QA² vs Work Work SUN
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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!
Work Work SUN
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Merge planets and create the Sun! Launch small planets and watch them drift and float through space. When two identical planets collide, they merge into a bigger one! Keep merging — from Mercury to Venus to Earth — and aim for the ultimate star: the Sun. And when two Suns collide… a Black Hole is born! 【How to Play】 Tap the screen to launch a planet. Skillfully collide matching planets to merge them. Game over if planets stack up to the launch line! 【Features】 ・Simple one-tap controls — fun for kids and adults alike! ・Control planets that float with realistic physics ・9 planets from Mercury to the Sun — learn the solar system while you play! ・Merge two Suns to unleash a Black Hole — the ultimate achievement! ・Gravity reverses 15 seconds after launch — planets start stacking upward for unpredictable twists! ・Challenge your high score and climb the rankings ・Title system to track your progress ・Immersive BGM and sound effects A family-friendly puzzle game where you nurture planets at the edge of the universe — easy to learn, hard to put down.
Screenshots
Verdict
The clearest difference is in-app purchases: QA² at none against Work Work SUN's 1. QA² also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement 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. Work Work SUN sells 1 one-off in-app purchase. QA² asks for nothing beyond the download.
QA² ships an update every 3 weeks, Work Work SUN every 2 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.
| Parameter | QA² | Work Work SUN |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 180 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | TISI Incorporated | Asuka Sawamura |
In-app purchases
QA²
No in-app purchases
Work Work SUN
- 広告オフ$1.99









