# FileViewer USB for iPhone

> iPhone file viewer, storage, transfer, printing, and email app. (iPhone/iPad app by Mitchell COHEN.)

- Source: https://appshunter.io/ios/app/fileviewer-usb-for-iphone/id382994576 (this page in markdown: same URL + `.md`)
- Developer: [Mitchell COHEN](https://appshunter.io/developer/301383007)
- Category: Business, Productivity
- Price: $3.99
- Rating: 4.00/5 from 2 App Store ratings · 63 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 17 MB
- Languages: American English, Chinese (Simplified, China), European Spanish
- Released: 2010-07-29
- Data updated: 2026-08-28
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/fileviewer-usb-for-iphone/id382994576/reviews.md

## What is FileViewer USB for iPhone?

OVERVIEW
• FileViewer USB is a file viewing, storage, transfer, printing, and email application for the iPhone. It includes one of the best PDF viewers for the iPhone and can also view many other file types. Files are transferred to FileViewer USB, via iTunes (Finder in Mac OS 10.15 Catalina), using a Wi-Fi or USB connection, or via email, AirDrop, the Files app, or connected devices such as thumb drives.

FILE VIEWING
• Supported file types for direct viewing or listening include portable document format (.pdf), Microsoft Word (.doc & .docx), rich text format (.rtf), plain text files (.txt), Microsoft Excel (.xls & .xlsx), Microsoft PowerPoint (.ppt & .pptx), iWork files (.pages, .key, & .numbers), HTML documents (.html & .htm), web archives (.webarchive), image files (.jpg, .jpeg, .jp2, single & multipage .tif/.tiff, .gif, .bmp, & .png), audio files (.m4a - Apple Lossless & AAC formats, .mp3, .wav, and .aif), video files (.mp4, .m4v, .mov, and .3gp), and other file types (.h, .m, .c, .java, .js, .csv, & .log). 
• PDF reader is fast, handles large pdf files, and opens password-protected pdfs. A thumbnail scroll bar feature facilitates viewing of long documents. Pages can be bookmarked.  Other features include search, markup functionality, and table of contents view.
• Photos from the Photos app on the iPhone can be transferred to and viewed in FileViewer. 
• Images can be copied from this app to the device's camera roll. Images in a given folder can be viewed as a slide show. 
• Landscape mode as well as zooming and panning is supported for viewing documents and images. 

FILE & FOLDER MANAGEMENT
• Folders can be created to organize files. 
• Files and folders can be deleted and renamed as well as moved or copied from one folder to another. 
• Multiple files can be deleted or moved to a different folder at the same time. 
• FileViewer files can be opened in other apps on the iPhone. 
• File and folder lists can be filtered by file type, folders, search phrase, and first letter of name. 
• Files and folders can be sorted by date, size, and modification date (ascending & descending). 
• Global file search.
• Zip archives can be transferred to and unzipped in FileViewer, providing easy one-step transfer of groups of files and/or folders. Zip archives can be created from files and folders stored in FileViewer USB.
• Capability to save many document types as a PDF.
• Dragging and dropping of files into folders.

AIRDROP 
• With AirDrop, users can share files directly between supported iOS devices, as well as between an iOS device and computer. 

SOCIAL MEDIA 
• Post images and web pages to Facebook and Twitter. 

EMAIL
• Files ≤ 20 MB can be emailed as an attachment. 
• Email attachments can be transferred from the Mail app to FileViewer USB. 

PRINTING
• Documents and images can be printed to AirPrint/ePrint compatible printers. 

CLOUD STORAGE 
• Connectivity to iCloud Drive, Box, Dropbox, Google Drive, and Microsoft OneDrive.

AIRPLAY & DISPLAYING FILES ON AN EXTERNAL DISPLAY
• Using AirPlay, you can wirelessly stream iPhone screen output, via an Apple TV, to an HDTV.
• Audio can be wirelessly streamed using AirPlay, via an Apple TV, to an audio system. 

REQUIREMENTS
• iOS 15 (or higher).
• Files are transferred to FileViewer USB, via iTunes (Finder in Mac OS 10.15 Catalina), using a Wi-Fi or USB connection, or via email, AirDrop, the Files app, or connected devices such as thumb drives.

SECURITY
• Use your fingerprint, Face ID, or a password to protect access to FileViewer USB.
• Individual files are protected using iOS data protection.

