About this app
USB Disk Pro lets you store, view and manage documents on your iPhone and iPad. It has an amazing built in document viewer and is very easy to use, with a simple and intuitive interface, yet it contains many powerful features. Drag and drop files in iTunes to transfer them to your iPhone / iPad, then view them anywhere! TUAW - "USB Disk is [...] a nicely designed one." Lifehacker - "The Best. USB Disk for iOS gives you a fast and easy way to transfer documents and images to your device." Apple - "New and Noteworthy" TOP REASONS TO BUY • Store and view files. • Open multiple documents in different pages. • Restores last viewing position. • Navigate using swipes (like Photos / iBooks app). • Thumbnails let you preview your files. • Protect & encrypt files using Apple's Data Protection. • Supports the Files application (file provider for iOS 11+). MORE FEATURES • View and download email attachments. • Full screen file viewer. • Copy, paste, cut, delete and create files. • USB file transfers. • File transfers without iTunes over WiFi. • TV / VGA out. • Slideshow with adjustable delay. • Fast scrolling, page up/down functionalities. • Email your documents. • Lock code. • Download web files. • In app web browser. • Storage provider for other apps. • Background audio. BROWSING LOCATIONS • Local files. • Dropbox. • Google Drive. • OneDrive, SharePoint. • Box. • Evernote. • WebDAV and WWW servers. • FTP, SFTP servers. • Device's Photo Library. READING FILE TYPES • PDF files. • Compressed files (zip, rar). • MS Office documents. • iWork documents. • Pictures (jpg, png, gif, ...). • eBooks (pdf, ePub, html, txt, ...). • Comics (cbr, cbz, pdf, ...). • Audio files (mp3, m4a, wav, ...). • Video files (m4v, mov, avi, mkv, ...). EDITING FILE TYPES • ZIP files. • Small txt files. • PDF annotations. UPDATES Buy now and get free updates.
Latest release
What’s New
• New shortcuts in Shortcuts app. • Many other improvements. Leave us a review on the App Store to tell us what you think about this update.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 18, 2026 · 3:22 PM $99.99
Screenshots
