Space War GS vs Kepler Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Space War GS
Engage in a retro-style space arcade battle across multiple stages. Destroy waves of attacking aliens with innovative touch controls or an iCade controller. Experience fast-paced action and excellent soundtracks on your iPhone, iPad, or Apple Watch.
- Retro-style space game
- Supports Apple Watch Series 7
- Multiple stages of gameplay
- Innovative touch screen control
- Supports iCade controller
- Fast alien formations and attacks
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Space War GS is the space arcade game for iPhone, iPad and Apple Watch! Fly through the space and destroy waves of attacking aliens! Be prepared for the final battle! • retro-style space game for iPhone, iPad and Apple Watch! • multiple stages of continuous game play! • innovative touch screen control • supports iCade controller • fast full screen alien formations and attacks! • excellent soundtracks from Apple IIGS legend FTA! •• Reviews •• "Fun game! Give it a try, everyone." - No Quarter Podcast "This game is simply fantastic." - BriefMobile "I miss Galaxian. This has great graphics and action. I even play it with a stylus." - app review "My husband love this game - He really like this game, hew said is similar to a game he used to play when he was 10." - app review "Amazing app! I love it! You have to download this! Very fun and smooth!" - app review •• Special Thanks! •• • Olivier Goguel of FTA and Hameed for background image
Kepler Attack
Engage in a retro arcade space shooter experience on your iPhone and Apple Watch. Destroy waves of alien invaders with power-ups and intuitive controls. Enjoy fast-paced gameplay perfect for short bursts of fun.
- Space shooter gameplay
- Alien invasion waves
- Power-ups (Shield, Triple Shot, etc.)
- Apple Watch Crown controls
- iPhone swipe controls
- Retro arcade graphics
- Short burst gameplay
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Featured in Apple's "Great on watchOS 6" and "Our Favourite Apple Watch Apps" collections! #2 Casual Game in the US! Kepler Attack is an arcade game for your iPhone and Apple Watch. Fly through space and destroy waves of alien space invaders from Kepler-452b. “I’m just amazed that this is on my Watch.” - Tom, host of The Apple WatchCast Podcast - http://www.applewatchcast.com “I think this is actually my personal favorite new game now on the Apple Watch because of its really fast pacing which is perfect for these types of games.” - HotshotTek, 10 Awesome Apple Watch Games Apps of 2019 • Inspired by Gyruss, Galaga, Galaxian and Space Invaders! • Beautiful retro arcade graphics! • Fast paced alien attack waves with a variety of enemy space invaders! • Power-ups include Shield, Triple Shot, Rapid Fire and Smart Bomb! • Intuitive and simple controls using the Crown on the Watch! • Swipe to move on the iPhone! • Short burst gameplay is perfect for the Watch and iPhone! • Retro sound effects on the iPhone! • Play anywhere, anytime! • Includes Valentine's Day and Santa Christmas Holiday theme! • Runs at 60fps on the Watch! Relive the glory days of the arcade on your Apple Watch and iPhone. Thanks for playing Johnno & Pete
Screenshots
Verdict
The clearest difference is rating: Kepler Attack at 4.5 against Space War GS's 3.3. Kepler Attack also leads on review sentiment (81% vs 54%) and ratings volume (943 vs 52). Space War GS's advantage is update cadence (every 2 weeks vs every 2 months). 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
Space War GS costs $1.99 and Kepler Attack $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Kepler Attack holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Kepler Attack has 943 ratings behind it against 52, so its average is the more settled of the two. Written reviews point the same way: 54% of Space War GS's written reviews are positive against 81% of Kepler Attack's.
Space War GS ships an update every 2 weeks, Kepler Attack every 2 months. Both last shipped on October 21, 2026.
| Parameter | Space War GS | Kepler Attack |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 3.3 (52 ratings) | 4.5 (943 ratings) — better |
| Positive reviews | 53.8% of reviews | 81.4% of reviews — better |
| Number of ratings | 52 | 943 — better |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #67 — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Virtual GS | Red Sprite Studios |
Customer experience
Space War GS
Kepler Attack
Bugs and requests
Space War GS
Not enough reviews yet to summarise bugs or requests.
Kepler Attack
Reported bugs
5 issues- Game doesn't play complete rip off
- Just says on the watch version that it has to be installed on my iPhone for it to work. It's installed on my iPhone. Doesn't work.
- This seems like a good game but I don't see it on my watch.
- I have the first version watch Apple one, and it does not work on the watch,And has offered me a refund, I appreciate it.
- It won't download on my watch
Requested features
2 requests- Add a golden starship IF
- Please add upgrades so we can have bettr ships
In-app purchases
Space War GS
No in-app purchases
Kepler Attack
No in-app purchases
