#1 Google Play Closed Testing Platform

Bypass Google Play
12 Tester & 14 Days Barrier

Fulfill Google Play Console's mandatory 20 testers for 14 continuous days requirement effortlessly. Powered by a verified real-device network, automated streak tracking, and structured bug telemetry.

100% Real Devices
14-Day Streak Lock
Production Guaranteed
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12 Testers Active

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Verified Real Testers Opted-In

14-Day Engagement Streak

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Ready for Google Play Production Submission!
0 Bots / Real Android Phones
100% Approval Rate

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Apps Approved on Google Play

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Active Real-Device Testers

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Guaranteed Streak Retention

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Review Pass Rate

Engineered Specifically For Play Console Compliance

Google rejects closed tests that rely on emulators, dead opt-ins, or uninstalled apps. 12 Tester ensures authentic continuous engagement.

20+ Verified Real Testers

Connect with active human testers with verified Google accounts and unique physical Android smartphones worldwide.

Automated 14-Day Streak Lock

Daily opt-in verification and push notifications guarantee testers keep your app installed and open it every single day.

Structured Feedback & Telemetry

Collect constructive feedback, crash reports, and UX ratings required to answer Google's 20-tester review questionnaire.

Peer-to-Peer Tester Exchange

Community testing pool allows indie developers to test each other’s apps and earn 100% free tester allocations.

Review Submission Guidance

Get proven sample responses and documentation templates to pass Google’s final production questionnaire with zero hassle.

Official Play Console Safety

We work exclusively through official Google Play web opt-in links and Google Groups. Zero APK risk, zero policy violations.

How 12 Tester Gets You Production Access

From closed testing rollout to full Play Store production release in under two weeks.

01

Submit Opt-in Link

Add your Google Group or Play Store closed test link directly inside the 12 Tester app.

02

20 Testers Opt In

Verified testers on physical devices download and install your app within 24 hours.

03

14-Day Streak Retention

Our automated streak monitor ensures daily tester activity and logs real engagement metrics.

04

Production Release

Apply for production access in Google Play Console with confidence and pass review on first try.

Our Clients & Enterprise Partners

Leading technology enterprises, indie developers, and mobile studios rely on CoderStudio developer solutions.

IBM Client
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TCS Client
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Everything You Need To Know About 12 Tester

Direct answers to the most common Google Play Console closed testing questions.

Why does Google Play require 20 testers for 14 days?
In late 2023, Google introduced a policy for all new personal developer accounts requiring at least 20 testers to be opted in to a closed test for at least 14 days continuously. This requirement is intended to ensure developers test their apps for bugs, crashes, and UX before applying for production release.
Can I get banned or rejected for using 12 Tester?
No. 12 Tester operates strictly in compliance with Google Play Developer Policies. We never use emulators or automated bots; all participants are genuine human users who install your application via your official Google Play opt-in URL or Google Group invitation.
What happens if a tester uninstalls during the 14 days?
Our platform maintains automated daily streak tracking. In the rare event that a tester drops out, our automated reserve pool immediately adds replacement testers to keep your count comfortably above the 20-tester threshold so your streak never resets.
How do I answer Google's production review questions?
After the 14-day test, Google asks questions regarding what feedback you received, what changes you made, and how you engaged with testers. 12 Tester provides an exported log of real tester feedback, bug reports, and device models that you can directly reference in your application.
How do I download the 12 Tester app?
The app is available directly on the Google Play Store under package ID com.coderstudio.knockzy. You can download and create your first testing campaign in minutes.

Pass Google Closed Testing On Your First Try

Join over 1,500+ Android developers who launched their apps successfully on Google Play with 12 Tester.