Astro Union vs Work Work SUN
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Astro Union
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Welcome to Astro Union: Tarot Discovery, where ancient wisdom meets premium puzzle mechanics! Embark on a celestial journey through the stars. In this mystical discovery adventure, your goal is to combine identical celestial bodies to evolve them into magnificent planets. Reach the ultimate Sun to unlock the grand library of the Universe! What makes Astro Union unique? Merge & Reveal: Combine planets to reach higher levels and unlock 78 unique, beautifully illustrated Tarot cards. Build Your Library: Complete your mystical collection by discovering every legendary card in the deck. Stunning Cosmic Visuals: Enjoy a high-quality HDR experience with vibrant aesthetics and deep space backgrounds. Strategic Mastery: Plan your moves carefully to manage the board and avoid the danger line. A Journey of Wisdom: A perfect balance of relaxing gameplay and the thrill of collecting unique pieces of art. IMPORTANT LEGAL DISCLAIMER: Astro Union: Tarot Discovery is designed strictly for entertainment purposes only. The tarot card descriptions and astrological themes do not constitute professional, legal, financial, or medical advice. The game does not provide real "fortune-telling". Play responsibly!
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: Astro Union at none against Work Work SUN's 1. On price, update cadence, ads and device support 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. Astro Union asks for nothing beyond the download.
Astro Union ships an update every 5 weeks, Work Work SUN every 2 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Astro Union | Work Work SUN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 153 MB | 95 MB |
| Age rating | 9+ | 4+ |
| Developer | ANIL TEMIZKAN | Asuka Sawamura |
In-app purchases
Astro Union
No in-app purchases
Work Work SUN
- 広告オフ$1.99









