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My free cubing app needs more testing before Google Play release. Looking for Android testers.

vnsalaryman

Member
Joined
Mar 6, 2026
Messages
17
Location
Vietnam
Hi everyone,

about a month ago I posted on Reddit to look for Android testers for my free speedcubing timer and trainer app SubX. Thanks to everyone who joined!

Unfortunately, Google reviewed my app and said it needs more testing before it can be released on the Play Store.

So, I'm looking for cubers who can use SubX during their normal practice for two weeks and share your feedback.

What I'm asking for
  • Join the test
  • Use SubX for some of your normal practice sessions.
  • Let me know if you find any bugs, confusing parts, or features that are missing. You can comment here or send me a DM or contact me via the app.
What's new since my last post?
  • A new dashboard showing your expected AO100 for today, your progress toward your goal, and an estimate of how many solves you need to reach it.
  • A practice calendar showing your activity and streaks, plus your next milestones.
  • Faster loading, especially for users with a lot of solve history.
What can you do with SubX?
  • Timer: Ao5, Ao12, Ao100, +2, DNF, and random-state scrambles. Works offline and syncs when you're back online.
  • Smart cube support: Bluetooth support for GAN, MoYu and Qiyi cubes. You can review your full solve with Cross, F2L, OLL, and PLL times to see which part takes the most time.
  • Trainers: Cross and X-cross trainers with solutions shown on a 3D cube, F2L cases, all 57 OLL cases, all 21 PLL cases, and a slow-solve trainer with a metronome. Trainers work offline without signing in.
  • Progress tracking: Trend charts, solve-time distribution, and a prediction of how many solves you may need to reach your goal.
SubX is free to use with no ads.

How to join (Android only)
  1. Join the tester group: https://groups.google.com/g/subxtesters
  2. Opt in to the test: https://play.google.com/apps/testing/com.subx.mobile
  3. Install the app from Google Play: https://play.google.com/store/apps/details?id=com.subx.mobile
You need to opt in before installing the app from the Play Store link.


Thanks for your help!
 

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