# ByCS vs BLURT

The clearest difference is update cadence: BLURT at every 2 days against ByCS's every 2 months. ByCS's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads 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.

ByCS ships an update every 2 months, BLURT every 2 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ByCS | BLURT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 251 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Manage Now GmbH im Auftrag d. bay. Staatsregierung](https://appshunter.io/developer/1847562750) | [MICHAEL NICKEL](https://appshunter.io/developer/1778895102) |

## 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


### BLURT

[App page](https://appshunter.io/ios/app/blurt/id6761314603)

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

**In-app purchases:** none


## Frequently asked questions

### Is ByCS free?

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

### Is BLURT free?

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

### Do ByCS or BLURT have ads?

Neither ByCS nor BLURT shows ads.

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

ByCS ships an update every 2 months, and BLURT every 2 days. Most recently, ByCS was updated on October 25, 2026 and BLURT 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.*