# Lumenus Vault vs PDF Fox

The clearest difference is update cadence: PDF Fox at every 2 months against Lumenus Vault's every 5 months. PDF Fox also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Lumenus Vault ships an update every 5 months, PDF Fox every 2 months. The most recent releases landed on June 12, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Lumenus Vault | PDF Fox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 32 MB | 43 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [萍 公](https://appshunter.io/developer/1854281135) | [Yasin Kuyu](https://appshunter.io/developer/1234723142) |

## What reviewers say

### Lumenus Vault

[App page](https://appshunter.io/ios/app/lumenus-vault/id6756407795)

**In-app purchases:** none


### PDF Fox

[App page](https://appshunter.io/ios/app/pdf-fox/id6756534248)

This comprehensive toolkit offers a suite of PDF management features, including editing, scanning, signing, and conversion. It prioritizes user privacy by operating entirely offline, ensuring your documents remain on your device without requiring accounts or subscriptions.

**Highlights:** Offline PDF editing, OCR text recognition, Secure PDF signing, Document scanning, PDF merging and splitting, File compression, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lumenus Vault free?

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

### Is PDF Fox free?

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

### Do Lumenus Vault or PDF Fox have ads?

Neither Lumenus Vault nor PDF Fox shows ads.

### Which is updated more often, Lumenus Vault or PDF Fox?

Lumenus Vault ships an update every 5 months, and PDF Fox every 2 months. Most recently, Lumenus Vault was updated on June 12, 2026 and PDF Fox on June 5, 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.*