I rewrote my social, score-tracking app for Pinball in react-native. Previously it was in Angularjs (ionic/cordova). Has ~6k registered users, ~300 daily active users, and earns ~$200 a month on Patreon.
Android: https://play.google.com/store/apps/details?id=com.ascrewaske...
iOS: https://apps.apple.com/us/app/pindigo-social-pinball-scores/...
Patreon: https://www.patreon.com/pindigo