CompareOpen in App Store
★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in New Zealand, updated 5 Nov 2026
Top free
Not in this chart today
Top paid · All apps and games
#69 New
| Date | Paid |
|---|---|
| 5 Nov 2026 | #69 |
| 21 Oct 2026 | — |
| 17 Oct 2026 | — |
| 14 Oct 2026 | #77 |
Best rank in each country today. Click a country to see its graph.
Now available in Spanish, Portuguese, German, French, Dutch, Japanese, Chinese (Simplified) and Arabic. The app follows your device language. You can also pick a language for this app in your phone's settings. Arabic right-to-left layout, and CSV exports always use Western digits, whatever the device language. Happy researching!
Vigilance Buddy by Research Buddies This application is based on the ‘psychomotor vigilance task (PVT)’ which measures the speed of which users respond to the given visual stimulus. Edit the number of rounds per test, maximum time between tap and start of the timer and much more. Collect & Send the results directly to your personal email address. With our focus on usability the application can be used easily by anyone. Because of this it doesn’t matter if your subjects are digital natives or people with zero to none tablet experience. Happy researching!