Invaders mini vs Kepler Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Invaders mini
Experience classic arcade action on your wrist with this retro-inspired shooter. Control your canon using the digital crown or touch screen, and defend against waves of increasingly challenging aliens. A free iPhone version is also included.
- Native full screen watchOS game
- Digital crown or swipe controls
- Sound effects and vibration support
- Watch complications
- Bonus points from UFOs
- Free iPhone version included
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• Stuff: "Fun, simple and surprisingly playable on a watch, bound to bring on waves of nostalgia." • Top 8: "Best Retro Games for Apple Watch" • Wareable: "If you’ve heard of and enjoyed the classic game Space Invaders then you’ll love the version on the wrist… the game is a must." 【 Features 】 • Supports Apple Watch Series 7! • Native full screen watchOS game! • Control with digital crown or swiping • Supports sound effects and vibration! • Watch complications 【 Apple Watch 】 • Use Digital Crown or swiping left/right to move and fire. • Tap screen to fire. • Aliens will get faster and deadlier! • Hit UFO for extra bonus points! 【 iPhone 】 • Comes with a free iPhone game! • Tap on screen center to shoot. • Tap on side of screen to move canon.
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 review sentiment: Kepler Attack at 81% against Invaders mini's 34%. Kepler Attack also leads on rating (4.5 vs 3.8) and ratings volume (943 vs 11). Invaders mini's advantage is update cadence (every 6 days vs every 2 months) 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
Invaders mini costs $0.99 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 3.8. That said, the two scores are not equally well evidenced: Kepler Attack has 943 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 34% of Invaders mini's written reviews are positive against 81% of Kepler Attack's.
Invaders mini ships an update every 6 days, Kepler Attack every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.
| Parameter | Invaders mini | Kepler Attack |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 3.8 (11 ratings) | 4.5 (943 ratings) — better |
| Positive reviews | 34.2% of reviews | 81.4% of reviews — better |
| Number of ratings | 11 | 943 — better |
| Update frequency | Every 6 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #85 — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Virtual GS | Red Sprite Studios |
Customer experience
Invaders mini
Kepler Attack
Bugs and requests
Invaders mini
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
Invaders mini
No in-app purchases
Kepler Attack
No in-app purchases
Questions
Is Invaders mini free?
Is Kepler Attack free?
Which has better reviews, Invaders mini or Kepler Attack?
Do Invaders mini or Kepler Attack have ads?
Which is updated more often, Invaders mini or Kepler Attack?
Other comparisons
