TestFlight is Apple's way to hand a build to testers before release. It solves distribution. It does not find the people. This page covers what Apple allows and how to get real testers.
What Apple allows
From Apple's App Store Connect Help (retrieved 2026-10-24):
- Limit. After uploading your build, you can invite up to 10,000 external testers per app.
- Two ways to invite. You create an external group, add builds, and invite testers by email address or by sharing a public invitation link.
- Public link. You can open it to anyone or filter by criteria such as device or OS version. You can also cap how many testers join (1 to 10,000).
- Review. Builds for external testing go through TestFlight App Review. The first build of a version needs a full review; later builds for the same version might not. You can submit up to six builds for TestFlight App Review in 24 hours.
Rules change, so check the page above before you plan around a number.
Where to find iPhone testers
- People you know. Fast, but their feedback is usually polite and their phones are often alike.
- Your audience. A public link in a newsletter or community post reaches people who care.
- Other developers. They know TestFlight, install quickly and can describe a problem precisely.
- Communities and forums. Read each group's rules first and never offer rewards for store reviews.
Turn tests into findings
Testers do better with a small brief:
- Goal: what you want checked (sign-up, purchase flow, one new feature).
- Steps: three to five actions to try.
- Report format: device model, iOS version, what happened, what they expected.
- Out of scope: known bugs to skip.
Sort the replies by how many people hit the same thing, then fix those first.
With AppReviewX
AppReviewX gives you private, structured feedback from other developers. One feedback you write earns one credit, and one credit buys feedback on your app. New accounts start with 0 credits. Feedback is private and nothing is traded for store reviews or installs. Test groups are built for Android apps on Google Play, so they do not apply to TestFlight; the start page shows which options fit your iOS build.
Start with AppReviewX and describe what testers should check.
Related: Where to find beta testers: 12 channels compared, Private feedback on your app from other developers. Back to the overview.
General information, not legal advice. Apple's rules may change.