# Kepler Attack vs Bird Gun

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.

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.

## The numbers

| Metric | Kepler Attack | Bird Gun |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.5 (943 ratings)](https://appshunter.io/ios/app/kepler-attack-watch-game/id1441234645/reviews) | **[4.6 (99 ratings)](https://appshunter.io/ios/app/bird-gun/id1571425533/reviews)** |
| Number of ratings | **943** | 99 |
| Positive reviews | **81.4% of reviews** | 58.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#138** | — |
| Size | 17 MB | 38 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Red Sprite Studios](https://appshunter.io/developer/493770851) | [Gosiha Pte. Ltd](https://appshunter.io/developer/1452132143) |

## What reviewers say

### Kepler Attack

[App page](https://appshunter.io/ios/app/kepler-attack-watch-game/id1441234645)

**Currently charting:** #138 Top Paid · Casual (US App Store)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 😁 Great for apple watches
- 🎮 An actual video game
- 🎶 What's the music called?
- 📱 I love the fact that you can play this game on an Apple Watch
- ⏱️ Old School Arcade Immediacy and Brevity

**What reviewers complain about**

- 🙄 Not worth paying for
- 💰 Ain't worth the money really
- 🙄 Fun but basic
- 😒 Stupid forced reviews
- 🐛 Won't install

**Reported bugs**

- 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**

- Add a golden starship IF
- Please add upgrades so we can have bettr ships


### Bird Gun

[App page](https://appshunter.io/ios/app/bird-gun/id1571425533)

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.

**Highlights:** Shoot fruits at enemies, Break bricks, Battle unique bosses, Pixel art graphics, Simple controls

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kepler Attack free?

Kepler Attack costs $1.99, with no in-app purchases.

### Is Bird Gun free?

Bird Gun is free to download, with no in-app purchases.

### Which has better reviews, Kepler Attack or Bird Gun?

Bird Gun is rated higher. Kepler Attack averages 4.5 out of 5 from 943 ratings, while Bird Gun averages 4.6 from 99 ratings.

### Do Kepler Attack or Bird Gun have ads?

Bird Gun shows ads; Kepler Attack does not.

### Which is updated more often, Kepler Attack or Bird Gun?

Kepler Attack ships an update every 2 months, and Bird Gun every 3 weeks. Most recently, Kepler Attack was updated on October 29, 2026 and Bird Gun on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*