# TethrX vs Korev

The clearest difference is device support: TethrX at 3 against Korev's 1. On price, ads, 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 | TethrX | Korev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 7 MB | 42 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Ducatillon](https://appshunter.io/developer/6789156325) | [THIAGO ROCHA SALVATORE](https://appshunter.io/developer/1777911710) |

## What reviewers say

### TethrX

[App page](https://appshunter.io/ios/app/tethrx/id6792520305)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Korev

[App page](https://appshunter.io/ios/app/korev/id6820681128)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TethrX free?

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

### Is Korev free?

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

### Do TethrX or Korev have ads?

Neither TethrX nor Korev 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.*