# Chama Optics vs Margin

The clearest difference is in-app purchases: Chama Optics at none against Margin's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Margin sells 1 one-off in-app purchase. Chama Optics asks for nothing beyond the download.

## The numbers

| Metric | Chama Optics | Margin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 88 MB | 1 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jinwoo Park](https://appshunter.io/developer/1873974632) | [Yoshinao Ito](https://appshunter.io/developer/6820502336) |

## What reviewers say

### Chama Optics

[App page](https://appshunter.io/ios/app/chama-optics/id6758618498)

**Features:** macOS Compatibility

**In-app purchases:** none


### Margin

[App page](https://appshunter.io/ios/app/margin/id6820502334)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Margin Pro | $1.99 | one-time |


## Frequently asked questions

### Is Chama Optics free?

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

### Is Margin free?

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

### Do Chama Optics or Margin have ads?

Neither Chama Optics nor Margin 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.*