Comparison

PDF Viewer vs Screen Time Control

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PDF Viewer

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)
Read full description

PDF Viewer makes file conversions easy, fast, and completely free. Convert files like JPG, Word, Excel, PPT, and more to PDF or convert PDFs back to other formats all from your iPhone.  Here’s what you can do with PDF Viewer: ● Convert files from popular formats like JPG, DOC, XLS, PPT, TXT, RTF, EPUB, and many more to PDF ● Convert PDF files back into various formats ● Share or save your converted files directly to iCloud or other apps ● Access and manage your conversion history ● Pull files from iCloud, your photo gallery, or capture a new image for conversion ● Share converted files via iMessage, open them in other apps, print, or save them to your Files app ● Convert Photos to Text ———————————————————— ◆ How to convert files with PDF Viewer ◆ 1. Select the file you want to convert 2. Choose your desired output format (PDF or another) 3. Tap the “Convert” button 4. Your file will be instantly converted (you can then save it, share it, or access it from your history) ———————————————————— PDF Viewer subscription policy: Once you sign up to PDF Viewer Premium, you will have full access to all of PDF Viewer’s features for free for 3 days. You can cancel your subscription any time and you will be sent a reminder before your PDF Viewer subscription begins after your trial. PDF Viewer Premium Subscription: - With a PDF Viewer Premium subscription you have access to all of PDF Viewer’s advanced PDF editing features, and access to all future updates. - PDF Viewer Premium monthly subscription is billed monthly for $4.99, and payment will be charged to iTunes Account after a 3 day free trial. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions can be managed by the user and auto-renewal can be turned off by going to the user's iPhone Settings -> Apple ID -> Subscriptions. ———————————————————— Connect with us on X and Instagram: @AndrewLeeReal Have any questions or recommendations? Feel free to reach out to me at: Andrew@AndrewLee.Ventures Privacy Policy: http://andrewlee.ventures/privacy Terms of Use: http://andrewlee.ventures/terms

About

Screen Time Control

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
Read full description

Pure Focus – Stay Focused, Live Fully In a world full of digital distractions, staying focused has never been more challenging. Constant notifications, social media feeds, and endless doomscrolling often derail productivity. Pure Focus is designed to help you regain control over your time and attention by blocking distracting apps, allowing you to concentrate on what truly matters. Whether you’re studying, working, or simply want to reduce unnecessary screen time, the app provides a simple and effective solution to live a more intentional and fulfilling life. Main features: ► Flexible App Blocking Options • Quick Session: Start focusing instantly with just one tap. Perfect for spontaneous work bursts. • Daily Session Limits: Set a specific number of focus sessions per day to build consistent productivity habits. • App Usage Limit: Define daily usage limits for selected apps. Once reached, the apps are blocked, ensuring you stay on track. • Scheduled Blocking: Plan your focus time by scheduling app blocks during essential tasks, meetings, or study periods. ► Gamification and Achievements Stay motivated with our built-in achievement system. Earn rewards for hitting focus milestones, maintaining streaks, and cutting down screen time. Turning focus into a game keeps you engaged and committed. ► Detailed Progress Tracking and Statistics Monitor your habits and progress with comprehensive statistics. View session counts, streaks, and time saved on the home screen. Detailed reports provide insights into your focus patterns over time, helping you improve daily. ►Customization and User-Friendly Interface Tailor Pure Focus to your needs with extensive customization options. Choose which apps to block, adjust time limits, and personalize session durations—all through a clean, intuitive interface that’s easy to navigate. This isn’t just an app blocker; it’s a complete solution for reclaiming your time and boosting productivity. With flexible blocking modes, motivating achievements, and insightful progress tracking, staying focused becomes simple and rewarding. Download Pure Focus today and take the first step toward a more focused, distraction-free life. Contact Us: info@apppurefocus.com Terms of Use: https://telegra.ph/Terms-of-Use-02-25-3 Privacy Policy: https://telegra.ph/Privacy-Policy-02-25-64

Screenshots

PDF Viewer4 screens
Screen Time Control4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
PDF Viewer versus Screen Time Control: the parameters behind the verdict, then further details
ParameterPDF ViewerScreen Time Control
PriceFreeFree
Rating4.8 (243 ratings) — better4.8 (45 ratings)
Positive reviews89.5% of reviews100.0% of reviews — better
Number of ratings243 — better45
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size11 MB73 MB
Age rating4+4+
DeveloperAndrew LeeDmitry Vanyushkin

Customer experience

PDF Viewer

All ratings235 ratings
Positive96.6%
Neutral2.6%
Negative0.9%
Written reviews57 reviews
Positive89.5%
Neutral7.0%
Negative3.5%

Screen Time Control

All ratings46 ratings
Positive95.7%
Neutral2.2%
Negative2.2%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PDF Viewer

Reported bugs

4 issues
  • 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

5 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

PDF Viewer

Subscriptions1
  • PDF Converter: Premium3 Days trial$4.991 Month
One-time1
  • PDF Converter: PremiumFree
3 purchases

Screen Time Control

Subscriptions2
  • Monthly Plan (1 Month)3 Days trial$4.991 Month
  • Yearly Plan (1 Year)7 Days trial$19.991 Year
One-time1
  • Lifetime Plan$34.99

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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