# K9 Chat vs YU.CO

K9 Chat and YU.CO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

K9 Chat ships an update every 3 weeks, YU.CO monthly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | K9 Chat | YU.CO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/k9-chat/id1603886124/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 254 MB | 237 MB |
| Requires iOS | 18.5 | **17.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Colohost LLC](https://appshunter.io/developer/1582364323) | [Irina Dubovitskaya](https://appshunter.io/developer/1641098543) |

## What reviewers say

### K9 Chat

[App page](https://appshunter.io/ios/app/k9-chat/id1603886124)

This secure chat application offers end-to-end encryption and zero-trust communication for private teams and organizations. It supports audio, video, screensharing, and voice notes without tracking user activity. Access requires an account provided by an administrator.

**Highlights:** End-to-end encryption, Zero-trust communication, Anonymous messaging, Audio and video calls, Screensharing, Voice notes

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

**In-app purchases:** none


### YU.CO

[App page](https://appshunter.io/ios/app/yuco/id6475880670)

**In-app purchases:** none


## Frequently asked questions

### Is K9 Chat free?

K9 Chat is free to download, with no in-app purchases.

### Is YU.CO free?

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

### Do K9 Chat or YU.CO have ads?

Neither K9 Chat nor YU.CO shows ads.

### Which is updated more often, K9 Chat or YU.CO?

K9 Chat ships an update every 3 weeks, and YU.CO monthly. Most recently, K9 Chat was updated on October 16, 2026 and YU.CO on October 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.*