This is a simple Catbook made with expo.
https://imki123.github.io/catbook/
npm run web
npm run deploy
% node version use 16 %
Go to https://docs.expo.dev/build/setup/
npm install -g eas-cli
eas login
eas build:configure
Change version, versionCode, buildNumber up in app.json
npm run build
OR
npm run build:ios
And deploy an app in APP STORE console.