After 6 years of building apps with Flutter, I finally released my first React Native + Expo app! Subscribe my app development news letter! WODCamera for CrossFit & HYROX ■Chapters 00:00 Intro & background 00:07 First RN + Expo app: WODCamera for CrossFit/HYROX 00:22 Why I tried React Native + Expo after 6 years of Flutter 00:33 React Native DX curiosity vs Flutter 00:45 Vibe coding approach (AI-led development) 00:50 Tools I used: Kiro for spec → Claude Code for implementation 01:04 Timeline: started July → serious from Sep 21 → released Oct 17 (~3 weeks) 01:31 Expo Go = game-changer (real device debug, no local Xcode) 01:44 Expo handles signing (Android bundle, etc.) 02:24 Learning Expo post-release (docs & tutorials) 02:40 RN with Expo feels more approachable now 02:49 My old RN attempt (7–8 years ago) vs today 03:10 Why this round was a great experience 03:14 Flutter vs RN: manual coding feel vs AI workflows 03:37 Expo’s components/templates & routing patterns help focus 03:55 Which should you use? (nuanced take) 04:28 Vibe coding pace: ~2 hrs/day, $20/mo plan limits, ~3 weeks total 04:59 AI-first dev impact for indie makers 05:13 Wrap-up of tools and approach 05:20 Where RN+Expo felt better (debugging, AI compatibility) 05:35 We’re already in the AI-coding era 05:49 Recommendation: RN + Expo exceeded expectations 05:55 What’s next: dance video-editing app with RN+Expo + deeper coding 06:18 ASO & marketing plans (Instagram), aiming for profit 06:37 January 2026 app dev community plan (AI + manual coding + ASO) 07:12 Focus & next steps before opening the community 07:26 Closing & CTA (subscribe) ■LinkedIn ■X ■Instagram ■Flutter Daigaku (for Japanese now) ■Japanese channels @kboy @kboy1031 @flutteruniv