# RET Viewer

> Versatile file manager with extensive media editing and file transfer capabilities. (iPhone/iPad app by yoshiyuki hijikata.)

- Source: https://appshunter.io/ios/app/ret-viewer/id955763129 (this page in markdown: same URL + `.md`)
- Developer: [yoshiyuki hijikata](https://appshunter.io/developer/442407647)
- Category: Productivity, Utilities
- Price: Free with in-app purchases
- Rating: 4.54/5 from 24 App Store ratings · 1 written reviews indexed
- Age rating: 17+
- Requires: iOS 12.0 · 39 MB
- Languages: English, French, German, Italian, Japanese, Russian, Thai
- Released: 2015-03-26
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ret-viewer/id955763129/reviews.md

## What is RET Viewer?

◆ RET Viewer ◆
 This app is a file manager.

 ● Function List
 · FTP file upload, download (FTP server multiple can be registered)
 · SMB file upload, download (SMB server multiple can be registered)
 · Image enlargement print (2,4,9 split)
 · movie files created from the images
 · Video Joiner
 · Background music playback
 · video playback, reverse playback (mov, m4v, mp4 only)
 · video screen capture
 · Movie partial enlargement conversion function
 · Video silence conversion function
 · Video Human face separate image conversion function
 · Video Human Face Fisheye Lens Conversion function
 · Video Human face segmentation function
 · Video frame rate 30fps conversion function
 · Text to M4A conversion
 · Image slideshow
 · File compression, decompression
 · File Sharing
 · QR code Reading & Create
 · barcode Reading
 · Voice recording
 · Editing GPS information of photos
 · File search function
 · Addition of similar image search function
 · App authentication (fingerprint authentication ※ enabled devices only)
 ※ The above features are as some paid.
 
● Support protocol
 FTP, SMB
 
● Support file
 Video: mov, m4v, mp4, mpg, mpeg, wmv, flv, mkv, rm, qt, divx, 3gp, 3g2, vob, avi, asf
 Image: jpg, jpe, bmp, jfif, jpeg, pjpeg, pjp, heic, tiff, tif, svg, esp, pic, pict, pct, tga, psd, gif, png
 Music: mp3, wav, wma, mac
 3DCG: obj, usdz, usda, abc, usd, usdc , ply , stl
 Others: zip, xls, xlsx, doc, docx, ppt, pptx, pdf, html, htm, txt, ini, csv, php, java, plist, sh, dat, xml, m, h, cpp, mm, c, js, mtl

## Key features

- FTP and SMB file transfer
- Extensive video editing tools
- Image enlargement and slideshow
- File compression and decompression
- QR code and barcode scanning
- App authentication with fingerprint support

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| All release | $5.99 | one-time |
| Ads hide | $2.99 | one-time |
| Video created limit release | $1.99 | one-time |
| Cancel the video binding limit | $1.99 | one-time |
| Limitation canceling | $0.99 | one-time |
| Background playback Limitation canceling | $0.99 | one-time |
| Expansion Print | $0.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/ret-viewer/id955763129/reviews.md

### 1/5 — Crashes after a few seconds

*2024-06-07*

There’s no features, it has poor design, and it crashes after a minute of use.

## Frequently asked questions about RET Viewer

### What file transfer protocols does RET Viewer support?

RET Viewer supports both FTP and SMB protocols, allowing you to register multiple servers for each. This enables seamless file uploads and downloads between your device and various network locations.

### Does RET Viewer offer video editing features?

Yes, RET Viewer provides a wide array of video editing functions. These include creating movies from images, joining videos, reverse playback, screen capture, partial enlargement conversion, silence conversion, and human face segmentation.

### Can RET Viewer handle file compression and decompression?

Absolutely. RET Viewer includes functionality for compressing and decompressing files, making it easier to manage storage space and transfer large archives.

### What are the supported file types for video playback in RET Viewer?

RET Viewer supports playback for a broad range of video formats including mov, m4v, mp4, mpg, mpeg, wmv, flv, mkv, rm, qt, divx, 3gp, 3g2, vob, avi, and asf.

### Does RET Viewer have any security features?

Yes, RET Viewer offers app authentication using fingerprint recognition on compatible devices. This adds an extra layer of security for your files and data.

### How often is RET Viewer updated?

The latest version, 2.7, was released on April 22, 2021. While the app has a solid feature set, the last update was in 2021, which might be a consideration for users seeking very frequent updates.

### What devices is RET Viewer compatible with?

RET Viewer is designed for iOS devices, specifically supporting iPhone, iPad, and iPod. It is rated for ages 17+.

### Is RET Viewer completely free to use?

RET Viewer is available for free, but some of its advanced features are marked as paid within the app. This indicates a freemium model where core functionality is free, with optional purchases for premium features.

## Version history (last 5 releases)

### 2.7 — 2021-04-22

bug fix

### 2.6 — 2019-10-17

bug fix

### 2.5 — 2019-09-10

bug fix.

### 2.4 — 2019-08-07

bug fix.

### 2.3 — 2019-07-23

bug fix

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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.*