# Plasma Puck Unlimited vs Cairn

The clearest difference is iOS requirement: Plasma Puck Unlimited at 13.0 against Cairn's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Plasma Puck Unlimited sells 6 one-off in-app purchases and Cairn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Plasma Puck Unlimited ships an update every 2 weeks, Cairn every 11 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Plasma Puck Unlimited | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (268 ratings)](https://appshunter.io/ios/app/plasma-puck-unlimited/id6479285186/reviews)** | — |
| Number of ratings | **268** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 167 MB | 8 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Devin Morgan](https://appshunter.io/developer/1735442803) | [Branko Borota](https://appshunter.io/developer/1228658475) |

## What reviewers say

### Plasma Puck Unlimited

[App page](https://appshunter.io/ios/app/plasma-puck-unlimited/id6479285186)

Experience fast-paced air hockey fun with over 400 pre-made levels and a powerful level editor to create your own challenges. Unlock skins, power-ups, and enjoy vibrant graphics in this physics-based simulator.

**Highlights:** Level editor for custom stages, Over 400 premade levels, 7 unique game modes, 33 unlockable skins, 12 power-ups for chaotic matches, Local multiplayer

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Pass | $0.99 | one-time |
| High Roller | $0.99 | one-time |
| Small Donation | $0.99 | one-time |
| Lifetime Remove Ads | $1.99 | one-time |
| Medium Donation | $4.99 | one-time |
| Generous Donation | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 😎 Outstanding and awesome experience
- 💡 Challenging and skill-sharpening
- ✨ Nostalgic arcade/80s vibe
- 🚀 Innovative use of platform features

**What reviewers complain about**

- 🤔 AI can be a bit hard
- 🚧 Some obstacles favor opponent
- 🔊 No option to mute in-game audio

**Requested features**

- Option to mute in-game audio


### Cairn

[App page](https://appshunter.io/ios/app/cairn-stone-stack/id6782169883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |


## Frequently asked questions

### Is Plasma Puck Unlimited free?

Plasma Puck Unlimited is free to download, with in-app purchases available.

### Is Cairn free?

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

### Do Plasma Puck Unlimited or Cairn have ads?

Neither Plasma Puck Unlimited nor Cairn shows ads.

### Which is updated more often, Plasma Puck Unlimited or Cairn?

Plasma Puck Unlimited ships an update every 2 weeks, and Cairn every 11 days. Most recently, Plasma Puck Unlimited was updated on November 4, 2026 and Cairn on November 5, 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.*