Comparison

Nukii vs SANDISK

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nukii

This app manages an intelligent flash drive with patented NFC unlocking technology. It ensures automatic locking and secure sharing of confidential documents, offering remote data clearing for lost devices.

Highlights
  • Patented NFC unlocking
  • Automatic locking
  • Secure document sharing
  • Remote data clearing
  • Read-only mode
  • Manage shared accounts
Read full description

More than 95% of flash drives do not have functions that provide adequate security protection. In the case that the flash drive is lost, trade secrets and confidential documents may be stolen! Introducing: Nukii Next Generation Intelligent Flash Drive - Exclusive patented NFC unlocking technology - Japan Good Design Award Confidential information stored in the cloud may be at risk of being hacked. Nukii flash drive always locks automatically, keeping everything inside protected. Mobile Nukii app is designed for management workflow, share the contents of the flash drive safely and selectively. The best choice for teams sharing confidential documents. Product Features: 1. Always locks automatically 2. Patented NFC sensor unlocking 3. Manage shared accounts by the Nukii App 4. Read-only mode to reduce the risk of virus 5. Remotely clear data incase lost of device 6. High quality memory chips

About

SANDISK

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.

Highlights
  • Organize files with an intuitive interface
  • Browse photos and videos in timeline or grid views
  • Free up space by transferring files
  • Automatic backup of photos, videos, and contacts
  • Secure files with encryption and password protection
  • View storage insights for connected devices
Read full description

The SANDISK® app is a powerful, easy-to-use app that helps you back up, manage, and protect your digital content.1 Whether you're freeing up space, organizing files, or helping safeguard your memories with password protection, the SANDISK app gives you complete control over your photos, videos, contacts, and more. This app replaces the legacy iXpand® Drive app for iOS. Please use this app for all future use with supported storage devices. The SANDISK app was previously called SANDISK Memory Zone™. Use the app with compatible SANDISK® drives (sold separately). It’s easy to back up, transfer, and manage your photos, videos, and contacts, between your iPhone and your computer. To learn more about all products compatible with the SANDISK app, go to our support page: https://support-en.sandisk.com/app/answers/detailweb/a_id/52065 Key Features Organize Your Files Browse, move, copy, or delete files with a clean, intuitive interface that puts you in control of your content. Media Timeline & Grid Views Navigate your photos and videos in a timeline or immersive grid layout to quickly find and relive your memories. Free Up Space Quickly transfer files from your iPhone to a compatible storage device, so you can make room for what matters most. Automatic Backup2 Set it once and your photos, videos, and contacts will automatically back up2 when your device is connected. Help secure Your Files Add an extra layer of protection with encryption and password-secured storage for your most important content. Storage Insights Easily view available, used, and total space on your connected device—no more guessing. Explore More Discover tools and services that help you do more with your content—from AI enhancements to creative utilities. Support: Please visit Sandisk support at: https://shop.sandisk.com/support Third-Party Notices: https://downloads.sandisk.com/downloads/temp/sandisk-memory-zone-ios.txt Company Info http://www.sandisk.com Legal 1. iOS 15 or higher required for the SANDISK app. 2. SANDISK app required. Available for download from the App Store. iOS 15 or higher required. Set up automatic backup within app settings. Terms and conditions apply. For more information on Sandisk’s Vulnerability Disclosure Policy, please visit: https://shop.sandisk.com/support/product-security/vulnerability-disclosure-policy SANDISK, the SANDISK logo, iXpand, and Memory Zone are registered trademarks or trademarks of Sandisk Corporation or its affiliates in the US and/or other countries. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products. © 2026 Sandisk Corporation or its affiliates. All rights reserved.

Screenshots

Nukii4 screens
SANDISK4 screens

Verdict

The call

The clearest difference is rating: SANDISK at 4.7 against Nukii's 3.4. SANDISK also leads on ratings volume (24K vs 5) and review sentiment (21% vs 0%). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SANDISK holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: SANDISK has 24K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Nukii's written reviews are positive against 21% of SANDISK's.

UpkeepUpdate frequency

Nukii ships an update every 2 months, SANDISK every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 6 level
Nukii versus SANDISK: the parameters behind the verdict, then further details
ParameterNukiiSANDISK
PriceFreeFree
Rating3.4 (5 ratings)4.7 (24K ratings) — better
Positive reviews0.0% of reviews21.3% of reviews — better
Number of ratings524K — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#147 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size50 MB80 MB
Age rating4+17+
DeveloperMaktar Inc.SanDisk

Customer experience

Nukii

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

SANDISK

All ratings23,507 ratings
Positive92.4%
Neutral2.9%
Negative4.8%
Written reviews1,009 reviews
Positive21.3%
Neutral6.0%
Negative72.6%

Bugs and requests

Nukii

Not enough reviews yet to summarise bugs or requests.

SANDISK

Reported bugs

4 issues
  • App doesn't recognize iXpand drives on iPhone 16
  • Frequent error messages and failed backups
  • Incompatible with older iOS versions and devices
  • Photos and videos not displaying properly

Requested features

5 requests
  • Allow manual selection of files to transfer
  • Bring back date-based photo organization
  • Add option to delete photos from phone after backup
  • Improve search and sorting capabilities
  • Restore private/secure folder functionality

In-app purchases

None

Nukii

No in-app purchases

None

SANDISK

No in-app purchases

Questions

Is Nukii free?
Nukii is free to download, with no in-app purchases.
Is SANDISK free?
SANDISK is free to download, with no in-app purchases.
Which has better reviews, Nukii or SANDISK?
SANDISK is rated higher. Nukii averages 3.4 out of 5 from 5 ratings, while SANDISK averages 4.7 from 24K ratings.
Do Nukii or SANDISK have ads?
Neither Nukii nor SANDISK shows ads.
Which is updated more often, Nukii or SANDISK?
Nukii ships an update every 2 months, and SANDISK every 3 weeks. Most recently, Nukii was updated on October 24, 2026 and SANDISK on October 28, 2026.

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