計算の達人 vs QA²
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
計算の達人
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「計算の達人」は計算式補完ゲームです。毎ゲームは20問があります。 脳鍛錬最適ゲームです。 オンラインの場合は、トーナメント参加することができます。参加者一覧表示のために、簡単なユーザー登録が必要です。 採点ルール： ＊一般プレーモード 1.0秒内で一問 +3P 2.5秒内で一問 +2P 4.0秒内で一問 +1P ＊トーナメントモード（オンライン） 第1位：+200P 第2位：+120P 第3位：+80P 第4/5位：+50P 第6/7/8/9位：+30P 第10位：+20P ＊総合採点 新記録： +20P 時間ボーナスC(例55:12)：+10P 時間ボーナスB(例55:33)：+20P 時間ボーナスA(例55:55)：+80P
QA²
Engage in a unique puzzle game set in the quantum world. Swipe and match colorful blocks to create satisfying chain reactions and master various game modes. Challenge AI opponents and compete on global leaderboards.
- Quantum-themed puzzle gameplay
- Satisfying chain reaction system
- Multiple game modes (Rush, Depth, Flow, Overload)
- VS AI mode with challenging opponents
- Global leaderboards for competitive play
- Brain training mechanics
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■ Welcome to the Quantum World QA2 is a fresh new puzzle game themed around quantum computing. Swipe and match colorful blocks to trigger massive chain reactions! ■ Satisfying Chain System Match blocks to trigger chain reactions. The satisfaction of watching blocks disappear one after another is truly addictive! Use timing and strategy to pull off huge combos. ■ Multiple Game Modes 【Rush Mode】 Race against the clock for the highest score! 【Depth Mode】 How deep can you go? Challenge yourself! 【Flow Mode】 Relax and play at your own pace. 【Overload Mode】 Push your limits! A challenge for advanced players. ■ Battle AI Anytime Featuring VS AI mode with powerful AI opponents. Enjoy intense battles even when playing solo. ■ Compete on Global Leaderboards Compete with players from around the world. Aim for the #1 spot in the global rankings! ■ Perfect For • Puzzle game enthusiasts • Players who love the thrill of chain reactions • Those looking to train their brain • Anyone curious about quantum computing • People seeking a quick gaming session Dive into the world of quantum puzzles!
Screenshots
Verdict
The clearest difference is review sentiment: QA² at 50% against 計算の達人's 33%. 計算の達人's advantage is iOS requirement (8.0 vs 15.0). 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.
計算の達人 ships an update every 11 days, QA² every 3 weeks. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.
| Parameter | 計算の達人 | QA² |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | 50.0% of reviews — better |
| Update frequency | Every 11 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 180 MB |
| Age rating | 4+ | 4+ |
| Developer | kitamura hira | TISI Incorporated |
Customer experience
計算の達人
QA²
In-app purchases
計算の達人
No in-app purchases
QA²
No in-app purchases
