Comparison

Doc Scanner vs PrepLibrary

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

Head to head
About

Doc Scanner

This app allows you to quickly scan documents, photos, and cards, converting them into clear images or PDFs. It offers OCR text recognition, PDF editing, and conversion to various formats, making document management and sharing efficient.

Highlights
  • Mobile document scanning
  • OCR text recognition
  • PDF to Word conversion
  • Image to PDF conversion
  • Document editing and annotation
  • E-signature capabilities
  • AirPrint document printing
Features
Read full description

Scan documents, photos, and cards quickly and easily, then translate them into other languages. Scan documents into a clear, sharp image or PDF to email, fax, print, or save to files. Doc Scanner is a free scanner app that helps users scan, edit, and store data on smartphones, iPads, and computers. Extract texts with OCR and convert PDF to Word, Word to PDF, PDF to JPEG, etc. Features: * A powerful and quick mobile scanner Use your phone's camera to scan receipts, notes, invoices, whiteboard discussions, business cards, certificates, QR codes, etc. * Improve scan quality Smart cropping, editing, and auto-enhancing make the texts and graphics in DocuSign look clear and sharp. * E-signature Contracts can be signed and DocuSign files shared to your PDF drive. It is widely used among the CSB, e-file, real estate agents, and in government form filling. * PDF Converter: Image to PDF Converter, Just select some images or take a picture with your camera and convert it into a PDF file, or convert a document file (doc, docx, ppt, pptx) to a PDF. You can open any PDF with the Camera Scanner. You can also highlight key sections, add comments, fill out the form, and sign it with a cam scaner. * Advanced Editing It is possible to add annotations or a customised watermark to documents. You can make barcodes with a barcode generator. * OCR Text Recognition The OCR Text Recognition feature lets you recognise text from images, edit texts, or share texts to a printer, mail, or other reference apps. * Share PDF/JPEG Files Easily share documents in PDF or JPEG format with others via social media, email attachment, or by sending the doc link. There are pdf compressors, pdf mergers, pdf combiners, converters of jpg to pdf and jpeg to pdf, qr code generators, and qr code readers. * AirPrint documents Instantly print out documents in CamScanner to a nearby printer via AirPrint. CamScanner users scan and manage * A simple scanner with scannable office lens files * The most effective PDF scanner for ilovepdf, iscanner, and Adobe Scan * Scan a bill, an invoice, a contract, a tax return, or a business card with the can scaner. * A whiteboard, a memo, a script, a letter. * A blackboard, a note, a PowerPoint presentation, a book, an article, and so on. * A certificate, a document of identification, a painting. * Word to PDF converter, pdf editor, QR code scanner, Doc to PDF converter, and Word to PDF converter are all included. Convert office documents to PDF files. Turn your PDF files into editable and scannable office formats such as Word, Excel, and PowerPoint. == DocScanner Pro Feature == There are two subscription plans. $1.99 per month $11.99 per year with a 3-day trial Payment will be charged to your iTunes Account upon purchase confirmation. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. The account will be charged for renewal within 24 hours prior to the end of the current period, and we will identify the cost of the renewal. Subscriptions may be managed by the user, and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. No cancellation of the current subscription is allowed during the active subscription period. Terms of Service: http://shellinfra.com/tos.html Privacy Policy: http://shellinfra.com/privacy-policy.html If you have any questions, please email shellinfra01@gmail.com. Thanks for using this app !!!

About

PrepLibrary

Features
Read full description

PrepLibrary – Learn, Share & Grow PrepLibrary is your companion for smarter exam preparation. Organize your studies, attend live classes, practice mock tests, set personalized study goals, and stay focused on your academic journey—all in one learning platform. Whether you are preparing for competitive examinations, entrance tests, professional certifications, or academic assessments, PrepLibrary helps you plan your preparation, practice consistently, and track your progress. KEY FEATURES Virtual Classrooms Join live online classes and learning sessions from anywhere. Participate in structured learning experiences and stay connected with your classes and study activities. Interactive Test Series Practice with online tests and mock examinations to assess your preparation. Review your performance, identify areas for improvement, and work toward better results. Personalized Study Goals Set study goals based on your learning needs. Organize your preparation, plan your study activities, and track your progress toward your academic objectives. Focus Sessions Create dedicated study sessions using timers and productivity tools. Build consistent study habits and make the most of your planned study time. Focus Mode / Focus Shield Reduce distractions during your study sessions with Focus Mode, also known as Focus Shield. Select apps you want to avoid while studying and use focus restrictions to help you stay on track during an active session. Progress Tracking Keep track of your study activities, test performance, and learning progress. Understand your strengths, identify topics that need more attention, and plan your next steps. Community-Based Learning Connect with fellow learners through community features that encourage discussion, collaboration, peer interaction, and knowledge sharing. BUILT FOR YOUR LEARNING JOURNEY PrepLibrary brings together essential tools for a more organized and productive approach to learning: • Attend live classes and learning sessions. • Practice mock tests and assess your preparation. • Set personalized study goals. • Create focused study sessions. • Reduce distractions during study time. • Monitor your learning progress. • Connect and learn with a community of students. Whether you are attending a class, preparing for an examination, practicing a mock test, or working toward your daily study goals, PrepLibrary helps you make your study time more purposeful. PrepLibrary – Plan your preparation. Stay focused. Practice consistently. Track your progress.

Screenshots

Doc Scanner4 screens
PrepLibrary3 screens

Verdict

The call

The clearest difference is in-app purchases: PrepLibrary at none against Doc Scanner's 2. PrepLibrary also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). Doc Scanner's advantage is iOS requirement (15.0 vs 17.6). On price and device support 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. Doc Scanner sells 2 in-app purchases, starting at $1.99 per month. PrepLibrary asks for nothing beyond the download.

UpkeepUpdate frequency

Doc Scanner ships an update every 2 months, PrepLibrary every 4 days. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 6 level
Doc Scanner versus PrepLibrary: the parameters behind the verdict, then further details
ParameterDoc ScannerPrepLibrary
PriceFreeFree
Rating4.6 (58 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings58 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size23 MB250 MB
Age rating4+12+
DeveloperSHELL INFRASTRUCTURE PRIVATE LIMITEDPREPLIBRARY LLP

In-app purchases

2 purchases

Doc Scanner

Subscriptions2
  • 1 Month$1.991 Month
  • 1 Year (3 Days Trial)3 Days trial$11.991 Year
None

PrepLibrary

No in-app purchases

Questions

Is Doc Scanner free?
Doc Scanner is free to download, with in-app purchases available.
Is PrepLibrary free?
PrepLibrary is free to download, with no in-app purchases.
Do Doc Scanner or PrepLibrary have ads?
Doc Scanner shows ads; PrepLibrary does not.
Which is updated more often, Doc Scanner or PrepLibrary?
Doc Scanner ships an update every 2 months, and PrepLibrary every 4 days. Most recently, Doc Scanner was updated on November 11, 2026 and PrepLibrary on November 10, 2026.

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