# Boson X vs Cavern Collapse

The clearest difference is price: Cavern Collapse at Free against Boson X's $2.99. Cavern Collapse also leads on update cadence (daily vs every 6 months) and rating (5.0 vs 4.7). Boson X's advantage is ratings volume (104 vs 3). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Cavern Collapse is free to download; Boson X costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cavern Collapse holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Boson X has 104 ratings behind it against 3, so its average is the more settled of the two.

Boson X ships an update every 6 months, Cavern Collapse daily. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Boson X | Cavern Collapse |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.7 (104 ratings)](https://appshunter.io/ios/app/boson-x/id660600531/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cavern-collapse/id6451268649/reviews)** |
| Number of ratings | **104** | 3 |
| Positive reviews | 83.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 22 MB | 66 MB |
| Requires iOS | **9.3** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shape Shop Pty Ltd atf Shape Shop Trust](https://appshunter.io/developer/1790758342) | [Hunter Cleary](https://appshunter.io/developer/1697369277) |

## What reviewers say

### Boson X

[App page](https://appshunter.io/ios/app/boson-x/id660600531)

Experience a fast-paced rotational runner set within a particle accelerator. Jump between Planck units, generate high-energy collisions, and discover new particles in a hazardous subatomic world. This game emphasizes precise timing and reflexes without in-app purchases or power-ups.

**Highlights:** Rotational runner gameplay, Particle accelerator setting, Quantum jumping mechanics, High-energy collision generation, Subatomic world navigation, Precise timing and reflexes required

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Beautiful graphics
- 🚀 Smooth gameplay
- 💡 Unique and challenging levels
- 🎮 Addictive and fun

**What reviewers complain about**

- 🐛 Lagging issues on newer devices
- 🔋 High battery consumption
- 🕹️ Unresponsive controls

**Reported bugs**

- Crashes on launch
- Aspect ratio issues on iPhone 5/6
- Laser spawning bug on later levels

**Requested features**

- More levels and content
- Difficulty settings
- Improved controls
- Cloud save support


### Cavern Collapse

[App page](https://appshunter.io/ios/app/cavern-collapse/id6451268649)

Navigate a collapsing cavern, using a grappling hook to interact with the environment and survive. Aim for the highest score in this challenging arcade survival experience.

**Highlights:** Grappling hook mechanics, High score chasing, Collapsing cavern environment, Arcade survival gameplay, Platform protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boson X free?

Boson X costs $2.99, with no in-app purchases.

### Is Cavern Collapse free?

Cavern Collapse is free to download, with no in-app purchases.

### Which has better reviews, Boson X or Cavern Collapse?

Cavern Collapse is rated higher. Boson X averages 4.7 out of 5 from 104 ratings, while Cavern Collapse averages 5.0 from 3 ratings.

### Do Boson X or Cavern Collapse have ads?

Neither Boson X nor Cavern Collapse shows ads.

### Which is updated more often, Boson X or Cavern Collapse?

Boson X ships an update every 6 months, and Cavern Collapse daily. Most recently, Boson X was updated on October 13, 2026 and Cavern Collapse on October 1, 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.*