Add Up 10. vs 補数チャレンジ！
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Add Up 10.
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Arithmetic for the first step. You can learn to add and subtract easily and become familiar with numbers. Let's learn how to make 10 using two numbers. Add 1 to 9 is 10, 2 to 8 is 10, 3 to 7 is 10... The answer is always single-digit figure. Beat the Robo by answering the questions.
補数チャレンジ！
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特徴： 楽しみながら学習： ゲーム感覚で補数を学び、算数の基礎を身につける。 段階的な難易度： 初心者から上級者まで、全てのレベルに対応した課題を用意。 即時フィードバック： 解答の正誤に応じた即時フィードバックで、理解を深める。 保護者向け追跡機能： 子どもの進捗状況を追跡し、学習のサポートを行う。 全年齢対応： 6歳から12歳の子どもたちが楽しく学べる内容。
Screenshots
Verdict
The clearest difference is device support: Add Up 10. at 3 against 補数チャレンジ！'s —. Add Up 10. also leads on iOS requirement (15.0 vs 17.2). 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.
| Parameter | Add Up 10. | 補数チャレンジ！ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | — |
| Ads | Yes | — |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 58 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | MASAHIRO MIZUTANI | Kazuhiko Maruyama |
In-app purchases
Add Up 10.
No in-app purchases
補数チャレンジ！
No in-app purchases
