Sandbox Testing

Troubleshooting
Resolved

Hi everyone,

I’m stuck on an issue while testing In-App Purchases (IAP) in my FlutterFlow-built iOS app using RevenueCat, and I’d really appreciate some guidance. FlutterFlow support has been silent for 7 days on my ticket, so I’m turning to the community.

Issue:

  • App launches fine on a physical iPhone, but RevenueCat actions don't initiate IAP's, and Xcode’s debug panel shows: Could not create a sandbox extension for '/var/containers/Bundle/Application/[UUID]/Runner.app'.

  • RevenueCat fetches offerings successfully (e.g., GET /v1/subscribers/[ID], HTTP 304), but the purchase action fails with no additional errors.

  • Bundle ID, provisioning profile, and IAP capability are confirmed correct.

What I’ve Tried:

  • Re-added Sandbox account, cleaned builds, reset device privacy, updated Flutter, checked CODE_SIGN_ENTITLEMENTS in Xcode.

  • Contacted FlutterFlow support (no reply in 7 days) and verified RevenueCat setup.

Questions:

  • Has anyone encountered this sandbox extension error with FlutterFlow and IAP? Any fixes or workarounds?

  • Could this be a FlutterFlow build issue? Any suggestions for debugging?

  • Should I escalate this differently since support is unresponsive?

Any help or pointers would be a lifesaver—thanks in advance!

Best,
Bilal

What have you tried so far?
  • Re-added Sandbox account, cleaned builds, reset device privacy, updated Flutter, checked CODE_SIGN_ENTITLEMENTS in Xcode.

  • Contacted FlutterFlow support (no reply in 7 days) and verified RevenueCat setup.

Did you check FlutterFlow's Documentation for this topic?
Yes
2
3 replies