# PDF Locker vs Screen Time

The clearest difference is in-app purchases: PDF Locker at none against Screen Time's 3. PDF Locker also leads on update cadence (every 2 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Screen Time sells 3 in-app purchases, starting at $5.99 per 7 days. PDF Locker asks for nothing beyond the download.

PDF Locker ships an update every 2 weeks, Screen Time every 7 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDF Locker | Screen Time |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 5 MB | 23 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## 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


### Screen Time

[App page](https://appshunter.io/ios/app/screen-time-steps-unlock-app/id6759506902)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access For A Week | $5.99 | per 7 days |
| All Access For A Year | $39.99 | per year |
| All access for a lifetime | $99.99 | one-time |


## Frequently asked questions

### Is PDF Locker free?

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

### Is Screen Time free?

Screen Time is free to download, with in-app purchases available.

### Do PDF Locker or Screen Time have ads?

Neither PDF Locker nor Screen Time shows ads.

### Which is updated more often, PDF Locker or Screen Time?

PDF Locker ships an update every 2 weeks, and Screen Time every 7 months. Most recently, PDF Locker was updated on November 3, 2026 and Screen Time on October 28, 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.*