# PDF Locker vs Gadget Set

The clearest difference is in-app purchases: PDF Locker at none against Gadget Set's 1. PDF Locker also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). Gadget Set's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Gadget Set sells 1 one-off in-app purchase. PDF Locker asks for nothing beyond the download.

PDF Locker ships an update every 2 weeks, Gadget Set every 3 months. The most recent releases landed on September 21, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | PDF Locker | Gadget Set |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-locker/id1595267349/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 6 MB | 30 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) | [凡宇 邓](https://appshunter.io/developer/1620283788) |

## What reviewers say

### PDF Locker

[App page](https://appshunter.io/ios/app/pdf-locker/id1595267349)

Secure your PDF documents with individual passwords or PINs. Share protected files and easily remove passwords when needed. Offers app-level protection using device biometrics or passcodes.

**Highlights:** Save PDF files, Secure with password/PIN, Share protected files, Unlock/remove password, App protection with biometrics/passcode

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

**In-app purchases:** none


### Gadget Set

[App page](https://appshunter.io/ios/app/gadget-set-toolbox/id6456040003)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| permanently remove ads | $0.99 | one-time |


## Frequently asked questions

### Is PDF Locker free?

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

### Is Gadget Set free?

Gadget Set is free to download, with in-app purchases available.

### Do PDF Locker or Gadget Set have ads?

Gadget Set shows ads; PDF Locker does not.

### Which is updated more often, PDF Locker or Gadget Set?

PDF Locker ships an update every 2 weeks, and Gadget Set every 3 months. Most recently, PDF Locker was updated on September 21, 2026 and Gadget Set on September 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.*