# PDF Unlock vs StoreMate OMS

The clearest difference is in-app purchases: StoreMate OMS at none against PDF Unlock's 6. StoreMate OMS also leads on iOS requirement (13.0 vs 15.6). PDF Unlock's advantage is update cadence (every 8 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. PDF Unlock sells 6 in-app purchases, starting at $0.99 per month. StoreMate OMS asks for nothing beyond the download.

PDF Unlock ships an update every 8 days, StoreMate OMS every 4 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Unlock | StoreMate OMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pdf-unlock-offline-pdf-tools/id6743647020/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Monetization | Subscription | — |
| Size | 79 MB | 31 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dipak Chhag](https://appshunter.io/developer/1803769062) | [Parallax Technologies Private Limited](https://appshunter.io/developer/1516610572) |

## What reviewers say

### PDF Unlock

[App page](https://appshunter.io/ios/app/pdf-unlock-offline-pdf-tools/id6743647020)

Manage PDF security and convert documents offline. This tool allows you to unlock, lock, and scan PDFs without an internet connection. It also converts images to secure, password-protected PDFs.

**Highlights:** Offline PDF unlocking and locking, Password removal and auto-unlock, Image to PDF conversion, Document scanning to PDF, Secure PDF password management, Multi-language support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Unlock:Offline PDF Tool-Monthly | $0.99 | per month |
| PDF Unlock Genie - Monthly | $2.99 | per month |
| PDF Unlock:Offline PDF Tool-Annual | $6.99 | per year |
| PDF Unlock Genie - Yearly | $19.99 | per year |
| PDF Unlock Genie - Lifetime | $14.99 | one-time |
| PDF Unlock Genie - Lifetime | $39.99 | one-time |


### StoreMate OMS

[App page](https://appshunter.io/ios/app/storemate-oms/id6754271406)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Unlock free?

PDF Unlock is free to download, with in-app purchases available.

### Is StoreMate OMS free?

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

### Do PDF Unlock or StoreMate OMS have ads?

Neither PDF Unlock nor StoreMate OMS shows ads.

### Which is updated more often, PDF Unlock or StoreMate OMS?

PDF Unlock ships an update every 8 days, and StoreMate OMS every 4 weeks. Most recently, PDF Unlock was updated on November 4, 2026 and StoreMate OMS on November 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.*