iPSマスター vs QA²
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
iPSマスター
Experience the groundbreaking discovery of iPS cells by stepping into the shoes of a researcher. This interactive iPad app allows you to recreate the simple yet beautiful experiments that led to this Nobel Prize-winning achievement. Embark on a journey to understand and create iPS cells.
- Recreate iPS cell discovery experiments
- Interactive simulation
- Learn about iPS cell research
- Educational gameplay
- Designed for iPad
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iPS細胞はどうやって発見されたのでしょうか？ 世紀の大発見なのだからとても複雑な実験がなされたと思われるかもしれませんが、実際にはとてもシンプルで美しい実験により明らかになりました。 iPadアプリ「iPSマスター」では、あなたも山中研究室の一員となって、iPS細胞を発見した時の実験を追体験できます。 さぁ、みなさん、用意はいいですか？ iPS細胞を作り出す研究に挑戦してみましょう！
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: iPSマスター at 80% against QA²'s 50%. iPSマスター also leads on iOS requirement (8.0 vs 15.0). QA²'s advantage is update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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.
iPSマスター ships an update every 4 months, QA² every 3 weeks. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.
| Parameter | iPSマスター | QA² |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 80.0% of reviews — better | 50.0% of reviews |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 684 MB | 180 MB |
| Age rating | 4+ | 4+ |
| Developer | KYOTO UNIVERSITY | TISI Incorporated |
Customer experience
iPSマスター
QA²
In-app purchases
iPSマスター
No in-app purchases
QA²
No in-app purchases
