TestFlight Guide for iOS Beta Testing in 2026

TestFlight is Apple's beta distribution workflow

TestFlight lets developers distribute beta builds, manage testers, and collect feedback through App Store Connect. It is the default path most teams use before submitting an iOS app or update to App Review.

Apple supports internal testers from your App Store Connect account and external testers outside your team. External beta testing can require beta app review.

Important limits to remember

Apple's TestFlight overview says you can add up to 100 internal testers and up to 10,000 external testers. Test builds are available for testing for up to 90 days.

Those numbers are generous, but they do not create tester engagement by themselves. You still need a testing brief, clear tasks, and feedback review.

Internal testers: up to 100 App Store Connect users with access to your content
External testers: up to 10,000 people
Build availability: up to 90 days
Feedback: testers can submit through TestFlight or screenshots on supported platforms

A practical TestFlight setup

Before inviting testers, fill out beta app description, what to test, and feedback email. Then create tester groups that match your release goals: smoke test, onboarding, payments, retention, localization, or regression.

Treat TestFlight as a release workflow, not just an install link.

Screenshots

TestFlight evidence to add

Use real App Store Connect and TestFlight screenshots when available. Redact tester emails, UDIDs, app bundle IDs, and private notes before publishing.

TestFlight group screen with internal or external tester count
Build status screen showing review or testing availability
Test information screen with beta description and feedback email
Tester feedback or crash feedback view

FAQ

Questions about this topic

How many TestFlight testers can I invite?

Apple documents up to 100 internal testers and up to 10,000 external testers for TestFlight.

How long does a TestFlight build last?

Apple says you can test a build for up to 90 days.

Do external TestFlight builds need review?

External beta builds may require TestFlight beta review before they can be tested by external testers.

Sources

Official references used

TestFlight Overview (Apple Developer)
Provide test information (Apple Developer)
Invite external testers (Apple Developer)

Next pages to read

How TestMyApps worksSee how managed beta testing works across Android and iOS.iOS TestFlight guideWalk through TestFlight setup, tester groups, and feedback collection.Contact TestMyAppsAsk about real iOS testers, Android testers, and launch support.