# Cyber Rx vs TavKey

The clearest difference is in-app purchases: TavKey at none against Cyber Rx's 1. TavKey also leads on iOS requirement (16.0 vs 18.6). Cyber Rx's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Cyber Rx sells 1 one-off in-app purchase. TavKey asks for nothing beyond the download.

Cyber Rx ships an update every 3 weeks, TavKey every 2 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Cyber Rx | TavKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 2 MB | 6 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Saud](https://appshunter.io/developer/1797283594) | [Yaron Shemesh](https://appshunter.io/developer/6790495661) |

## What reviewers say

### Cyber Rx

[App page](https://appshunter.io/ios/app/cyber-rx/id6761430318)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### TavKey

[App page](https://appshunter.io/ios/app/tavkey/id6790495659)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cyber Rx free?

Cyber Rx is free to download, with in-app purchases available.

### Is TavKey free?

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

### Do Cyber Rx or TavKey have ads?

Neither Cyber Rx nor TavKey shows ads.

### Which is updated more often, Cyber Rx or TavKey?

Cyber Rx ships an update every 3 weeks, and TavKey every 2 months. Most recently, Cyber Rx was updated on October 12, 2026 and TavKey on October 14, 2026.

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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.*