TapZero: Reaction Time Trainer icon

TapZero: Reaction Time Trainer

DDJ A1

⬇ 10+ downloads

Est. actual: 12

Free

Released: Sep 3, 2026

No in-app purchases

Contains ads

Signals

3 this week · 2 positive All of this week's signals →

📈Last 7 days +1 installs — 0% faster than the week before (+1) · 0/day since Oct 7
🏆Among Tools apps bottom 0% by installs gained this week (1137 peers growing)
🛠Updates quiet · updated 69 days ago

Installs since launch

+5 installs since Oct 7

Update history

1.0.0 Sep 3, 2026 · seen Oct 17, 2026

First release.<br><br>- Reaction time training with grades and history<br>- Drills for seat picking, course registration and captcha typing<br>- Countdown timer with color, sound and vibration cues<br>- Home screen widget and D-day reminders<br>- Works fully offline<br>

Only the current version so far — new entries appear as the app ships updates.

TapZero: Reaction Time Trainer is a tools app by DDJ A1 with 10+ downloads (about 12 estimated). +1 installs in the last 7 days. Released Sep 3, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Hit zero on ticket day. Reaction drills, millisecond countdown, offline.”