UNION ARENA Tutorial App vs Computer Space Remade
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UNION ARENA Tutorial App
Learn the rules and strategies of a new trading card game. This app offers tutorial modes to grasp basic gameplay and free battle modes to practice with different decks. Experience the excitement of the game with guided learning.
- Learn basic rules
- Tutorial Mode
- Free Battle Mode
- Practice with decks
- Experience trading card game
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Let’s learn how to play UNION ARENA! A tutorial app that lets you experience the brand-new trading card game " UNION ARENA" is now available! •Learn how to play UNION ARENA English version! First use the "Tutorial Mode" to learn and get used to the basic rules of the game, and then start playing freely in the "Free Battle Mode"! You can use the HUNTER×HUNTER deck to learn the rules and enjoy battling! In "Free Battle Mode",You can use the BLEACH: Thousand-Year Blood War, JUJUTSU KAISEN, CODE GEASS: Lelouch of the Rebellion, and SOLO LEVELING decks as well. Experience the excitement of Union Arena with the Tutorial App!
Computer Space Remade
Experience the original arcade space shooter, reimagined for modern devices. Pilot your ship through escalating enemy waves, collect power-ups, and compete on global leaderboards. Features weekly challenges and authentic retro sound design.
- Inertia-based ship controls
- Escalating enemy waves
- Save astronauts for power-ups
- Hyperspace emergency escape
- Weekly Challenge Waves
- Global leaderboards
- Synthesized arcade sound design
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COMPUTER SPACE REMADE — the world's first commercial arcade game, reimagined for iPhone and iPad. Guide your vector wireframe ship against waves of enemy flying saucers. Survive as long as you can. Climb the global leaderboard. FEATURES *New Feature* -- Weekly Challenge Waves, available to players who complete wave 10 · Inertia-based ship controls faithful to the 1971 original · Escalating enemy waves with elite saucers · Save astronauts to obtain ship power-ups · Hyperspace emergency escape — tap with two fingers · Achievement-driven power-ups · Global leaderboards · Fully synthesised arcade sound design · Non-intrusive ads between games and only after completing the 3rd wave The game that started it all. Can you beat the machine?
Screenshots
Verdict
The clearest difference is rating: Computer Space Remade at 5.0 against UNION ARENA Tutorial App's 4.4. Computer Space Remade also leads on update cadence (every 2 weeks vs every 3 months) and review sentiment (100% vs 91%). UNION ARENA Tutorial App's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Computer Space Remade sells 1 one-off in-app purchase. UNION ARENA Tutorial App asks for nothing beyond the download.
Computer Space Remade holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: UNION ARENA Tutorial App has 32 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of UNION ARENA Tutorial App's written reviews are positive against 100% of Computer Space Remade's.
UNION ARENA Tutorial App ships an update every 3 months, Computer Space Remade every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | UNION ARENA Tutorial App | Computer Space Remade |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (32 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 90.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 32 — better | 2 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 216 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | BANDAI Co., Ltd. | Catenary Technology LLC |
Customer experience
UNION ARENA Tutorial App
Computer Space Remade
In-app purchases
UNION ARENA Tutorial App
No in-app purchases
Computer Space Remade
- Remove Advertising Between Games$2.99
Questions
Is UNION ARENA Tutorial App free?
Is Computer Space Remade free?
Which has better reviews, UNION ARENA Tutorial App or Computer Space Remade?
Do UNION ARENA Tutorial App or Computer Space Remade have ads?
Which is updated more often, UNION ARENA Tutorial App or Computer Space Remade?
Other comparisons
