Kepler Attack vs Alien Breakout
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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
Alien Breakout
Defend against alien invaders by sliding your shield. This classic arcade experience offers a unique twist with aliens firing back. Play on your Apple Watch, iPhone, or iPad.
- Slide shield to battle aliens
- Aliens fire back
- Control with digital crown or touch
- Toggle sound on/off
- Retro mode available
- Apple Watch, iPhone, and iPad support
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Alien Breakout - A familiar classic with a twist! Battle against aliens by sliding the shield. The aliens will fire back! Available on Apple Watch, iPhone and iPad. Control the shield with digital crown or touch screen. 3 types of powerup and difficulty levels. INSTALLATION • Once downloaded to your iPhone, game icon will automatically appear on your Apple Watch's home screen. Tap and enjoy! • If you do not see the icon after waiting for a while, open the Apple Watch companion app on your iPhone, and scroll down through the My Watch section to check for the game icon, make sure “Show App on Apple Watch” is toggled on.
Screenshots
Verdict
The clearest difference is rating: Kepler Attack at 4.5 against Alien Breakout's 4.0. Kepler Attack also leads on review sentiment (81% vs 50%) and ratings volume (942 vs 2). Alien Breakout's advantage is update cadence (every 10 days vs every 6 weeks) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model 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
Kepler Attack costs $1.99 and Alien Breakout $0.99 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 4.0. That said, the two scores are not equally well evidenced: Kepler Attack has 942 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Kepler Attack's written reviews are positive against 50% of Alien Breakout's.
Kepler Attack ships an update every 6 weeks, Alien Breakout every 10 days. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Kepler Attack | Alien Breakout |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | 4.5 (942 ratings) — better | 4.0 (2 ratings) |
| Positive reviews | 81.4% of reviews — better | 50.0% of reviews |
| Number of ratings | 942 — better | 2 |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #38 — better | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 12.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 31 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Red Sprite Studios | Virtual GS |
Customer experience
Kepler Attack
Alien Breakout
Bugs and 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
Alien Breakout
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kepler Attack
No in-app purchases
Alien Breakout
No in-app purchases
Questions
Is Kepler Attack free?
Is Alien Breakout free?
Which has better reviews, Kepler Attack or Alien Breakout?
Do Kepler Attack or Alien Breakout have ads?
Which is updated more often, Kepler Attack or Alien Breakout?
Other comparisons
