and $15K in their first 45 days on $400/day of promo spend.

A paid translation app competing head-on with free Google Translate — and clearing $50K a month by being better at the parts Google stopped caring about.

A yoga sequencing app for teachers that collected $117K on its first day by selling lifetime deals before the product was finished.

A day counter with motivational reminders reportedly pulled $200K in a single month — and the whole feature set gets rebuilt on camera from a phone, no code written

A subscription symptom-tracking app for a 7-year health transition that most women go into unprepared, in a category where the incumbent reportedly clears $10M a month

A screen-time blocker that makes you pray before Instagram opens — one gimmick feature, one religious community, $40K a month.

A sub-niche of the accounting category where several apps do one thing — photograph a receipt — and the App Store estimates put three of them at $60K, $60K and $80K a month.

A beautiful notes app built for the founder himself, run at $20K MRR by a team of four — and funded by a $1M round raised from its own customers with a promise of dividends instead of an exit

He copied a $200K/month vaping app screen by screen, swapped vaping for sugar and English for French, and hit $12K/month in five months.

A former personal trainer built a calorie tracker you talk to, posted two TikToks a day for a few weeks, and hit $1,000 MRR with no ads, no ASO, and no launch.

A dating app that changed nothing about dating apps except who it's for — and does $400K a month in the most 'saturated' category on the App Store.

A non-developer prompted ChatGPT chunk by chunk into a cross-platform meeting transcriber and reportedly took it to around $7 million in revenue, entirely solo, on rented infrastructure.

He tweeted a screenshot, put up a single HTML page with a Stripe payment link, and fulfilled the first 100-200 orders by hand overnight at $30 each — roughly $400-500K in the first month or two before any of it was automated

An AI photo studio built on the premise that you can have photography without a camera — and a single influencer post that tripled monthly revenue and never gave the gain back

Screenshot your chat with a girl, and an AI tells you what to text back — a 23-year-old who could not code shipped it by asking ChatGPT how, then spent $100 on one video and went to ₩100M a month