# Uchar vs S

The clearest difference is iOS requirement: S at 16.6 against Uchar's 18.5. On price, update cadence, 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.

Uchar ships an update fortnightly, S every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Uchar | S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uchar/id6756061583/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free | — |
| Size | 344 MB | 107 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Center UZINFOCOM SUE](https://appshunter.io/developer/1161112460) | [Ilia Seredkin](https://appshunter.io/developer/1896047279) |

## What reviewers say

### Uchar

[App page](https://appshunter.io/ios/app/uchar/id6756061583)

This open-source messenger offers secure, decentralized communication with end-to-end encryption. Share messages, files, and location, and make secure voice and video calls. It's a free, non-commercial project focused on user privacy and freedom.

**Highlights:** End-to-end encrypted messaging and calls, File and location sharing, Group chats and public channels, Decentralized architecture, Open-source code, Voice and video conferencing

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

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-talk-1-1/id6765716442)

**In-app purchases:** none


## Frequently asked questions

### Is Uchar free?

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

### Is S free?

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

### Do Uchar or S have ads?

Neither Uchar nor S shows ads.

### Which is updated more often, Uchar or S?

Uchar ships an update fortnightly, and S every 9 days. Most recently, Uchar was updated on October 31, 2026 and S on October 31, 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.*