HELP
• Help is built into and available from within the FileViewer USB application.

## Key features

- View over 30 file types
- Robust PDF reader
- File and folder management
- Transfer via USB, Wi-Fi, AirDrop, Email
- Cloud storage integration
- Print documents and images

## Chart rankings

- #181 in Top Paid · Business (US App Store)

## Recent user reviews (10 of 63)

All indexed reviews: https://appshunter.io/ios/app/fileviewer-usb-for-iphone/id382994576/reviews.md

### 3/5 — Not bad, but not great...

*2017-06-13*

Does not hide files while switching between apps. But otherwise it is ok. If you are worried about hiding stuff, completely close the app from the background.  No problems view images or videos.

### 1/5 — Yes

*2015-01-04, version 3.5.1*

No

### 2/5 — Die App ist nichts besonderes.

*2014-10-15*

Die Übertragung der Dateien ist nur über iTunes möglich. Die anderen Apps können das besser und ohne iTunes.

### 5/5 — Fantastic

*2014-08-14, version 3.5.1*

This app is indeed one of the best file viewing & storage apps available for the iPhone. I have been using it for a few years & would highly recommend it. It offers both user friendly operation & slick design. Also on the one occasion I had a problem, I found the customer support teams excellent response & keenness to resolve my issue, second to none.

### 5/5 — Useful

*2013-12-03*

This app saved me in a pinch. Also, very helpful for keeping secure documents on your phone.

### 2/5 — Update for iOS 7 only.

*2013-10-02, version 3.0*

This update will only run on iOS 7.... what poop. :(

### 1/5 — iOS 7 doesn't work with it

*2013-09-26, version 2.8*

Now that I have upgraded phone to ios7 , this app does not work . I can't enter the password . Please fix ASAP as I can't log in or access my files.  How do I get money back?, as developers havnt mentioned working on a fix for it

### 1/5 — Not Brilliat

*2013-09-18, version 2.8*

Try to open a saved document and just keeps crashing

### 5/5 — A must-have app!

*2013-08-15*

Very flexible, easy to use app to organize many common file types. So glad I found it!

### 5/5 — Very useful

*2013-06-20*

Very useful application

## Frequently asked questions about FileViewer USB for iPhone

### What does FileViewer USB do?

FileViewer USB is an application for iPhone that enables you to view, store, transfer, print, and email a wide array of file types. It includes a powerful PDF viewer and supports numerous document, image, audio, and video formats.

### What file types can I view with this app?

The app supports over 30 file types, including PDFs, Microsoft Office documents (.doc, .docx, .xls, .xlsx, .ppt, .pptx), iWork files (.pages, .key, .numbers), images (.jpg, .png, .gif), audio (.mp3, .wav), and video (.mp4, .mov). It also handles various other formats like HTML, CSV, and log files.

### How can I transfer files to FileViewer USB?

Files can be transferred to FileViewer USB using iTunes (or Finder on macOS Catalina and later), a Wi-Fi connection, a USB connection, AirDrop, the Files app, or directly via email attachments.

### Does this app support cloud storage?

Yes, FileViewer USB offers connectivity to popular cloud storage services, including iCloud Drive, Box, Dropbox, Google Drive, and Microsoft OneDrive, allowing you to access and manage your cloud files directly from the app.

### Can I print documents from this app?

Yes, you can print documents and images directly from FileViewer USB to any AirPrint/ePrint compatible printer. This feature allows for easy hardcopy creation of your files.

## Version history (last 5 releases)

### 6.8 — 2024-06-03

• iOS 17 update
• iPhone 15 update
• Bug fixes

### 6.7 — 2022-09-17

• iOS 16 version
• iPhone 14 version
• Updated photo and video picker
• Bug fixes
• Several other enhancements

### 6.6.1 — 2021-10-31

• Bug fixes

### 6.6 — 2021-10-01

• iOS 15 version
• iPhone 13 version
• Bug fixes
• Several other enhancements

### 6.5 — 2020-10-25

• iOS 14 version
• iPhone 12 version
• Picture in Picture
• Vertical scrolling in PDF viewer
• Bug fixes
• Several other enhancements

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## More apps by Mitchell COHEN

- [FileViewer XL for iPad](https://appshunter.io/ios/app/fileviewer-xl-for-ipad/id363628188)

All apps by Mitchell COHEN: https://appshunter.io/developer/301383007

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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 2026-08-28.*