Comparison

Plexus Timer vs PDF Master

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

Head to head
About

Plexus Timer

Features
Read full description

Welcome to Plexus Timer โ€” the ultimate focus companion designed to elevate your productivity, boost your recall, and connect you with students worldwide. Whether you are preparing for school exams, JEE, NEET, UPSC, CA, or university courses, Plexus Timer transforms your study sessions into an engaging, collaborative, and gamified experience. KEY FEATURES: Collaborative Study Rooms Don't study alone! Join or create virtual study rooms to study live with friends and students worldwide. Track each other's progress, build study groups, and keep each other accountable in real-time. Plexus Recall (Active Recall Flashcards) Maximize retention with built-in flashcards. Select the "Plexus Recall" option during your study timer sessions. The timer will automatically sync with your due cards and pause once you finish reviewing, ensuring you practice active recall efficiently. Smart Focus Timer & Planner Stay on track with our premium, highly customizable study timer. Choose beautiful ambient themes like "Midnight Library" or "Dark Academia." Schedule your exams, set up rest days, and organize your study planner. Advanced Trend & Analytics Gain deep insights into your study habits. Track your progress with detailed daily, weekly, and monthly analytical heatmaps and charts. Visualize your study time by subject and watch your productivity grow. Meet Plexy, Your Companion Choose your cute personal Plexy study companion to stay by your side and motivate you during every focus session! UPGRADE TO PLEXUS PLUS: Take your productivity to the next level with our premium subscription: โ€ข Unlimited Study Rooms & Groups โ€ข Unlimited subjects and unlimited flashcard decks โ€ข Full access to Midnight Library, Dark Academia, and all exclusive premium themes โ€ข Unlimited Study Buddy chat messages โ€ข Comprehensive weekly and monthly trend analysis โ€ข Flexible study calendar with more rest days and multiple exam trackers Join thousands of students and transform the way you study. Download Plexus Timer today and master your goals! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PDF Master

Features
Read full description

PDF Tools Editor is the only PDF app you will ever need on iPhone. Scan, view, edit, annotate, sign, convert, merge, split, compress, and protect โ€” every PDF task in one beautifully designed app. EVERYTHING YOU CAN DO WITH PDFs SCAN ANYTHING TO PDF Auto-detect document edges with your camera. Capture multi-page scans into a single crisp PDF. Choose color, grayscale, or black-and-white modes. Built-in OCR makes every scan searchable. POWERFUL PDF EDITOR Highlight text in twelve colors. Draw freehand with adjustable pen widths. Add text using custom fonts and sizes. Insert shapes such as rectangle, circle, and line. Place handwritten signatures anywhere on the page. Recolor any annotation in one tap. Apply multi-page annotations such as highlights that span across pages. Undo or redo every change. Resize and rotate any element. SIGN PDFs LIKE A PRO Draw your signature with finger or Apple Pencil. Save signatures for reuse. Place them on any page with a single tap. Capture works correctly in both light and dark mode without changing your ink color. CONVERT PDF AND BACK AGAIN Convert PDF to Word using real on-device RTF conversion. Convert PDF to images, Excel, or PowerPoint. Convert Word, Excel, PowerPoint, and images back to PDF. Choose the page size when converting images. Edit converted Word files inside the app. ORGANIZE AND MANAGE Merge multiple PDFs into one. Split a PDF by page ranges. Compress files to shrink size. Rotate pages individually. Add page numbers automatically. Add custom watermarks. Multi-select files for batch share or delete. SECURE YOUR DOCUMENTS Password-protect any PDF. Remove passwords from your own PDFs. Files stay on your device by default โ€” nothing is uploaded. AI ASSISTANT AI Summarize condenses long PDFs into key points. AI Chat lets you ask questions about your document. Save summaries as new PDFs in your library. THIRTEEN LANGUAGES English, Vietnamese, Spanish, Portuguese (BR), French, German, Italian, Japanese, Korean, Simplified Chinese, Hindi, Arabic, Indonesian, Thai, and Turkish. DESIGNED FOR iOS System Light and Dark mode with manual override. Native gestures including swipe to delete and multi-select. Edge-to-edge layout that feels truly native. Fast performance โ€” every action completes in under 200 milliseconds. WHO IT IS FOR Students annotating lecture PDFs. Professionals signing contracts on the go. Freelancers turning receipts into searchable PDFs. Anyone who deals with documents that need to be reviewed, signed, or shared. Download now and bring your PDF workflow up to speed. For questions or feedback, open Settings inside the app and tap Share App.

Screenshots

Plexus Timer4 screens
PDF Master4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Master at none against Plexus Timer's 2. Plexus Timer's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 17.6). On price and ads there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Plexus Timer sells 2 in-app purchases, starting at $0.99 per month. PDF Master asks for nothing beyond the download.

Scorecard3 real differences ยท 3 level
Plexus Timer versus PDF Master: the parameters behind the verdict, then further details
ParameterPlexus TimerPDF Master
PriceFreeFree
Update frequencyEvery 5 daysโ€”
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod, Mac โ€” betteriPhone
Requires iOS15.6 โ€” better17.6
Further details โ€” not scored
Size146 MB2 MB
Age rating4+4+
DeveloperDinesh ChakarapaniNguyen Hoang Tung

In-app purchases

2 purchases

Plexus Timer

Subscriptions2
  • Plexus Plus Monthly$0.991 Month
  • Plexus Plus Yearly$9.991 Year
None

PDF Master

No in-app purchases

Questions

Is Plexus Timer free?
Plexus Timer is free to download, with in-app purchases available.
Is PDF Master free?
PDF Master is free to download, with no in-app purchases.
Do Plexus Timer or PDF Master have ads?
Neither Plexus Timer nor PDF Master shows ads.

Other comparisons