# Hi vs K9 Chat

The clearest difference is review sentiment: K9 Chat at 100% against Hi's 57%. K9 Chat also leads on rating (5.0 vs 3.1). Hi's advantage is update cadence (daily vs every 3 weeks) and ratings volume (47 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

K9 Chat holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Hi has 47 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of Hi's written reviews are positive against 100% of K9 Chat's.

Hi ships an update daily, K9 Chat every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Hi | K9 Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (47 ratings)](https://appshunter.io/ios/app/hi-instant-messenger/id691200877/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/k9-chat/id1603886124/reviews)** |
| Number of ratings | **47** | 2 |
| Positive reviews | 57.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 47 MB | 254 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hi Technology, Inc.](https://appshunter.io/developer/933438248) | [Colohost LLC](https://appshunter.io/developer/1582364323) |

## What reviewers say

### Hi

[App page](https://appshunter.io/ios/app/hi-instant-messenger/id691200877)

This communication app offers free WiFi calls and video calls with friends, along with text, voice, image, and video messaging. It provides unlimited international calls and 720p HD video quality, with a unique 10,000 GB of free cloud storage for photos and videos.

**Highlights:** Free WiFi calls and video calls, Text, voice, image, and video messaging, Unlimited international calls, 720p HD video calls, 10,000 GB free video cloud storage, Instant photo/video sharing, Message status indicators

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

**In-app purchases:** none

**What reviewers like**

- 💡 Great app for calling and messaging
- 🚀 Crystal clear voice quality
- 👍 Easy to use and personalize

**What reviewers complain about**

- 🐛 Verification code not received
- 🐛 Frequent crashes and freezes
- 🐛 Inability to send/receive messages and photos
- 🐛 Accounts getting logged out randomly

**Reported bugs**

- Verification code not being sent
- Calls getting disconnected or not connecting
- Cloud storage issues with photos and videos
- Compatibility problems with older devices

**Requested features**

- Add video calling functionality
- Implement read/delivery receipts for messages
- Allow deleting entire conversation history
- Improve notification system


### 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


## Frequently asked questions

### Is Hi free?

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

### Is K9 Chat free?

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

### Which has better reviews, Hi or K9 Chat?

K9 Chat is rated higher. Hi averages 3.1 out of 5 from 47 ratings, while K9 Chat averages 5.0 from 2 ratings.

### Do Hi or K9 Chat have ads?

Neither Hi nor K9 Chat shows ads.

### Which is updated more often, Hi or K9 Chat?

Hi ships an update daily, and K9 Chat every 3 weeks. Most recently, Hi was updated on November 6, 2026 and K9 Chat on November 3, 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.*