Comparison

Kepler Attack vs Star Duster

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

Star Duster

Experience a retro-inspired arcade challenge that harks back to the 80s. Control your character through unique gameplay mechanics, including physical head movements via push-ups, and enjoy an immersive soundscape. Compete for high scores across two distinct game modes.

Highlights
  • Two distinct game modes
  • High score lists
  • Head control via push-ups (iOS)
  • Retro 80s aesthetic
  • Immersive soundscape
Features
Currently charting
Read full description

***** "A rare Apple Watch game that's actually worth playing" - iMore ***** "A game you’ll return to" - GQ Magazine ***** "Travel back to the 80s" - AppAdvice Star Duster for iPhone and Apple Watch takes handheld games (and you) back to their origins: - Two game modes with different challenges, gameplay and high score lists! - Let's get physical! Get exercise and a new type of challenge by controlling Star Duster with your head through push ups (iOS) - A Beep-boop-ity soundscape that will get stuck on your brain! Star Duster is a prequel to the mobile arcade mayhem that is Star Jolt. Can it explain why the space junk is lined up so neatly?

Screenshots

Kepler Attack4 screens
Star Duster4 screens

Verdict

The call

The clearest difference is rating: Star Duster at 5.0 against Kepler Attack's 4.5. Kepler Attack's advantage is ratings volume (942 vs 2) and chart position (#39 vs #191). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Kepler Attack costs $1.99 and Star Duster $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Star Duster holds the better App Store score, 5.0 against 4.5. 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.

UpkeepUpdate frequency

Kepler Attack ships an update every 6 weeks, Star Duster every 3 weeks. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 6 level
Kepler Attack versus Star Duster: the parameters behind the verdict, then further details
ParameterKepler AttackStar Duster
Price$1.99 — better$2.99
Rating4.5 (942 ratings)5.0 (2 ratings) — better
Positive reviews81.4% of reviews—
Number of ratings942 — better2
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#39 — better#191
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod, Apple Watch
Requires iOS12.1 — better14.0
Further details — not scored
Size31 MB31 MB
Age rating4+4+
DeveloperRed Sprite StudiosBeardybird AB

Customer experience

Kepler Attack

All ratings942 ratings
Positive87.6%
Neutral5.5%
Negative6.9%
Written reviews43 reviews
Positive81.4%
Neutral7.0%
Negative11.6%

Star Duster

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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

Star Duster

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Kepler Attack

No in-app purchases

None

Star Duster

No in-app purchases

Questions

Is Kepler Attack free?
Kepler Attack costs $1.99, with no in-app purchases.
Is Star Duster free?
Star Duster costs $2.99, with no in-app purchases.
Which has better reviews, Kepler Attack or Star Duster?
Star Duster is rated higher. Kepler Attack averages 4.5 out of 5 from 942 ratings, while Star Duster averages 5.0 from 2 ratings.
Do Kepler Attack or Star Duster have ads?
Neither Kepler Attack nor Star Duster shows ads.
Which is updated more often, Kepler Attack or Star Duster?
Kepler Attack ships an update every 6 weeks, and Star Duster every 3 weeks. Most recently, Kepler Attack was updated on September 20, 2026 and Star Duster on September 21, 2026.
Which is more popular, Kepler Attack or Star Duster?
Kepler Attack currently peaks at #39 in the App Store charts, and Star Duster at #191. Chart position reflects recent download velocity rather than total install base.

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