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37. Building and releasing (EAS/App Store/Play Store)

Getting a build onto real devices and stores.

1 min read3 questionsup to 50 XPtopic 37/50

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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.

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
  3. 3. Answer the quiz without scrolling back — that is the real check.
  4. 4. Read every explanation, even for the answers you got right.

Scoring

  • · Up to 30 XP from quiz accuracy.
  • · +15 XP for a perfect first attempt.
  • · +5 XP while a 3-day streak is running.
  • · 75% or higher marks the topic complete.

Check your understanding

  1. 1. What does EAS Build provide?

  2. 2. What file configures EAS build profiles?

  3. 3. Why might app stores scrutinize wallet/crypto apps more?

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