# API Zen vs MSI

The clearest difference is in-app purchases: MSI at none against API Zen's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. API Zen sells 3 one-off in-app purchases. MSI asks for nothing beyond the download.

## The numbers

| Metric | API Zen | MSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 7 MB | 30 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jaseem Valiya Valappil](https://appshunter.io/developer/1714873997) | [Mastersystem](https://appshunter.io/developer/1592236080) |

## What reviewers say

### API Zen

[App page](https://appshunter.io/ios/app/api-zen/id6471152115)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thanks | $3.99 | one-time |
| Thank you | $5.99 | one-time |
| Thank you very much | $7.99 | one-time |


### MSI

[App page](https://appshunter.io/ios/app/msi-msvision/id6474287187)

**In-app purchases:** none


## Frequently asked questions

### Is API Zen free?

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

### Is MSI free?

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

### Do API Zen or MSI have ads?

Neither API Zen nor MSI 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.*