Reaction Time

Name: Reaction Time
Rating: 4.5116277 (208 reviews)
Author: Hackman

Hackman

★ 4.5 (208 ratings)

⬇ 50,000+ downloads

Est. actual: 53,354

Free

Released: May 6, 2016

No in-app purchases

No ads

Rated: Everyone

Signals

3 this week · 1 positive All of this week's signals →

📈Last 7 days +30 installs — 67% faster than the week before (+18) · 2/day since Oct 6
⭐Rating steady at ★ 4.51 since Oct 6
🛠Updates quiet · updated 91 days ago

Installs since launch

+68 installs · 0 ratings since Oct 6

Update history

2.3.0 Aug 13, 2026 · seen Oct 7, 2026

Update to support the latest version of Android, Android 17 (API 37).

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

Reaction Time is a tools app by Hackman with 50,000+ downloads (about 53K estimated). +30 installs in the last 7 days. Rated 4.5 from 208 ratings. Released May 6, 2016. Install growth, rank history, SDKs and ad networks.

From the store listing: “Measure your reaction time to the nearest millisecond. A novel hold-and-release system combined with trials is used. * How to use * To begin, press and hold your finger to the screen. When the screen turns green, lift your finger up as fast as you can. Complete a total of 5 trials to get a final average of your…”