# SANDISK vs O2GFlash

The clearest difference is chart position: SANDISK at #143 against O2GFlash's unranked. O2GFlash's advantage is update cadence (every 10 days vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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, O2GFlash every 10 days. The most recent releases landed on September 25, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | SANDISK | O2GFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22K ratings)](https://appshunter.io/ios/app/sandisk/id6504174888/reviews)** | — |
| Number of ratings | **22K** | — |
| Positive reviews | 20.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free | — |
| Best chart rank | **#143** | — |
| Size | 98 MB | 113 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SanDisk](https://appshunter.io/developer/646153887) | [奥尔特云(深圳)智慧科技有限公司](https://appshunter.io/developer/1518438178) |

## What reviewers say

### SANDISK

[App page](https://appshunter.io/ios/app/sandisk/id6504174888)

**Currently charting:** #143 Top Free · Productivity (US App Store)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great for photo backups
- 🚀 Seamless experience
- 👍 Intuitive and user-friendly
- 👍 Helpful for managing storage
- 💡 Explore feature with partner integrations

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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**

- 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


### O2GFlash

[App page](https://appshunter.io/ios/app/o2gflash/id6748330680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SANDISK free?

SANDISK is free to download, with no in-app purchases.

### Is O2GFlash free?

O2GFlash is free to download, with no in-app purchases.

### Do SANDISK or O2GFlash have ads?

Neither SANDISK nor O2GFlash shows ads.

### Which is updated more often, SANDISK or O2GFlash?

SANDISK ships an update every 3 weeks, and O2GFlash every 10 days. Most recently, SANDISK was updated on September 25, 2026 and O2GFlash on September 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*