Comparison

FileViewer USB for iPhone vs FTPManager

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FileViewer USB for iPhone

This app allows you to view, store, transfer, print, and email a wide variety of file types on your iPhone. It offers robust PDF viewing capabilities, supports numerous document and media formats, and integrates with cloud storage services.

Highlights
  • 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
Features
Currently charting
Read full description

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.

About

FTPManager

Access and manage files on remote FTP and SFTP servers directly from your device. Stream media, edit text files with syntax highlighting, and transfer files between your device and servers, or even between nearby devices.

Highlights
  • Access FTP and SFTP servers
  • Stream music and videos
  • Copy, move, rename, delete files
  • Transfer files between devices
  • In-app text editor with syntax highlighting
  • Nearby file transfer
Read full description

FTPManager is a fully featured FTP client that allows you to access files on FTP servers. Directly access and manage remote files, edit text files. Stream videos and music to your iPhone/iPad. Transfer files between iPhone/iPad and FTP server. FEATURES: * Access FTP (FTP over TLS) server. * Access SFTP (SSH) server * Copy, move, rename and delete files. * Stream music and videos from FTP server to iPhone/iPad. * Sort and search files * Copy files among FTP servers, iPhones, iPads. * In-App FTP Server: Transfer files between computer and iPhone/iPad over WiFi. * Dark Mode * Multiple windows on iPad * File Transfer: Copy files among servers, cloud storages, iPhone and iPad. Copy photos between iOS photo library and servers. Backup photos from iOS photo library to servers. Sync files between iPhone/iPad and servers. Transfer files by drag and drop. Nearby file transfer: Directly transfer files between two nearby iOS devices without Wi-Fi or LTE connection. * Text Editor: Show line numbers Syntax highlighting (HTML, JavaScript, CSS, Swift etc) Full text search * Supported File Formats: Text: TXT, PHP, HTML, JS, CSS ect. Document: PDF, WORD, EXCEL, PPT, PAGES, NUMBERS, KEYNOTE, EPUB Photo: JPG, PNG, GIF, CR2, NEF, ARW, DNG etc. Music: MP3, AAC, AIFF, WAV, FLAC, APE etc. Video: MOV, MP4 The free version can only create one connection with your FTP server. If you need create more connections, please purchase the Pro version. Follow us on twitter: @SkyjosApps

Screenshots

FileViewer USB for iPhone4 screens
FTPManager4 screens

Verdict

The call

The clearest difference is price: FTPManager at Free against FileViewer USB for iPhone's $3.99. FTPManager also leads on rating (4.5 vs 4.0) and ratings volume (2.6K vs 2). FileViewer USB for iPhone's advantage is chart position (#183 vs unranked). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

FTPManager is free to download; FileViewer USB for iPhone costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FTPManager holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: FTPManager has 2.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 56% of FileViewer USB for iPhone's written reviews are positive against 48% of FTPManager's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

FileViewer USB for iPhone ships an update every 4 months, FTPManager every 2 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 5 level
FileViewer USB for iPhone versus FTPManager: the parameters behind the verdict, then further details
ParameterFileViewer USB for iPhoneFTPManager
Price$3.99Free — better
Rating4.0 (2 ratings)4.5 (2.6K ratings) — better
Positive reviews55.6% of reviews — better48.1% of reviews
Number of ratings22.6K — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFreemium — better
Best chart rank#183 — better—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size17 MB94 MB
Age rating4+4+
DeveloperMitchell COHENSkyjos Co., Ltd.

Customer experience

FileViewer USB for iPhone

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews63 reviews
Positive55.6%
Neutral12.7%
Negative31.7%

FTPManager

All ratings2,588 ratings
Positive88.6%
Neutral2.9%
Negative8.5%
Written reviews360 reviews
Positive48.1%
Neutral7.5%
Negative44.4%

Bugs and requests

FileViewer USB for iPhone

Not enough reviews yet to summarise bugs or requests.

FTPManager

Reported bugs

3 issues
  • Unreliable file transfers, especially for large files
  • Issues with editing HTML/text files
  • Disappearing files after app updates

Requested features

3 requests
  • Ability to upload files in free version
  • Option to manage multiple FTP/SFTP connections
  • Improved file management tools (select all, batch upload/download)

In-app purchases

None

FileViewer USB for iPhone

No in-app purchases

None

FTPManager

No in-app purchases

Questions

Is FileViewer USB for iPhone free?
FileViewer USB for iPhone costs $3.99, with no in-app purchases.
Is FTPManager free?
FTPManager is free to download, with no in-app purchases.
Which has better reviews, FileViewer USB for iPhone or FTPManager?
FTPManager is rated higher. FileViewer USB for iPhone averages 4.0 out of 5 from 2 ratings, while FTPManager averages 4.5 from 2.6K ratings.
Do FileViewer USB for iPhone or FTPManager have ads?
Neither FileViewer USB for iPhone nor FTPManager shows ads.
Which is updated more often, FileViewer USB for iPhone or FTPManager?
FileViewer USB for iPhone ships an update every 4 months, and FTPManager every 2 months. Most recently, FileViewer USB for iPhone was updated on October 12, 2026 and FTPManager on October 14, 2026.

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