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Best USB Flash Drive Reader Apps

249+ iOS apps curated and reviewed

3.6 avg rating
20 free apps
Updated October 2026

Out of 249+ usb flash drive reader apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top USB Flash Drive Reader Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SANDISKSANDISKFree4.7★ (24K)NoNoOct 2026
2Mobile Reader 3.0Mobile Reader 3.0Free2.4★ (12)NoNoOct 2026
3USB Disk SE, File ManagerUSB Disk SE, File ManagerFree4.4★ (854)YesYesOct 2026
4uDiskuDiskFree4.3★ (247)NoYesOct 2026
5i-USB-Storeri-USB-StorerFree2.1★ (83)NoNoOct 2026
6iUSB DriveiUSB DriveFree2.6★ (91)NoNoOct 2026
7i-FlashDevice HDi-FlashDevice HDFree2.1★ (441)NoNoOct 2026
8Bookview PDF ReaderBookview PDF ReaderFree—NoNoMay 2026

Top Picks for USB Flash Drive Reader

SANDISK#1

SANDISK by SanDisk

Editor's Choice
📊 Productivity
4.7😞(24K ratings)
Free
SANDISK screenshot 1
SANDISK screenshot 2
SANDISK screenshot 3
SANDISK screenshot 4
SANDISK screenshot 5
SANDISK screenshot 6

Easily back up, manage, and protect your digital content. Organize files, free up space by transferring to compatible storage, and secure important memories with password protection.

What We Love

  • 🚀 Great for photo backups
  • 🚀 Seamless experience
  • 👍 Intuitive and user-friendly
  • 👍 Helpful for managing storage
  • 💡 Explore feature with partner integrations

Room to Improve

  • 🐛 Doesn't recognize USB drives on newer iPhones
  • 🐛 Buggy and glitchy
  • 🐛 Unstable and disconnects during backups
  • 👎 Lacks key features from previous app
  • 👎 Complicated and confusing to use
Mobile Reader 3.0#2

Mobile Reader 3.0 by 骏 杨

Strong Contender
🌟 Lifestyle
2.4(12 ratings)
Free
Mobile Reader 3.0 screenshot 1
Mobile Reader 3.0 screenshot 2
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This application connects to MFI storage devices via a data line. It allows users to view files on their mobile phones and back them up to the connected storage device.

USB Disk SE, File Manager#3

USB Disk SE, File Manager by Imesart S.a.r.l.

Photo Viewer, MP3 Player, PDF
Worth Considering
📊 Productivity
4.4😊(854 ratings)
FreeAdsIn-App Purchases
USB Disk SE, File Manager screenshot 1
USB Disk SE, File Manager screenshot 2
USB Disk SE, File Manager screenshot 3
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USB Disk SE, File Manager screenshot 5
USB Disk SE, File Manager screenshot 6

This app allows you to store, view, and manage documents on your iPhone and iPad. It offers a built-in viewer, easy file transfers via iTunes, and integration with cloud storage services. Enjoy a simple interface with powerful features for organizing and accessing your files.

What We Love

  • 💾 Easy file storage and access
  • 📁 Convenient document management
  • 🔍 Supports various file formats
  • ⚙️ Useful for transferring files between devices

Room to Improve

  • 🐛 Crashes and freezes reported
  • 🔒 Limited file access and editing capabilities
  • 💰 Paywall for some features
  • 🔍 Difficulty organizing files

More USB Flash Drive Reader apps to explore

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FAQ about USB Flash Drive Reader

What are the best usb flash drive reader apps for iPhone?
SANDISK tops our usb flash drive reader apps ranking as of October 2026, with a 4.7-star average from 24K App Store ratings, and it's free to download.
Yes — 20 of the top usb flash drive reader apps we rank are free to download, including SANDISK and Mobile Reader 3.0.
SANDISK has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ usb flash drive reader apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.