# Feihan — Protect company secret

> Protect company secret (iPhone/iPad app by 上海飞函安全科技有限公司.)

- Source: https://appshunter.io/ios/app/feihan/id6475678827 (this page in markdown: same URL + `.md`)
- Developer: [上海飞函安全科技有限公司](https://appshunter.io/developer/1724740420)
- Category: Business, Social Networking
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 66 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2024-05-28
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/feihan/id6475678827/reviews.md

## What is Feihan?

Feihan is a secure and stable private one-stop office platform with features including instant messaging, organizational structure, audio and video conferencing, and cloud storage, all in a private version. All data is stored within the enterprise or organization, ensuring security and no data leakage! Feihan adheres to a simple and mainstream product design, allowing users to quickly get started without the need for learning.

[Security]
All data is encrypted and stored on servers provided by the customer, supporting public cloud, private cloud, hybrid cloud, and single machine encrypted deployment; data collection, transmission, and storage are fully encrypted, supporting national encryption algorithms, security watermarks, device security management, message auditing, traceability, and is open to source code audits.

[Rich and Stable Instant Messaging]
- Feature-rich: Global search, read receipts, bots, historical messages, organizational departments, etc.
- Type-rich: Text, emoticons, images, voice, video, files, locations, custom messages, etc.
- Security control: Device security management, no local storage of client messages, data cannot be recovered locally after employee departure.
- Multi-device synchronization: Chats and messages are consistent across different devices, and all operations are synchronized.

[Instant and Secure Video Conferencing]
- Feature-rich: Voice, video, screen sharing, chat, and other common functions.
- Unlimited participants: 1v1 or multi-person audio and video, with the upper limit depending on the customer's machine performance.
- Security control: Customizable meeting range, speaking rights settings, designated co-chairs, and other management functions.
- Superior performance: The server can support thousands of people in a voice chat room or hundreds of people in a video chat room on a single machine.

[Convenient and Efficient Cloud Storage]
- Feature-rich: Large files, breakpoint resumption, global search, file sharing, permission control, etc.
- Large files: The upper limit of file size depends on the customer's machine performance, theoretically without an upper limit.
- Global search: Search or sort files in personal or shared spaces, as convenient as a local hard drive.
- Shared space: Share files or folders with members within the organization, group chats, or departments, with detailed read and write management permissions.


## Version history (last 5 releases)

### 0.26.3 — 2026-01-30

Fixed some bugs

### 0.25.0 — 2025-05-01

Fixed some bugs

### 0.24.0 — 2025-04-13

Fix some bugs

### 0.23.0 — 2025-04-01

Fix some bugs

### 0.22.0 — 2025-03-11

Fix some bugs

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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 2026-05-17.*