Tester access
The 0.30.1 unrestricted tester build has no subscription checkout or trial cutoff.
Join through Google Play
Use the tester group and opt-in steps before installing. This page does not offer direct APK downloads.
Future paid access
Subscription code exists for a separate paid configuration, but payments are disabled in the reviewed 0.30.1 tester build. No future price or trial is promised here.
This website describes Little Steps 0.30.1 (build 40). Google Play determines the version available to your tester account.