# vio.chat vs Duravit Network App

The clearest difference is update cadence: Duravit Network App at fortnightly against vio.chat's every 18 months. vio.chat's advantage is iOS requirement (15.0 vs 17.0). 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.

vio.chat ships an update every 18 months, Duravit Network App fortnightly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | vio.chat | Duravit Network App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 127 MB | 85 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [vio:networks GmbH](https://appshunter.io/developer/1504253659) | [DURAVIT AG](https://appshunter.io/developer/525710115) |

## What reviewers say

### vio.chat

[App page](https://appshunter.io/ios/app/viochat/id1585306488)

Connect with colleagues securely and flexibly through private or group chats. Enjoy end-to-end encryption and share files from anywhere, with your message history synced across devices. Customize your chat spaces to suit your team's needs.

**Highlights:** Create private or group chat rooms, End-to-end encryption, Share images and files, Synchronized message history across devices, Customizable chat spaces, Location-independent communication

**Features:** macOS Compatibility

**In-app purchases:** none


### Duravit Network App

[App page](https://appshunter.io/ios/app/duravit-network-app-dna/id1621082693)

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

**In-app purchases:** none


## Frequently asked questions

### Is vio.chat free?

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

### Is Duravit Network App free?

Duravit Network App is free to download, with no in-app purchases.

### Do vio.chat or Duravit Network App have ads?

Neither vio.chat nor Duravit Network App shows ads.

### Which is updated more often, vio.chat or Duravit Network App?

vio.chat ships an update every 18 months, and Duravit Network App fortnightly. Most recently, vio.chat was updated on October 17, 2026 and Duravit Network App 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.*