Best Otg Flash Drive Apps

250+ iOS apps curated and reviewed

3.3 avg rating
20 free apps
Updated November 2026

Looking for free otg flash drive apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Otg Flash Drive Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OTG Flash ProOTG Flash ProFree—NoNoMay 2026
2iUSB DriveiUSB DriveFree2.6★ (90)NoNoNov 2026
3SANDISKSANDISKFree4.7★ (25K)NoNoNov 2026
4i-FlashDevice HDi-FlashDevice HDFree2.1★ (442)NoNoNov 2026
5USB Photo TransferUSB Photo TransferFree4.9★ (14)NoNoNov 2026
6REVOOX SYNCREVOOX SYNCFree——NoOct 2026
7i-FlashDevicei-FlashDeviceFree2.3★ (789)NoNoNov 2026
8uDiskuDiskFree4.3★ (248)NoYesNov 2026

Top Picks for Otg Flash Drive

iUSB Drive#2
2.6(90 ratings)
Free
iUSB Drive screenshot 1
iUSB Drive screenshot 2

This app allows you to manage files on a dual-connector USB drive. It enables file transfer, backup, and direct playback of media on iOS devices and computers.

SANDISK#3

SANDISK by SanDisk

Worth Considering
📊 Productivity
4.7😞(25K 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

More Otg Flash Drive apps to explore

FAQ about Otg Flash Drive

Are there free otg flash drive apps for iPhone?
Yes — 20 of the top otg flash drive apps we rank are free to download, including OTG Flash Pro and iUSB Drive.
OTG Flash Pro has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 250+ otg flash drive apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.