足算 vs 写真でドン!!!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
足算
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足の数は全部で何本？ 簡単な足し算パズルで頭のたいそう！ あなたの脳年齢を診断します。 遊び方はとても簡単。 人間と動物たちの足の合計の数を選んでタップするだけ！ 遊べば遊ぶほど脳が活性化されます。
写真でドン!!!
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写真にうつっているのはナンジャラホイ？ 簡単なクイズゲームで直感力と判断力を鍛えましょう！ 遊び方はとっても簡単！ 写真にうつっているものを見極めて、お題に合ったものをタップするだけ！ 誰でも気軽に遊べます！ よーいドン！
Screenshots
Verdict
The clearest difference is update cadence: 写真でドン!!! at every 3 months against 足算's every 8 months. 足算's advantage is iOS requirement (11.0 vs 16.0). On price, ads, 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.
足算 ships an update every 8 months, 写真でドン!!! every 3 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.
| Parameter | 足算 | 写真でドン!!! |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 141 MB | 124 MB |
| Age rating | 4+ | 17+ |
| Developer | ZERONE | FUKUROU |
In-app purchases
足算
No in-app purchases
写真でドン!!!
No in-app purchases
