# Duhat vs Knotos

The clearest difference is iOS requirement: Duhat at 16.0 against Knotos's 26.0. 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.

Duhat ships an update weekly, Knotos every 4 days. The most recent releases landed on November 7, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Duhat | Knotos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/duhat/id6761042924/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free | — |
| Size | 394 MB | 31 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Vingroup Joint Stock Company](https://appshunter.io/developer/1187514814) | [Dao Van Thuong](https://appshunter.io/developer/1896341023) |

## What reviewers say

### Duhat

[App page](https://appshunter.io/ios/app/duhat/id6761042924)

Connect, discuss, and take action with this messaging app. It offers effortless group communication, enhanced privacy with end-to-end encryption, and AI-powered features to simplify tasks. Designed with Vietnamese language and cultural fluency in mind.

**Highlights:** Effortless group communication, Shared action coordination, AI-powered task simplification, End-to-end encryption, Screenshot protection, Scam/unwanted contact identification

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

**In-app purchases:** none


### Knotos

[App page](https://appshunter.io/ios/app/knotos-chat-and-calls/id6766959290)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duhat free?

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

### Is Knotos free?

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

### Do Duhat or Knotos have ads?

Neither Duhat nor Knotos shows ads.

### Which is updated more often, Duhat or Knotos?

Duhat ships an update weekly, and Knotos every 4 days. Most recently, Duhat was updated on November 7, 2026 and Knotos on November 2, 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.*