# Paint Tubes vs Cairn

The clearest difference is in-app purchases: Paint Tubes at none against Cairn's 1. Paint Tubes also leads on iOS requirement (8.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cairn sells 1 one-off in-app purchase. Paint Tubes asks for nothing beyond the download.

Paint Tubes ships an update every 8 days, Cairn every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Paint Tubes | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (32 ratings)](https://appshunter.io/ios/app/paint-tubes/id1422971515/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 11 days |
| Monetization | Free | — |
| Size | 77 MB | 8 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AppTout](https://appshunter.io/developer/650869462) | [Branko Borota](https://appshunter.io/developer/1228658475) |

## What reviewers say

### Paint Tubes

[App page](https://appshunter.io/ios/app/paint-tubes/id1422971515)

Engage in a satisfying puzzle experience by shooting balls to color tubes and advance through over 100 levels. Enjoy simple one-tap controls, vibrant visuals, and addictive gameplay designed for quick fun.

**Highlights:** Ball shooting mechanics, Tube coloring gameplay, Over 100 levels, One-tap controls, Rich visual effects, Addictive gameplay

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

**In-app purchases:** none


### 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 Paint Tubes free?

Paint Tubes is free to download, with no in-app purchases.

### Is Cairn free?

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

### Do Paint Tubes or Cairn have ads?

Neither Paint Tubes nor Cairn shows ads.

### Which is updated more often, Paint Tubes or Cairn?

Paint Tubes ships an update every 8 days, and Cairn every 11 days. Most recently, Paint Tubes was updated on October 24, 2026 and Cairn on October 25, 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.*