# EYH Authenticator vs Tesla Screen Mirror

The clearest difference is in-app purchases: EYH Authenticator at none against Tesla Screen Mirror's 1. EYH Authenticator also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Tesla Screen Mirror sells 1 in-app purchase, starting at $3.99 per month. EYH Authenticator asks for nothing beyond the download.

## The numbers

| Metric | EYH Authenticator | Tesla Screen Mirror |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 40 MB | 13 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yusuf Serhat Ozgen](https://appshunter.io/developer/1566612505) | [Yigit Can Polat](https://appshunter.io/developer/6783888654) |

## What reviewers say

### EYH Authenticator

[App page](https://appshunter.io/ios/app/eyh-authenticator/id6680186828)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tesla Screen Mirror

[App page](https://appshunter.io/ios/app/tesla-screen-mirror-relay/id6801823753)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Relay Premium | $3.99 | per month |


## Frequently asked questions

### Is EYH Authenticator free?

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

### Is Tesla Screen Mirror free?

Tesla Screen Mirror is free to download, with in-app purchases available.

### Do EYH Authenticator or Tesla Screen Mirror have ads?

Neither EYH Authenticator nor Tesla Screen Mirror 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.*