Number System Reference icon

Number System Reference

VD

★ 4.0 (121 ratings)

⬇ 10,000+ downloads

Est. actual: 15,032

Free

Released: Feb 21, 2014

No in-app purchases

Contains ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days 0 installs · 0/day since Oct 9
🏆Among Books & Reference apps bottom 0% by installs gained this week (364 peers growing)
⭐Rating steady at ★ 4.00 since Oct 9
🛠Updates dormant · updated 2639 days ago

Installs since launch

+1 installs · 0 ratings since Oct 9

Update history

3.0.2 Aug 21, 2019 · seen Oct 15, 2026

App Optimizations

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

Number System Reference is a books & reference app by VD with 10,000+ downloads (about 15K estimated). Rated 4.0 from 121 ratings. Released Feb 21, 2014. Install growth, rank history, SDKs and ad networks.

From the store listing: “Complete guide to Number System with all the tips and tricks”