Comparison

Calendar vs Read Master

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

Head to head
About

Calendar

Organize your day, week, and year with this comprehensive planner. It offers a daily planner, task management with subtasks, and note-taking capabilities. Syncs with popular calendar services and provides interactive widgets for quick access.

Highlights
  • Daily, weekly, monthly, yearly views
  • Task breakdown into subtasks
  • Voice and text note-taking
  • Syncs with Google, iCloud, Outlook
  • Interactive home screen widgets
  • App lock for privacy
Features
Read full description

CALENDAR, TASKS, AND NOTES Calendar at the center. Tasks and notes right beside it. This is a simple, easy-to-use calendar that helps you stay in control of your day. Tasks and notes are built in, so you can plan everything in one place. No clutter. Just what you really need every day. Plan faster and more clearly • Create events in seconds • Day, week, month, and year views in one place • Easily adjust event times with drag and drop • Clear visual overview of your schedule • Works online and offline • Full sync with iCloud, Google, Outlook, Office365, and other calendars Flexibility that makes planning easier • Customizable bottom navigation — keep only the features you use most • Two week layouts: classic and agenda style • Flexible multi-day view (2 to 14 days) and three month view formats • Widgets, themes, and interface personalization • Clear structure without feeling overloaded Everything in one place • Tasks — simple lists and clear structure • Subtasks and category-based organization • Notes — list view or board view • Quick creation and editing • Seamless connection between events, tasks, and notes Free features • Core calendar features • Sync with Reminders • Widgets and interface customization • Recurring events and tasks • Custom week formats • Backup • Unlimited notes PRO features • Voice input for events, tasks, and notes • File attachments • Convert between events, tasks, and notes • Sharing and forwarding • Unlimited data and advanced features • App lock For everyday planning This calendar helps you organize events, tasks, and notes without extra complexity or unnecessary steps. Support planner@plantech.app Terms of Use https://mccalendar.app/terms_of_use.html Privacy Policy https://mccalendar.app/privacy_policy.html

About

Read Master

Features
Read full description

Open, view and manage all your documents quickly, without needing multiple apps installed. With Read Master you can open almost any file format: PDF, Word (DOC/DOCX), Excel (XLS/XLSX), PowerPoint (PPT/PPTX), TXT, P7M (digitally signed files), images, and many more. FEATURES: • Open PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX, TXT and P7M files • Fast and lightweight file viewer • Built-in file manager to browse all documents on your device • Simple, clean and intuitive interface • Search for files by name or type • Recent files list for quick access • Share documents easily with other apps • Works offline, no internet connection required to view files • Supports digitally signed P7M documents, ideal for legal and administrative files Whether you need to check a PDF contract, review a signed P7M document, open an Office file sent by email, or simply browse the files stored on your phone, Read Master gives you a single, reliable tool to do it all. No clutter, no unnecessary permissions — just a fast, dependable document reader designed to make your daily file management easier. Download Read Master today and keep all your documents organized and accessible in one place! PDF EDITOR AND SIGNATURE: • Tap a line of text and rewrite it, right on the page • Add text with size, colour and bold • Whiteout, highlight, underline, strikethrough, shapes, free drawing • Draw your signature and drag it exactly where it belongs, resize it, add several • Fill in PDF forms and save them • Undo and redo, then save as a new PDF • Two compression levels: light (keeps the text) or strong (smaller scans) • Interface in 10 languages, right-to-left for Arabic Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gist.github.com/alutori-lang/2ba10df05262d9141daa0c822b83bc20

Screenshots

Calendar4 screens
Read Master4 screens

Verdict

The call

The clearest difference is ads: Calendar at none against Read Master's shown. Read Master's advantage is update cadence (weekly vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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. Calendar sells 3 in-app purchases, starting at $1.99 per month and Read Master sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calendar ships an update every 5 weeks, Read Master weekly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Calendar versus Read Master: the parameters behind the verdict, then further details
ParameterCalendarRead Master
PriceFreeFree
Rating4.6 (35 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings35 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size302 MB40 MB
Age rating4+4+
DeveloperPlanning Technologies LLCAdnan riaz

In-app purchases

3 purchases

Calendar

Subscriptions2
  • Full Access for a Month$1.991 Month
  • Full Access for a Year7 Days trial$14.991 Year
One-time1
  • Full Access Forever$29.99
3 purchases

Read Master

Subscriptions2
  • Premium Monthly$3.991 Month
  • Premium Yearly7 Days trial$22.991 Year
One-time1
  • Premium Lifetime$24.99

Questions

Is Calendar free?
Calendar is free to download, with in-app purchases available.
Is Read Master free?
Read Master is free to download, with in-app purchases available.
Do Calendar or Read Master have ads?
Read Master shows ads; Calendar does not.
Which is updated more often, Calendar or Read Master?
Calendar ships an update every 5 weeks, and Read Master weekly. Most recently, Calendar was updated on October 24, 2026 and Read Master on October 24, 2026.

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