Kepler Attack vs Bird Gun
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
Bird Gun
Control a pixel bird to shoot fruits at enemies and break bricks. Navigate chaotic levels filled with unique bosses like a sausage-shooting Pig Boss and a fish bone-shooting UFO cat. Enjoy a simple yet action-packed arcade experience.
- Shoot fruits at enemies
- Break bricks
- Battle unique bosses
- Pixel art graphics
- Simple controls
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When you are a pixel bird, life is simple! Shoot fruits at other birds or being shot... Hey, and don't you forget the Pig Boss that shoots sausage? the UFO cat that shoot fish bones...? Get the game and enjoy chaos!!!
Screenshots
Verdict
The clearest difference is price: Bird Gun at Free against Kepler Attack's $1.99. Bird Gun also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 17.0). Kepler Attack's advantage is ads (none vs shown) and review sentiment (81% vs 58%). On rating, in-app purchases 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
Bird Gun is free to download; Kepler Attack costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for Kepler Attack against 4.6 for Bird Gun. That said, the two scores are not equally well evidenced: Kepler Attack has 943 ratings behind it against 99, so its average is the more settled of the two. Written reviews are what separate them: 81% of Kepler Attack's written reviews are positive against 58% of Bird Gun's.
Kepler Attack ships an update every 2 months, Bird Gun every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | Kepler Attack | Bird Gun |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.5 (943 ratings) | 4.6 (99 ratings) — better |
| Positive reviews | 81.4% of reviews — better | 58.3% of reviews |
| Number of ratings | 943 — better | 99 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Best chart rank | #85 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Red Sprite Studios | Gosiha Pte. Ltd |
Customer experience
Kepler Attack
Bird Gun
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
Bird Gun
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kepler Attack
No in-app purchases
Bird Gun
No in-app purchases
