# SafeDRM — Copy protect video files

> Copy protect video files (iPhone/iPad app by shenzhen chaoshidai Software Co., Ltd.)

- Source: https://appshunter.io/ios/app/safedrm/id1489416182 (this page in markdown: same URL + `.md`)
- Developer: [shenzhen chaoshidai Software Co., Ltd](https://appshunter.io/developer/1357015926)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 48 MB
- Languages: Chinese (Simplified, China), American English
- Released: 2019-11-28
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/safedrm/id1489416182/reviews.md

## What is SafeDRM?

SafeDRM is designed to protect audio,video and PDF files intended for playback on personal computers against copying, illegal distribution and unauthorized use. The program uses high-strength encryption algorithms to protect audio, video files, and PDF files. These files can be played on multiple platforms, such as cellphone and PC. 

Multi-platform: The encrypted files could be used on cellphone and PC. 
File Formats: Audio, video and PDF files are supported.
High-level Encryption: With 256-bit AES encryption and advanced video encoding algorithm, more secure and reliable!
Prevent Screen Recording and Screenshots: Automatically identify various known and unknown screen recorder software. If users take a screenshot on windows, they could only get a black screen picture.
License Control: Before the users can play the video, they must enter the correct authorized account and password; Authorize students to play specified lessons, and control the expiration date.
Watermark: Set different text watermark for each user. Watermark text consists of student's name or other personal information. Static watermark and floating watermark are supported.


## Version history (last 5 releases)

### 1.4 — 2022-01-12

fix bugs

### 1.3 — 2021-11-19

1. Support PDF files.

### 1.2 — 2020-08-28

This time we brought new features.

1. Automatically categorize files.

### 1.1 — 2019-12-05

This time we brought new features.

1. New file import method.
2. Fixed the problem that the video cannot be played.

### 1.0 — 2019-11-28

No release notes.

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## More apps by shenzhen chaoshidai Software Co., Ltd

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All apps by shenzhen chaoshidai Software Co., Ltd: https://appshunter.io/developer/1357015926

## Related topics

[drm removal](https://appshunter.io/ios/topics/drm-removal)

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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 2026-08-13.*