Defog is an iOS app that helps people with persistent brain fog figure out what's behind it. Users do a quick daily check-in (sleep, meals, caffeine, stress, screen time, exercise, hydration, supplements), the app detects patterns, suggests small experiments, and delivers a Weekly and Monthly Insight Report. Native SwiftUI, RevenueCat subscriptions (yearly with 7-day trial, quarterly, monthly), hard paywall, custom brand identity.

Hue is a color identifier and picker app for iPhone and iPad. Built for ASO and keywoard search.

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

Your migraine diary, without the daily burden. Confirm each day in seconds, uncover possible patterns, and prepare a clear 28-day record for your next appointment.

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.