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Best Otg Flash Drive Apps

244+ iOS apps curated and reviewed

3.3 avg rating
20 free apps
Updated September 2026

Looking for free otg flash drive apps? 20 of our 244+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Otg Flash Drive Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OTG Flash ProOTG Flash ProFree—NoNoMay 2026
2SANDISKSANDISKFree4.7★ (23K)NoNoOct 2026
3i-FlashDevice HDi-FlashDevice HDFree2.1★ (419)NoNoOct 2026
4iUSB DriveiUSB DriveFree2.6★ (92)NoNoJul 2026
5i-FlashDevicei-FlashDeviceFree2.3★ (789)NoNoAug 2026
6EASYFLASHPROEASYFLASHPROFree1.7★ (76)NoNoOct 2026
7WiFi OTGWiFi OTGFree—NoNoJun 2026
8FlasheroFlasheroFree—NoNoMay 2026

Top Picks for Otg Flash Drive

SANDISK#2

SANDISK by SanDisk

Strong Contender
📊 Productivity
4.7😞(23K 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
i-FlashDevice HD#3

i-FlashDevice HD by ShenZhen 0101 technology Co.,Ltd

Worth Considering
🔧 Utilities
2.1😞(419 ratings)
Free
i-FlashDevice HD screenshot 1
i-FlashDevice HD screenshot 2

Easily manage files on a USB drive connected via a wired connection. Back up and restore photos and contacts directly to and from the USB drive without needing a network connection.

What We Love

  • 🚀 Easy to use
  • 💡 Convenient for transferring photos/videos
  • 👍 Works well with iPhone and iPad

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🔌 Unreliable connection with device
  • 🤯 Confusing and unintuitive interface
  • 🤔 Limited functionality compared to claims

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 SANDISK.
OTG Flash Pro has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 244+ otg flash drive apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.