かんたん計算脳トレ vs あいつはドコだ？
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
かんたん計算脳トレ
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数字パズルを解いて、迫り来る敵をブッ飛ばせ！ あなたの頭は固くなっていませんか？ シンプルなパズルゲームで脳年齢をチェックしましょう！ 操作方法はとっても簡単！ 問題の正解を見つけてタップするだけ！ 遊べば遊ぶほど脳が活性化されます。 あなたの脳は何歳ですか？？
あいつはドコだ？
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あいつはどこだー！？ 超かんたんな暇つぶしゲームです！ 遊び方はとっても簡単 お題にマッチする人物をみつけてタップするだけ！ 究極の暇つぶしゲームを エンジョイプレイ！
Screenshots
Verdict
The clearest difference is iOS requirement: かんたん計算脳トレ at 11.0 against あいつはドコだ？'s 14.0. On price, update cadence, ads 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.
かんたん計算脳トレ ships an update every 6 weeks, あいつはドコだ？ every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | かんたん計算脳トレ | あいつはドコだ？ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 119 MB | 124 MB |
| Age rating | 4+ | 17+ |
| Developer | ZERONE | FUKUROU |
In-app purchases
かんたん計算脳トレ
No in-app purchases
あいつはドコだ？
No in-app purchases
