# ByCS vs myTHD

The clearest difference is update cadence: myTHD at every 9 days against ByCS's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ByCS ships an update every 2 months, myTHD every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | ByCS | myTHD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 251 MB | 104 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Manage Now GmbH im Auftrag d. bay. Staatsregierung](https://appshunter.io/developer/1847562750) | [UniNow GmbH](https://appshunter.io/developer/1099302123) |

## What reviewers say

### ByCS

[App page](https://appshunter.io/ios/app/bycs-messenger/id6446783774)

Secure and free communication for Bavarian schools, enabling quick information and file exchange. Features include voice calls, messages, location sharing, and flexible availability settings, all within a privacy-compliant environment.

**Highlights:** Privacy-compliant school communication, Secure user access, Voice calls and voice messages, Location sharing, Customizable availability times, Integration with ByCS-Drive, Create video conferences

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


### myTHD

[App page](https://appshunter.io/ios/app/mythd/id6749629908)

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

**In-app purchases:** none


## Frequently asked questions

### Is ByCS free?

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

### Is myTHD free?

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

### Do ByCS or myTHD have ads?

Neither ByCS nor myTHD shows ads.

### Which is updated more often, ByCS or myTHD?

ByCS ships an update every 2 months, and myTHD every 9 days. Most recently, ByCS was updated on October 24, 2026 and myTHD on October 24, 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.*