9 of 406 ideas

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

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

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

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

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.

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.

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