Apps by Honghai Gu
Arithmetician app icon

Education

Arithmetician

Honghai Gu

$2.99 In-app purchases
Open on Apple

About this app

Sharpen your arithmetic with pure math puzzles. Fully customizable to match your level. Endless challenges for true math enthusiasts.

Latest release

What’s New

Version 1.3 Sep 8, 2025

Show answer. Fixed some numbers not divisible problems.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Oct 1, 2026 · 0 ratings Oct 1, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current $2.99
Historical low USD 2.99
Paid → free 0×
Price history
Current $2.99
$2.99 $1.50 Free Oct 1, 2026 · $2.99 Oct 1, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Oct 1, 2026 · 3:33 PM $2.99

Screenshots

Arithmetician iPhone screenshotArithmetician iPhone screenshotArithmetician iPhone screenshot Arithmetician iPad screenshotArithmetician iPad screenshotArithmetician iPad screenshot