# SMI Chat

> Secure group chat, file sharing, and voice/video calls for teams. (iPhone/iPad app by Siliconmotion.)

- Source: https://appshunter.io/ios/app/smi-chat/id1234258844 (this page in markdown: same URL + `.md`)
- Developer: [Siliconmotion](https://appshunter.io/developer/1050091822)
- Category: Utilities, Productivity
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 79 MB
- Languages: American English, Basque, Bulgarian, Catalan, Dutch, French (France), German (Germany), Russian, Chinese (Simplified, China), Vietnamese
- Released: 2017-05-14
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/smi-chat/id1234258844/reviews.md

## What is SMI Chat?

Built around group chat rooms, SMI Chat can interact with other SMI apps and lets you share messages, images, videos and files among team members. SMI Chat is the center of all communications of the team’s collaborative environment.

Features include:

• Instantly share messages, images, videos and files of any kind within groups of any size
• Voice and video 1-1 and conference calling via WebRTC
• End-to-end encryption using Olm (https://matrix.org/git/olm)
• See who's reading your messages with read receipts
• Communicate with users anywhere in the Matrix.org ecosystem.
• Participate in guest-accessible public rooms
• Highly scalable - supports hundreds of rooms and thousands of users
• Fully synchronized message history across multiple devices and browsers
• Finely configurable notification settings, synchronized over all devices
• Infinite searchable chat history
• Permalinks to messages

## Key features

- Group chat rooms
- Message, image, video, file sharing
- 1-on-1 and conference voice/video calls
- End-to-end encryption
- Read receipts
- Matrix.org ecosystem integration
- Searchable chat history

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/smi-chat/id1234258844/reviews.md

### 4/5 — 请继续更新啊

*2025-06-08*

为什么这么多年不再更新了

## Frequently asked questions about SMI Chat

### What is SMI Chat?

SMI Chat is a communication platform designed for teams, offering features like group chat, file sharing, and voice/video calls. It emphasizes end-to-end encryption and integration with the Matrix.org ecosystem.

### Is SMI Chat free to use?

Yes, SMI Chat is available for free. The provided data indicates it is a free application with no mention of subscription fees or paid features.

### What devices support SMI Chat?

SMI Chat is supported on iPhone, iPad, and iPod devices. It is designed to be accessible across Apple's mobile ecosystem.

### How secure is SMI Chat?

SMI Chat utilizes end-to-end encryption via Olm, a robust encryption protocol. This ensures that messages and shared content are protected from unauthorized access.

### Can I see who has read my messages in SMI Chat?

Yes, SMI Chat provides read receipts, allowing you to see when your messages have been read by other participants in the chat.

### Does SMI Chat have ads?

No, SMI Chat does not contain advertisements. The application's data indicates it is free and does not have ads or in-app purchases.

### How often is SMI Chat updated?

The latest version of SMI Chat is 2.1.9, which was last updated on June 6, 2018. This suggests a less frequent update cycle based on the provided information.

### What is the age rating for SMI Chat?

SMI Chat has an age rating of 4+. This indicates it is suitable for users aged four and older.

## Version history (last 5 releases)

### 2.1.9 — 2018-06-06

This app has been updated by Apple to display the Apple Watch app icon.

Bug Fix: 
1. No push notification when app in background or closed.

### 2.1.4 — 2018-05-30

1. Bug fix: Regression: Sending a photo from the photo library causes a crash.

### 2.0.9 — 2018-05-25

Improvements:
Upgrade MatrixKit version (v0.7.11).
The minimal iOS version is now 9.0.
Render stickers in the timeline (#1819).
Support specifying kick and ban msgs (#1816), thanks to @atabrizian (PR #1824).
Confirmation popup when leaving room (#1793), thanks to @atabrizian (PR #1828).

Bug fixes:
Regression: Sending a photo from the photo library causes a crash.
Global Messages search: some search results are missing.
Crash on URL like https://riot.im/#/app/register?hs_url=... (#1838).
All rooms showing the same avatar (#1673).
App fails to logout on unknown token (#1839).

### 2.0.6 — 2018-05-03

1. Upgrade MatrixKit version (v0.7.3).
2. Crypto: Add key sharing dialog for incoming room key requests 
3. Update developing instructions in README, thanks to @aaronraimist.
4. Add basic OLED black theme, thanks to @aaronraimist 
5. Make code compatible with !use_frameworks in Podfile.

### 0.6.3 — 2017-07-28

新增訊息推播通知功能

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## More apps by Siliconmotion

- [Storage+ iDisk](https://appshunter.io/ios/app/storage-plus-idisk/id1094157935)
- [RiDATA](https://appshunter.io/ios/app/ridata/id1136069132)
- [SMI Teamwork](https://appshunter.io/ios/app/smi-teamwork/id1232167123)
- [SMI File Sharing](https://appshunter.io/ios/app/smi-file-sharing/id1232168154)

All apps by Siliconmotion: https://appshunter.io/developer/1050091822

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*