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TestFlight

TestFlight is Apple’s official platform for beta testing iOS apps. It lets you share your app with testers before releasing publicly on the App Store.

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What is TestFlight?

TestFlight is a free app from Apple that allows:
  • You to upload beta versions of your app
  • Testers to install and test on their devices
  • Feedback to flow back to you before public launch

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Why Use TestFlight?

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Find Bugs Early

Real users on real devices catch issues you might miss:
  • Device-specific bugs
  • Edge cases in user flow
  • Performance issues
  • Usability problems

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Validate Your App

Before spending time on App Store submission:
  • Confirm core features work
  • Get user feedback on design
  • Refine the experience

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Build Excitement

Beta testers become your first fans:
  • They feel invested in the app
  • They’ll leave early reviews
  • They spread word of mouth

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How It Works

1

Upload your build

Nativeline uploads your app to App Store Connect
2

Invite testers

Add tester emails or share a public link
3

Testers install

They download TestFlight app, then install your app
4

Collect feedback

Testers use the app and send feedback
5

Iterate

Fix issues, upload new builds, repeat

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Tester Types

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Internal Testers

Best for: Your own devices, team members, close collaborators

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External Testers

Best for: Wider beta testing, user feedback

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TestFlight Limits

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What Testers See

When testers install via TestFlight:
  1. App appears on home screen — with a small orange dot indicator
  2. Full app functionality — works just like the real app
  3. Feedback option — can take screenshots and send feedback
  4. Automatic updates — new builds install automatically

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Build Expiration

TestFlight builds expire after 90 days. Testers must update to a newer build to continue testing.
Plan to upload new builds regularly to keep testers active.

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TestFlight vs App Store

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Requirements

To use TestFlight, you need:
  • ✅ Apple Developer Program membership ($99/year)
  • ✅ App uploaded to App Store Connect
  • ✅ Valid code signing certificates
  • ✅ Testers with iOS devices and TestFlight app

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Getting Started

Setup Guide

First-time configuration

Upload Builds

Get your app to TestFlight

Invite Testers

Add and manage testers

Troubleshooting

Fix common issues