# SZ vs E SD

The clearest difference is device support: E SD at 2 against SZ's —. On price, in-app purchases and iOS requirement 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 | SZ | E SD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 3 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Shengshi Innovation Technology Co., Ltd.](https://appshunter.io/developer/1789742937) | [Beijing Blunt Bird](https://appshunter.io/developer/1837188314) |

## What reviewers say

### SZ

[App page](https://appshunter.io/ios/app/sz-sdwan/id6740398742)

**In-app purchases:** none


### E SD

[App page](https://appshunter.io/ios/app/e-sd-wan/id6751851028)

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

**In-app purchases:** none


## Frequently asked questions

### Is SZ free?

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

### Is E SD free?

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

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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.*