# IGMargin vs Chama Optics

The clearest difference is iOS requirement: IGMargin at 12.0 against Chama Optics's 17.6. On price, update cadence, 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.

IGMargin ships an update every 2 days, Chama Optics every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IGMargin | Chama Optics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 36 MB | 88 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai Takei](https://appshunter.io/developer/1837341587) | [Jinwoo Park](https://appshunter.io/developer/1873974632) |

## What reviewers say

### IGMargin

[App page](https://appshunter.io/ios/app/igmargin/id6751871839)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chama Optics

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IGMargin free?

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

### Is Chama Optics free?

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

### Do IGMargin or Chama Optics have ads?

Neither IGMargin nor Chama Optics shows ads.

### Which is updated more often, IGMargin or Chama Optics?

IGMargin ships an update every 2 days, and Chama Optics every 3 days. Most recently, IGMargin was updated on October 30, 2026 and Chama Optics 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.*