Whac-A-Mole PVT-B Sleep Test

Name: Whac-A-Mole PVT-B Sleep Test
Author: Sagiri HCI Lab

Sagiri HCI Lab

⬇ 1,000+ downloads

Est. actual: 1,892

Free

Released: May 24, 2022

No in-app purchases

No ads

Signals

3 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +5 installs — 55% slower than the week before (+11) · 1/day since Oct 9
🏆Among Health & Fitness apps top 31% by installs gained this week (361 peers growing)
🛠Updates dormant · updated 481 days ago

Installs since launch

+30 installs since Oct 9

Update history

1.0.0 Jul 18, 2025 · seen Oct 18, 2026

API level update

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

Whac-A-Mole PVT-B Sleep Test is a health & fitness app by Sagiri HCI Lab with 1,000+ downloads (about 1.9K estimated). +5 installs in the last 7 days. Released May 24, 2022. Install growth, rank history, SDKs and ad networks.

From the store listing: “A Brief Psychomotor Vigilance Test (PVT-B) game that measures your sleep debt.”