# Tchap Classique vs Sorella

The clearest difference is in-app purchases: Tchap Classique at none against Sorella's 2. Sorella's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sorella sells 2 in-app purchases, starting at $6.99 per month. Tchap Classique asks for nothing beyond the download.

Tchap Classique ships an update monthly, Sorella every 2 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tchap Classique | Sorella |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 177 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DINSIC](https://appshunter.io/developer/1445678805) | [Koray Tekin](https://appshunter.io/developer/6795195752) |

## What reviewers say

### Tchap Classique

[App page](https://appshunter.io/ios/app/tchap-classique/id1446253779)

A secure instant messaging service for French government agents to exchange sensitive information. It supports one-on-one and group chats, file sharing, and simultaneous use across multiple devices with a focus on privacy.

**Highlights:** Instant messaging, Group chats, File sharing, Integrated directory, Multi-device support, High security and privacy

**Features:** Vision Pro support

**In-app purchases:** none


### Sorella

[App page](https://appshunter.io/ios/app/sorella/id6795195750)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sister+ | $6.99 | per month |
| Sorella | $49.99 | per year |


## Frequently asked questions

### Is Tchap Classique free?

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

### Is Sorella free?

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

### Do Tchap Classique or Sorella have ads?

Neither Tchap Classique nor Sorella shows ads.

### Which is updated more often, Tchap Classique or Sorella?

Tchap Classique ships an update monthly, and Sorella every 2 days. Most recently, Tchap Classique was updated on October 17, 2026 and Sorella 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.*