Comparison

ExcalidrawZ vs PrepLibrary

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

Head to head
About

ExcalidrawZ

This app enhances a popular web-based drawing tool by adding essential file management features. It offers automatic saving, file grouping, and cloud synchronization to ensure your creations are always accessible and secure across devices.

Highlights
  • Automatic file saving
  • File grouping
  • iCloud backup
  • Cross-device synchronization
  • Enhanced security for drawings
Features
Read full description

ExcalidrawZ is a native Excalidraw client for Mac, iPad, and iPhone, designed for hand-drawn whiteboards, diagrams, sketches, visual notes, and technical explanations. It keeps the familiar Excalidraw canvas experience, then adds native file management, iCloud sync, history, import and export tools, and Apple-platform interactions around it. Hand-drawn whiteboards and diagrams - Create flowcharts, architecture diagrams, wireframes, study notes, and visual sketches - Work with the familiar hand-drawn Excalidraw style - Use Apple Pencil, keyboard shortcuts, mouse, and trackpad controls - Continue editing across Mac, iPad, and iPhone Manage Excalidraw files - Autosave drawings managed inside the app - Organize work with groups, sorting, and local folders - Sync app-managed files across devices with iCloud - Review file history and restore important versions - Open and edit .excalidraw, .excalidraw.png, and .excalidraw.svg files Import, export, and share - Import PDFs and organize them on the canvas - Convert Mermaid diagrams into editable Excalidraw content - Insert LaTeX formulas and function graphs - Export images, PDFs, Excalidraw files, and editable PNG/SVG files - Share through the clipboard, system share sheet, and backup archives More advanced tools - Use Excalidraw collaboration when drawing with others - Ask AI to understand, create, and revise canvas content - Preview AI-generated proposals before applying them to your real canvas - Lock sensitive files and control which content is visible to AI - Expose MCP services for compatible AI clients ExcalidrawZ is useful for product design, engineering notes, study diagrams, teaching, documentation, brainstorming, and everyday whiteboard work. Privacy Policy https://excalidrawz.chocoford.com/privacy/ Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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

ExcalidrawZ4 screens
PrepLibrary3 screens

Verdict

The call

The clearest difference is in-app purchases: PrepLibrary at none against ExcalidrawZ's 10. On price, update cadence, ads 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. ExcalidrawZ sells 10 in-app purchases, starting at $2.99 per month. PrepLibrary asks for nothing beyond the download.

UpkeepUpdate frequency

ExcalidrawZ ships an update weekly, PrepLibrary every 4 days. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

Scorecard1 real difference · 9 level
ExcalidrawZ versus PrepLibrary: the parameters behind the verdict, then further details
ParameterExcalidrawZPrepLibrary
PriceFreeFree
Rating4.2 (12 ratings) — better—
Positive reviews73.5% of reviews—
Number of ratings12 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size107 MB250 MB
Age rating4+12+
DeveloperChocoford TechPREPLIBRARY LLP

In-app purchases

10 purchases

ExcalidrawZ

Subscriptions8
  • Starter$2.991 Month
  • Pro$9.991 Month
  • Max 3×$29.991 Month
Show 5 more
  • Starter$29.991 Year
  • Max 10×$99.991 Month
  • Pro$99.991 Year
  • Max 3× (Yearly)$299.991 Year
  • Max 10× (Yearly)$999.991 Year
One-time2
  • Buy me a coffee$2.99
  • Buy me two coffee$4.99
None

PrepLibrary

No in-app purchases

Questions

Is ExcalidrawZ free?
ExcalidrawZ is free to download, with in-app purchases available.
Is PrepLibrary free?
PrepLibrary is free to download, with no in-app purchases.
Do ExcalidrawZ or PrepLibrary have ads?
Neither ExcalidrawZ nor PrepLibrary shows ads.
Which is updated more often, ExcalidrawZ or PrepLibrary?
ExcalidrawZ ships an update weekly, and PrepLibrary every 4 days. Most recently, ExcalidrawZ was updated on October 30, 2026 and PrepLibrary on November 10, 2026.

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