# PDF Viewer vs Screen Time Control

The clearest difference is update cadence: Screen Time Control at every 3 weeks against PDF Viewer's every 3 months. Screen Time Control also leads on review sentiment (100% vs 89%). PDF Viewer's advantage is ratings volume (243 vs 45) and iOS requirement (15.0 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Viewer sells 2 in-app purchases, starting at $4.99 per month and Screen Time Control sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for PDF Viewer against 4.8 for Screen Time Control. That said, the two scores are not equally well evidenced: PDF Viewer has 243 ratings behind it against 45, so its average is the more settled of the two. Written reviews are what separate them: 89% of PDF Viewer's written reviews are positive against 100% of Screen Time Control's.

PDF Viewer ships an update every 3 months, Screen Time Control every 3 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PDF Viewer | Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (243 ratings)](https://appshunter.io/ios/app/pdf-viewer-reader-and-editor/id6720703022/reviews)** | [4.8 (45 ratings)](https://appshunter.io/ios/app/screen-time-control-purefocus/id6737169958/reviews) |
| Number of ratings | **243** | 45 |
| Positive reviews | 89.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 11 MB | 73 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Lee](https://appshunter.io/developer/1206652057) | [Dmitry Vanyushkin](https://appshunter.io/developer/1460386228) |

## What reviewers say

### PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-viewer-reader-and-editor/id6720703022)

Easily convert various file formats to PDF and back again. This app supports conversions from images, documents, and presentations, allowing you to manage and share your files efficiently. It also offers OCR capabilities to convert photos into editable text.

**Highlights:** Convert JPG, Word, Excel, PPT to PDF, Convert PDF to other formats, Share and save converted files, Access conversion history, Pull files from iCloud or gallery, Convert Photos to Text (OCR)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Converter: Premium | $4.99 | per month |
| PDF Converter: Premium | Free | one-time |

**What reviewers like**

- 👍 Easy and intuitive to use
- 🚀 Fast and efficient conversion
- 💰 Free or affordable pricing
- 📄 Excellent PDF conversion and merging capabilities
- 🎨 Clean and simple interface design

**What reviewers complain about**

- 🐛 Forced review prompt before app usage
- ❌ Missing file deletion option
- 📸 No in-app camera scanning capability
- ⚙️ No file size customization options
- 🔄 Inconsistent performance across devices

**Reported bugs**

- App doesn't function on iPad mini (current model)
- Forced review requirement blocks app access
- Document quality issues when converting images to PDF
- Occasional glitches during operation

**Requested features**

- Add file deletion functionality
- Implement in-app camera scanning feature
- Add page merge and delete options
- Include file size/quality customization
- Support for more device types (iPad compatibility)


### Screen Time Control

[App page](https://appshunter.io/ios/app/screen-time-control-purefocus/id6737169958)

Regain control of your time and attention by blocking distracting apps. This tool helps you concentrate on important tasks with flexible blocking options, gamified achievements, and detailed progress tracking. Achieve a more intentional and fulfilling life by reducing unnecessary screen time.

**Highlights:** Flexible app blocking options, Daily session limits, App usage limits, Scheduled blocking, Gamification and achievements, Detailed progress tracking, Customizable interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan (1 Month) | $4.99 | per month |
| Yearly Plan (1 Year) | $19.99 | per year |
| Lifetime Plan | $34.99 | one-time |


## Frequently asked questions

### Is PDF Viewer free?

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

### Is Screen Time Control free?

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

### Which has better reviews, PDF Viewer or Screen Time Control?

PDF Viewer is rated higher. PDF Viewer averages 4.8 out of 5 from 243 ratings, while Screen Time Control averages 4.8 from 45 ratings.

### Do PDF Viewer or Screen Time Control have ads?

Neither PDF Viewer nor Screen Time Control shows ads.

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

PDF Viewer ships an update every 3 months, and Screen Time Control every 3 weeks. Most recently, PDF Viewer was updated on October 24, 2026 and Screen Time Control on October 20, 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.*