# Bubbles in Space vs Kaiju Rush

The clearest difference is in-app purchases: Bubbles in Space at none against Kaiju Rush's 5. Bubbles in Space also leads on ads (none vs shown). Kaiju Rush's advantage is update cadence (every 2 weeks vs every 22 months) and iOS requirement (15.6 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Kaiju Rush sells 5 in-app purchases, starting at $7.99 per 7 days. Bubbles in Space asks for nothing beyond the download.

Bubbles in Space ships an update every 22 months, Kaiju Rush every 2 weeks. The most recent releases landed on October 5, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Bubbles in Space | Kaiju Rush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (13K ratings)](https://appshunter.io/ios/app/kaiju-rush/id1423042788/reviews)** |
| Number of ratings | — | **13K** |
| Positive reviews | — | 25.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 86 MB |
| Requires iOS | 18.2 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Huge Holdings Ltd](https://appshunter.io/developer/508584861) | [Lucky Kat Studios](https://appshunter.io/developer/498980984) |

## What reviewers say

### Bubbles in Space

[App page](https://appshunter.io/ios/app/bubbles-in-space/id1010801758)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kaiju Rush

[App page](https://appshunter.io/ios/app/kaiju-rush/id1423042788)

Control giant monsters to smash cities with simple one-tap gameplay. Upgrade your monsters to improve distance, unlock new creatures, and discover more buildings. Enjoy fun, destructive action.

**Highlights:** One-tap controls, Variety of Kaiju creatures, Monster upgrades, Improve distance, Unlock new monsters, Smash buildings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| King Kaiju Subscription | $7.99 | per 7 days |
| Gem Pack 1 | $1.99 | one-time |
| No Ads | $2.99 | one-time |
| Gem Pack 2 | $4.99 | one-time |
| Gem Pack 3 | $11.99 | one-time |

**What reviewers like**

- 🚀 Cute and addictive gameplay
- 👍 Adorable pixel art style
- 🎨 Diverse and creative Kaiju designs

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 💰 Excessive ads and aggressive monetization
- 🔋 Performance issues and crashes
- 🤯 Frustrating subscription model

**Reported bugs**

- Kaiju getting stuck in infinite bouncing loop
- Inability to select or hatch new Kaiju
- Freezing and crashing during gameplay
- Offline earnings not updating correctly

**Requested features**

- More unique Kaiju abilities and animations
- Improved offline progress tracking
- Reduced ad frequency and optional ad-free mode
- Better progression system and content unlocks


## Frequently asked questions

### Is Bubbles in Space free?

Bubbles in Space is free to download, with no in-app purchases.

### Is Kaiju Rush free?

Kaiju Rush is free to download, with in-app purchases available.

### Do Bubbles in Space or Kaiju Rush have ads?

Kaiju Rush shows ads; Bubbles in Space does not.

### Which is updated more often, Bubbles in Space or Kaiju Rush?

Bubbles in Space ships an update every 22 months, and Kaiju Rush every 2 weeks. Most recently, Bubbles in Space was updated on October 5, 2026 and Kaiju Rush on October 21, 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.*