# Dual Magic Flash vs Backup Disk

The clearest difference is in-app purchases: Dual Magic Flash at none against Backup Disk's 3. Dual Magic Flash also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (8.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Backup Disk sells 3 in-app purchases, starting at $2.99 per month. Dual Magic Flash asks for nothing beyond the download.

Dual Magic Flash ships an update every 5 weeks, Backup Disk every 5 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Dual Magic Flash | Backup Disk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (23 ratings)](https://appshunter.io/ios/app/dual-magic-flash/id1126191028/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 56 MB | 7 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Norel Systems Limited](https://appshunter.io/developer/1542559097) | [Muharrem Ozkan](https://appshunter.io/developer/443806426) |

## What reviewers say

### Dual Magic Flash

[App page](https://appshunter.io/ios/app/dual-magic-flash/id1126191028)

Instantly expand storage on your Micro-USB or iOS Lightning devices. Easily transfer and save photos, music, movies, contacts, and any files between devices without using internal space.

**Highlights:** Expand device storage up to 256GB, Transfer and save photos, Carry music without using device space, Store movies, Backup and restore contacts, Transfer any file type

**Features:** macOS Compatibility

**In-app purchases:** none


### Backup Disk

[App page](https://appshunter.io/ios/app/backup-disk/id6444174393)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backup Disk PRO Monthly | $2.99 | per month |
| Backup Disk PRO Annual | $9.99 | per year |
| Backup Disk PRO Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Dual Magic Flash free?

Dual Magic Flash is free to download, with no in-app purchases.

### Is Backup Disk free?

Backup Disk is free to download, with in-app purchases available.

### Do Dual Magic Flash or Backup Disk have ads?

Neither Dual Magic Flash nor Backup Disk shows ads.

### Which is updated more often, Dual Magic Flash or Backup Disk?

Dual Magic Flash ships an update every 5 weeks, and Backup Disk every 5 months. Most recently, Dual Magic Flash was updated on October 8, 2026 and Backup Disk on October 3, 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.*