日本地図ドリル Ext vs CommonDivisor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
日本地図ドリル Ext
Read full descriptionHide full description
日本地図と地図記号につて楽しく学ぶソフトです。 内容としては、都道府県の県庁所在地、人口、面積、主な特産品などです。 都道府県のジグソーパズルで、場所や形などの知識も深まるでしょう。 要所で、合成音による読み上げもあります。
CommonDivisor
Read full descriptionHide full description
A simple math game for kids who struggle with reducing fractions. Find common divisors among 9 numbers and keep dividing. The rules are easy, but the learning is deep. Players naturally understand why fractions can be simplified. • Build intuition for common divisors • Improve fraction skills through repetition • Learn by playing, not memorizing Perfect for home practice, classrooms, and family play.
Screenshots
Verdict
The clearest difference is ads: 日本地図ドリル Ext at none against CommonDivisor's shown. 日本地図ドリル Ext also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). CommonDivisor's advantage is update cadence (every 3 days vs every 7 months). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
日本地図ドリル Ext ships an update every 7 months, CommonDivisor every 3 days. The most recent releases landed on September 6, 2026 and July 19, 2026 respectively.
| Parameter | 日本地図ドリル Ext | CommonDivisor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 63 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | ryo itou | Katsuhiko Yao |
In-app purchases
日本地図ドリル Ext
No in-app purchases
CommonDivisor
No in-app purchases
Questions
Is 日本地図ドリル Ext free?
Is CommonDivisor free?
Do 日本地図ドリル Ext or CommonDivisor have ads?
Which is updated more often, 日本地図ドリル Ext or CommonDivisor?
Other comparisons
