Expo Application Services (EAS) builds native binaries in the cloud without requiring a local Xcode/Android Studio setup, producing an `.ipa`/`.aab` ready for store submission.
// eas.json
{
"build": {
"production": { "distribution": "store" }
}
}eas build --platform ios --profile production eas submit --platform ios
Version bumps, code signing, and store metadata (screenshots, privacy policy — important for wallet apps that request sensitive permissions) all need to be in order before submission, and each store's review can reject apps that reference crypto trading without proper disclosures.