# SecureKey Vault vs ScanMaster Document Scanner

The clearest difference is in-app purchases: SecureKey Vault at none against ScanMaster Document Scanner's 2. SecureKey Vault also leads on iOS requirement (12.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ScanMaster Document Scanner sells 2 in-app purchases, starting at $0.99 per month. SecureKey Vault asks for nothing beyond the download.

SecureKey Vault ships an update every 2 months, ScanMaster Document Scanner monthly. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | SecureKey Vault | ScanMaster Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/securekey-vault-protect-and-sync/id1560434216/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 6 MB | 27 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [新雨 李](https://appshunter.io/developer/1559932632) | [伟祥 陈](https://appshunter.io/developer/6811831501) |

## What reviewers say

### SecureKey Vault

[App page](https://appshunter.io/ios/app/securekey-vault-protect-and-sync/id1560434216)

Secure your digital life with a password manager that encrypts your data end-to-end. It offers seamless syncing across devices, quick logins, and real-time security alerts for your personal and financial information.

**Highlights:** End-to-end password encryption, iCloud cross-device syncing, Quick and easy login access, Real-time security alerts, Multi-layered protection

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

**In-app purchases:** none


### ScanMaster Document Scanner

[App page](https://appshunter.io/ios/app/scanmaster-document-scanner/id6813784942)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $9.99 | per year |


## Frequently asked questions

### Is SecureKey Vault free?

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

### Is ScanMaster Document Scanner free?

ScanMaster Document Scanner is free to download, with in-app purchases available.

### Do SecureKey Vault or ScanMaster Document Scanner have ads?

Neither SecureKey Vault nor ScanMaster Document Scanner shows ads.

### Which is updated more often, SecureKey Vault or ScanMaster Document Scanner?

SecureKey Vault ships an update every 2 months, and ScanMaster Document Scanner monthly. Most recently, SecureKey Vault was updated on November 3, 2026 and ScanMaster Document Scanner on November 6, 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.*