# Vi vs Key Sync™

The clearest difference is device support: Vi at 2 against Key Sync™'s —. Key Sync™'s advantage is iOS requirement (11.0 vs 13.0). On price 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 | Vi | Key Sync™ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Weekly | — |
| Size | 143 MB | 67 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 9+ | 4+ |
| Developer | [新 周](https://appshunter.io/developer/1816947384) | [Michel Sales Company](https://appshunter.io/developer/1883582701) |

## What reviewers say

### Vi

[App page](https://appshunter.io/ios/app/vi-cam/id6746833548)

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

**In-app purchases:** none


### Key Sync™

[App page](https://appshunter.io/ios/app/key-sync/id6760275098)

**In-app purchases:** none


## Frequently asked questions

### Is Vi free?

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

### Is Key Sync™ free?

Key Sync™ 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.*