Prime Number Judgment

Name: Prime Number Judgment
Author: Hirotaka Takayama

Hirotaka Takayama

⬇ 1,000+ downloads

Est. actual: 1,190

Free

Released: May 16, 2023

No in-app purchases

Contains ads

Signals

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

📈Last 7 days +16 installs — 14% faster than the week before (+14) · 2/day since Oct 9
🏆Among Tools apps top 27% by installs gained this week (556 peers growing)
🛠Updates quiet · updated 41 days ago

Installs since launch

+55 installs since Oct 9

Update history

1.6.2 Oct 4, 2026 · seen Oct 16, 2026

- Now compatible with Android 17.<br>- Below Android 7.0 devices are no longer supported due to requirements related to the support of newer APIs.

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

Prime Number Judgment is a tools app by Hirotaka Takayama with 1,000+ downloads (about 1.2K estimated). +16 installs in the last 7 days. Released May 16, 2023. Install growth, rank history, SDKs and ad networks.

From the store listing: “Check primes, find neighboring primes, and search primes from specified date”