# Chainstr vs زحمة | Za7ma

The clearest difference is device support: زحمة | Za7ma at 3 against Chainstr's 1. زحمة | Za7ma also leads on iOS requirement (15.6 vs 18.0). On price, ads and in-app purchases 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 | Chainstr | زحمة | Za7ma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 39 MB | 53 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Apptc.me s.r.o.](https://appshunter.io/developer/1649035726) | [Ali Abdelkader Alshourbagy](https://appshunter.io/developer/1460219097) |

## What reviewers say

### Chainstr

[App page](https://appshunter.io/ios/app/chainstr-video-chains/id6443750238)

**Features:** macOS Compatibility

**In-app purchases:** none


### زحمة | Za7ma

[App page](https://appshunter.io/ios/app/za7ma/id6761399296)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chainstr free?

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

### Is زحمة | Za7ma free?

زحمة | Za7ma is free to download, with no in-app purchases.

### Do Chainstr or زحمة | Za7ma have ads?

Neither Chainstr nor زحمة | Za7ma shows ads.

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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.*