SANDISK vs 3Sign Documents
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
3Sign Documents
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3Sign è un’app per la gestione operativa dei documenti aziendali. Consente agli utenti autorizzati di accedere ai documenti assegnati, consultarli, verificarne lo stato e completarli tramite flussi di sottoscrizione e conferma direttamente da iPhone. L’app è pensata per aziende, collaboratori e operatori che utilizzano piattaforme documentali compatibili. L’accesso è riservato agli utenti abilitati e richiede credenziali fornite dalla propria organizzazione. Con 3Sign è possibile semplificare il flusso documentale, riducendo passaggi manuali, tempi di gestione e utilizzo della carta. Funzioni principali: consultazione dei documenti disponibili visualizzazione dello stato dei documenti sottoscrizione e conferma documentale gestione dei documenti completati accesso sicuro tramite account autorizzato 3Sign è uno strumento semplice e pratico per portare la gestione documentale aziendale su dispositivi mobili.
Screenshots
Verdict
The clearest difference is update cadence: 3Sign Documents at every 4 days against SANDISK's every 3 weeks. SANDISK's advantage is chart position (#138 vs unranked). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SANDISK ships an update every 3 weeks, 3Sign Documents every 4 days. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.
| Parameter | SANDISK | 3Sign Documents |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (24K ratings) — better | — |
| Positive reviews | 21.3% of reviews | — |
| Number of ratings | 24K — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #138 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 80 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | SanDisk | giovanni vaccalluzzo |
Bugs and 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
3Sign Documents
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SANDISK
No in-app purchases
3Sign Documents
No in-app purchases









