| Cost | Roughly $15 to $30 for 12 to 25 testers, as services advertise. Check current prices. | Free | Free, except your time | Free swap with $15.00 starter credit; paid seats are coming |
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| Your effort | Little: you pay and wait | Install and use many apps | Find, nudge and thank twelve people | About 5.5 minutes a day and a few notes a week |
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| What keeps testers in | The service’s own process and refund terms | Usually goodwill and credit that is easy to re-earn | Personal relationships | A $15.00 stake lost on leaving, $1 per missed day |
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| Evidence for Google | Varies: ask what the report contains | Usually none | Whatever you collect yourself | Report of tester numbers, daily use, feedback and your updates |
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| Real feedback on your app | Varies | Sometimes | Often the best | A rated note per tester per week, owner-readable |
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| Guarantee | Often a refund promise: read what it covers | None | None | None on the swap. A refund for the paid seat is planned, not live |
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| Main risk | Google may weigh paid testing differently; unverified here | Testers vanish and the clock restarts | Hard to find twelve who stay fourteen days | Not open yet, Android only, a cohort has to fill, and you lose your stake if you leave |
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