Sharing this because it may save someone else a week.
I spent the last week recruiting testers the usual way: Discord servers, Telegram groups, tester groups like this one, a few "12 testers" apps on the Play Store, and posts in communities. All of it produced something, but none of it was efficient, and most testers install once and disappear.
Two days ago I listed my game on BetaTribe (
betatribe.app). It is free, there is no payment anywhere, and it does not ask you to add anyone else's Google Group to your Play Console, which several of the paid apps do.
What makes it different is that both sides check in daily with screenshot proof. Testers stay active because their own listing depends on it. Two testers joined my test from there and both have opened it on two consecutive days.
It is not effortless. You have to test other people's apps every day and keep your check-ins up. If you can do that, it is the most reliable thing I have found.
My referral link, in the interest of full disclosure, gives me credits and gives you 10 free:
https://betatribe.app/join?ref=nimbleknotgamesEither way, post your Google Group and opt-in links below and I will join your test today and keep opening it until you say your test is over.
Mine, if anyone wants to swap:
Logic Trio, daily logic puzzles, Android, 13 MB, no login, available in all countries.
Group:
https://groups.google.com/g/logic-trio-testersOpt in:
https://play.google.com/apps/testing/com.nimbleknot.logictrioInstall:
https://play.google.com/store/apps/details?id=com.nimbleknot.logictrio