Abacus Lesson - ADD and SUB -

Name: Abacus Lesson - ADD and SUB -
Rating: 4.77 (8559 reviews)
Author: Hirokuma.App

Hirokuma.App

★ 4.8 (8,559 ratings)

⬇ 500,000+ downloads

Est. actual: 532,254

Free

Released: Aug 6, 2020

IAP: $1.99 - $8.49 per item

Contains ads

Signals

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

📈Last 7 days +2.7K installs — 22% faster than the week before (+2.2K) · 274/day since Oct 7
🏆Among Education apps top 1% by installs gained this week (2230 peers growing)
⭐Rating steady at ★ 4.77 since Oct 7
🛠Updates quiet · updated 86 days ago

Installs since launch

+9,038 installs · +192 ratings since Oct 7

Update history

3.3.4 Aug 20, 2026 · seen Oct 20, 2026

updated library

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

Abacus Lesson - ADD and SUB - is an education app by Hirokuma.App with 500,000+ downloads (about 532K estimated). +2.7K installs in the last 7 days. Rated 4.8 from 8.6K ratings. Released Aug 6, 2020. Install growth, rank history, SDKs and ad networks.

From the store listing: “This is an app that you can learn addition and subtraction using an abacus.”