Math vs 公約数ガーディアン
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math
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It is a multiplication calculation study app. You can learn the basics of multiplication. After learning the basics, there is a summary test of 30 random questions at the end, so you can check if you could master multiplication. The following items can be studied with this application. ・ multiplication table for one ・ multiplication table for two ・ multiplication table for three ・ multiplication table for four ・ multiplication table for five ・ multiplication table for six ・ multiplication table for seven ・ multiplication table for eight ・ multiplication table for nine ・ Summary test (30 random questions) -A solved check mark is given by solving the problem, so you can see at a glance which part has been learned. ・ We can obtain gold medal, silver medal, bronze medal by taking high score and can confirm weak point because we can confirm score every drill. ・ If you do not understand the question, you can use the "Answer" button on the upper right of the screen to tell you the answer. ・ Use this application, please make use for learning by understanding the part that you do not understand. If there are any errors, we will correct them if you can review them.
公約数ガーディアン
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このアプリに登場する「ガーディアン」は、子どもが安心して学べるように寄り添い、 ゆっくりとした動きと優しい表情で学習の流れを導く存在です。 問題を解くたびにガーディアンが金色の後光や光の粒子で祝福し、 達成感と自己肯定感を育てるように設計されています。 アプリ全体は儀式的なテンポで進み、急かさず、落ち着いた世界観の中で 子どもが自然に集中できるように作られています。
Screenshots
Verdict
The clearest difference is ads: 公約数ガーディアン at none against Math's shown. Math's advantage is iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support 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.
| Parameter | Math | 公約数ガーディアン |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Junpei Shimotsu | Seiji Kinoshita |
In-app purchases
Math
No in-app purchases
公約数ガーディアン
No in-app purchases









