# Kepler Attack vs Void

The clearest difference is rating: Void at 4.8 against Kepler Attack's 4.5. Void also leads on review sentiment (90% vs 81%). Kepler Attack's advantage is ratings volume (942 vs 55) and chart position (#48 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Kepler Attack costs $1.99 and Void $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Void holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Kepler Attack has 942 ratings behind it against 55, 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 90% of Void's.

Kepler Attack ships an update every 6 weeks, Void every 2 months. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Kepler Attack | Void |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | [4.5 (942 ratings)](https://appshunter.io/ios/app/kepler-attack-watch-game/id1441234645/reviews) | **[4.8 (55 ratings)](https://appshunter.io/ios/app/void-x/id1622479769/reviews)** |
| Number of ratings | **942** | 55 |
| Positive reviews | 81.4% of reviews | **90.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Best chart rank | **#48** | — |
| Size | 31 MB | 18 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Red Sprite Studios](https://appshunter.io/developer/493770851) | [James Swiney](https://appshunter.io/developer/481532695) |

## What reviewers say

### Kepler Attack

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

**Currently charting:** #48 Top Paid · Casual, #88 Top Paid · Action (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


### Void

[App page](https://appshunter.io/ios/app/void-x/id1622479769)

Engage in a challenging arcade shoot 'em up experience with intense boss battles and a distinctive retro style. Survive waves of enemies, collect power-ups, and maintain your combo to achieve high scores. Enjoy smooth gameplay and even play on your Apple Watch.

**Highlights:** Bullet hell style bosses, Retro aesthetic, Power-up collection, Combo multiplier, Controller support, Autosave progress, Playable on Apple Watch

**Features:** macOS Compatibility, Game Controller support, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Kepler Attack free?

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

### Is Void free?

Void costs $3.99, with no in-app purchases.

### Which has better reviews, Kepler Attack or Void?

Void is rated higher. Kepler Attack averages 4.5 out of 5 from 942 ratings, while Void averages 4.8 from 55 ratings.

### Do Kepler Attack or Void have ads?

Neither Kepler Attack nor Void shows ads.

### Which is updated more often, Kepler Attack or Void?

Kepler Attack ships an update every 6 weeks, and Void every 2 months. Most recently, Kepler Attack was updated on September 25, 2026 and Void on September 18, 2026.

---

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