# chain vs SnapEyes

The clearest difference is ads: chain at none against SnapEyes's shown. chain also leads on iOS requirement (12.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | chain | SnapEyes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Size | 25 MB | 9 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Devfly Digital d.o.o.](https://appshunter.io/developer/1800073858) | [Heavenbrook Software Inc.](https://appshunter.io/developer/451446278) |

## What reviewers say

### chain

[App page](https://appshunter.io/ios/app/chain-do/id6749516019)

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapEyes

[App page](https://appshunter.io/ios/app/snapeyes/id6760162598)

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

**In-app purchases:** none


## Frequently asked questions

### Is chain free?

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

### Is SnapEyes free?

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

### Do chain or SnapEyes have ads?

SnapEyes shows ads; chain does not.

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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.*