Android app that automatically forwards incoming SMS to email or POSTs them to a URL; sold on Flippa in December 2020 at ~$700 MRR (~500 subscribers) via escrow.
Language learning app for commuters
iOS app and Telegram bot that turns your saved read-later links into a custom weekly newsletter.
Bootstrapped indie studio that built AI-powered beauty and effects mobile apps, growing via App Store Optimization (ASO) and organic installs before exiting on Acquire.com.