Backlink Checker is a link monitoring tool that monitors your backlinks & informs you if your backlinks are removed. We charge users in subscription plans or lifetime access to monitor their backlinks.

Volume Booster helps you make quiet videos and audio files louder directly on your iPhone or iPad. | About 3,000 downloads a month from App Store search. We have never spent money on ads. | No servers, no backend and no monthly costs. Everything runs on the device. | Fully localized in 32 languages, with prices set per country. | Downloads come from App Store search ORGANIC. No ads

iOS virtual try-on app, Lifestyle category, 4.7 stars from 195 US ratings. The user uploads a photo of themselves and a garment, and gets a realistic try-on back in 15-30 seconds. SwiftUI front end, Firebase back end (Auth, Firestore, Storage, Cloud Functions). Generation runs on Grok Imagine with an automatic Fashn fallback, so no single provider can take the app down. Monetized with a $6.99 weekly subscription through Superwall paywalls and StoreKit. No servers to babysit, no ad spend.