# mQuest vs Secure Digital Storage

The clearest difference is iOS requirement: Secure Digital Storage at 13.0 against mQuest's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | mQuest | Secure Digital Storage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 36 MB | 60 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [cluetec GmbH](https://appshunter.io/developer/454679358) | [sedisto GmbH](https://appshunter.io/developer/1691044229) |

## What reviewers say

### mQuest

[App page](https://appshunter.io/ios/app/mquest-survey/id651481601)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Secure Digital Storage

[App page](https://appshunter.io/ios/app/secure-digital-storage/id6449939685)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mQuest free?

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

### Is Secure Digital Storage free?

Secure Digital Storage is free to download, with no in-app purchases.

### Do mQuest or Secure Digital Storage have ads?

Neither mQuest nor Secure Digital Storage shows ads.

### Which is updated more often, mQuest or Secure Digital Storage?

mQuest ships an update every 2 months, and Secure Digital Storage every 2 months. Most recently, mQuest was updated on October 14, 2026 and Secure Digital Storage on October 7, 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.*