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Best Onn SD Card Reader Apps

249+ iOS apps curated and reviewed

3.2 avg rating
20 free apps
Updated September 2026

SANDISK is the household name in onn sd card reader, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Onn SD Card Reader Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SANDISKSANDISKFree4.6★ (22K)NoNoSep 2026
2Mobile Reader 3.0Mobile Reader 3.0Free—NoNoSep 2026
3SD ImportSD ImportFree3.7★ (3)NoYesSep 2026
4Transcend Smart ReaderTranscend Smart ReaderFree2.1★ (8)NoNoMay 2026
5iMedia ReaderiMedia ReaderFree1.8★ (52)NoNoMay 2026
6Usb TransferUsb TransferFree—NoYesMay 2026
7Mobile Card Reader UtilityMobile Card Reader UtilityFree—NoNoMay 2026
8NFC Tags: Card Reader & WriterNFC Tags: Card Reader & WriterFree4.0★ (3)YesYesSep 2026

Top Picks for Onn SD Card Reader

SANDISK#1

SANDISK by SanDisk

Editor's Choice
📊 Productivity
4.6😞(22K ratings)
Free
SANDISK screenshot 1
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SANDISK screenshot 3
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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
SD Import#3

SD Import by 海龙 李

Import SD Card to Photos Fast
Worth Considering
🔧 Utilities
3.7(3 ratings)
FreeIn-App Purchases
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Easily transfer photos and videos from your camera's SD card directly to your iPhone's photo library. Supports RAW formats and offers smart scanning to organize your media by date, preserving EXIF data. Pro upgrade unlocks unlimited imports and one-tap card cleanup.

More Onn SD Card Reader apps to explore

FAQ about Onn SD Card Reader

What are the best onn sd card reader apps for iPhone?
SANDISK tops our onn sd card reader apps ranking as of September 2026, with a 4.6-star average from 22K App Store ratings, and it's free to download.
Yes — 20 of the top onn sd card 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 September 2026.
We track 249+ onn sd card reader apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The SANDISK app is designed to help you back up, manage, and protect your digital content. It allows you to organize files, free up space on your device by transferring content to compatible SanDisk storage, and secure your important photos, videos, and contacts with password protection and encryption.
Key features include organizing files with an intuitive interface, navigating photos and videos in timeline or grid views, freeing up space by transferring files to compatible storage devices, automatic backups of photos, videos, and contacts, and securing your files with encryption and password protection. It also provides storage insights for connected devices.