# UStorage vs Backup Disk

The clearest difference is in-app purchases: UStorage at none against Backup Disk's 3. UStorage also leads on update cadence (monthly 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. UStorage asks for nothing beyond the download.

UStorage ships an update monthly, Backup Disk every 5 months. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | UStorage | Backup Disk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 135 MB | 7 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [汉福 陈](https://appshunter.io/developer/1636423746) | [Muharrem Ozkan](https://appshunter.io/developer/443806426) |

## What reviewers say

### UStorage

[App page](https://appshunter.io/ios/app/ustorage/id1176383390)

**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 UStorage free?

UStorage 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 UStorage or Backup Disk have ads?

Neither UStorage nor Backup Disk shows ads.

### Which is updated more often, UStorage or Backup Disk?

UStorage ships an update monthly, and Backup Disk every 5 months. Most recently, UStorage was updated on September 13, 2026 and Backup Disk on September 9, 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.*