Comparison

QA² vs Work Work SUN

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Read full description

■ 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!

About

Work Work SUN

Features
Read full description

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

QA²4 screens
Work Work SUN4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Work Work SUN sells 1 one-off in-app purchase. QA² asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
QA² versus Work Work SUN: the parameters behind the verdict, then further details
ParameterQA²Work Work SUN
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size180 MB95 MB
Age rating4+4+
DeveloperTISI IncorporatedAsuka Sawamura

In-app purchases

None

QA²

No in-app purchases

1 purchases

Work Work SUN

One-time1
  • 広告オフ$1.99

Questions

Is QA² free?
QA² is free to download, with no in-app purchases.
Is Work Work SUN free?
Work Work SUN is free to download, with in-app purchases available.
Do QA² or Work Work SUN have ads?
Work Work SUN shows ads; QA² does not.
Which is updated more often, QA² or Work Work SUN?
QA² ships an update every 3 weeks, and Work Work SUN every 2 months. Most recently, QA² was updated on September 25, 2026 and Work Work SUN on September 18, 2026.

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