# 4K UniPlay — Local Playback · Private Vault

> Local audio/video player, file manager, and private vault. (iPhone/iPad app by 长沙春觉信息科技有限公司.)

- Source: https://appshunter.io/ios/app/4k-uniplay/id6754910684 (this page in markdown: same URL + `.md`)
- Developer: [长沙春觉信息科技有限公司](https://appshunter.io/developer/1692530882)
- Category: Utilities
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 32 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2025-11-09
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/4k-uniplay/id6754910684/reviews.md

## What is 4K UniPlay?

4K UniPlay is a lightweight, easy‑to‑use local audio and video player and file manager. It supports mainstream video and audio formats, makes importing simple, and delivers smooth playback—ideal for study, binge‑watching, and listening.

【Main function】
1. Core Playback
- Supports most common audio and video formats. Video: avi, mkv, mov, mp4, mpg, 3gp, webm, wmv, m4v, mpeg, rm, rmvb, ogv, vob, amv, flv. Audio: aac, flac, mp3, ogg, m4a, wav, ape, wma, opus.
- 0.5x–2.0x speed control, scrubbing, portrait/landscape switching, and gesture adjustments for brightness/volume.
- Vinyl‑style animation and background playback for a more immersive music experience.

2. Import & Transfer
- One‑tap import via Photos, Files app, and the system Share Sheet.
- Local Wi‑Fi web transfer: upload/download files directly from a desktop browser.
- Device‑to‑device transfer within the app, enabling faster and safer file exchange.

3. File Management
- Create folders, rename, move, copy, delete, sort, and batch select for efficient organization.

4. Private Video Management
- Built‑in Private Folder to securely manage sensitive videos, protected with biometric lock.

5. Personalization & Compatibility
- Follows system Dark Mode with multiple theme styles.
- Language switching for Chinese (Simplified/Traditional) and English.

## Key features

- Supports all major audio/video formats
- Playback speed control and gesture controls
- One-tap import from Photos and Files
- Wi-Fi web transfer for desktop access
- Device-to-device file transfer
- Secure private folder with biometric lock
- File organization tools

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/4k-uniplay/id6754910684/reviews.md

### 4/5 — Bug

*2026-08-06*

闪退

## Frequently asked questions about 4K UniPlay

### What video and audio formats does 4K UniPlay support?

4K UniPlay supports a wide range of formats including AVI, MKV, MOV, MP4, MPG, 3GP, WebM, WMV, M4V, MPEG, RM, RMVB, OGv, VOB, AMV, FLV for video, and AAC, FLAC, MP3, OGG, M4A, WAV, APE, WMA, Opus for audio.

### How can I import files into 4K UniPlay?

You can import files with a single tap from the Photos app, Files app, or using the system Share Sheet. Additionally, local Wi-Fi web transfer allows uploading and downloading files directly from a desktop browser.

### Does 4K UniPlay have a private folder feature?

Yes, 4K UniPlay includes a built-in Private Folder to securely manage sensitive videos. This folder is protected with a biometric lock for enhanced privacy.

### Can I transfer files between devices using 4K UniPlay?

Yes, 4K UniPlay enables device-to-device transfer directly within the app, facilitating faster and safer file exchange between your devices.

### What are the playback control options in 4K UniPlay?

Playback controls include 0.5x–2.0x speed adjustment, scrubbing, portrait/landscape switching, and gesture controls for brightness and volume. It also offers vinyl-style animation and background playback for music.

### Is 4K UniPlay available on multiple devices?

Based on the provided data, 4K UniPlay is supported on iPhone, iPad, and iPod devices.

### How often is 4K UniPlay updated?

The latest version of 4K UniPlay was last updated on August 15, 2026, indicating regular updates for improvements and new features.

### Does 4K UniPlay have ads?

No, 4K UniPlay is ad-free, as indicated by the 'hasAds' flag being false in the application data.

## Version history (last 4 releases)

### 1.0.3 — 2026-08-15

-------- New updated content ---------
1. Fixed some known issues and optimized user experience.

### 1.0.2 — 2026-08-06

-------- New updated content ---------
1. Fixed some known issues and optimized user experience.

### 1.0.1 — 2026-01-29

-------- New updated content ---------
1. Optimized for iPad devices with basic interface adaptations for the large iPad screen; the app is now fully usable on iPad's large display;
2. Fixed several known issues to enhance stability when playing audio and video content;
2. Optimized the code performance and improved the user experience.

### 1.0.0 — 2025-11-10

No release notes.

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All apps by 长沙春觉信息科技有限公司: https://appshunter.io/developer/1692530882

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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 2026-08-17.*