Comparison

Calendar.online vs Supercal Calendar

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

Head to head
About

Calendar.online

This free online calendar facilitates team collaboration with shareable access links. Manage permissions, set passwords, and customize views for seamless group scheduling. Access your calendar from any device with a simple bookmark.

Highlights
  • Shareable access links
  • Role-based permissions (admin, editor, reader)
  • Password protection for links
  • Customizable access link views
  • Dashboard for managing calendars
  • Device bookmarking
Features
Read full description

Our product is a free online calendar for teams and groups with easy access via access links without login. An access link is structured according to the following scheme: https://calendar.online/68dbf6166ace2865ccd7 Each access link has a specific permission. E.g. administrator, editor or reader. Use the admin link to manage your calendar. You can save this link as a bookmark on all your devices, for example. You could forward the editor or reader link to your teammates. Additional settings can be made for each access link. For example: - Permissions for specific sub-calendars - Password protection for extra security - Default access link view (for example 'day', 'week' and so on) - Custom access links. For example: https://calendar.online/sports In the dashboard view of the app you can add existing access links or register a new calendar. In this case, the admin link will be added automatically on the dashboard. You can access the dashboard from the calendar at any time using the button in the top left corner. To open the settings of a calendar, please open the calendar via the administrator link and then click on the gear symbol at the top right corner.

About

Supercal Calendar

A user-friendly calendar application offering a beautiful interface for managing events. It provides multiple views, quick actions for event manipulation, and robust recurrence options. Track hours with a built-in timesheet and export data to CSV.

Highlights
  • Multiple calendar views (List, Day, Week, Month)
  • Syncs with major calendar services
  • Quick actions for event manipulation
  • Advanced recurrence options
  • Built-in timesheet for hour tracking
  • Export timesheet data to CSV
  • Customizable themes and week start day
Features
Read full description

The user friendly Calendar app that shows your events in a beautiful interface. Easy and fast to navigate and create events. Perfect overview through List, Day, Week and Month views. 7 BEAUTIFUL VIEWS • List, Day 2x, Week 2x, Month 2x. • Landscape mode for all views. • Supports Larger Accessibility Sizes. EASY TO USE • Shows same events as the built-in calendar. • Syncs with iCloud, Exchange, Google calendar, Outlook, Yahoo, etc. • Move, copy, duplicate, check off, share and delete events with Quick actions. USEFUL FEATURES • Search that supports multiple words (Dinner Anne celebrate) • Timezone support. • Lock- and Home Screen Widgets. • Invites contacts and shows attendees. • Extensive recurrence options (1st Monday every month or every May, June and July on the 3rd and 22nd). TIMESHEET Keep track of hours in calendar entries. Count hours by date interval, calendar, keywords, tags and export to CSV file. LOTS OF OPTIONS • Week starts any day of the week. • Week numbers (ISO / European, US and Middle East). • Agenda reads left-right or top-down. • Defaults for new events. • Choice of 15 colours themes. BIRTHDAYS FROM CONTACTS • Birthdays show age and contact information. • Tap on a birthday to phone/email/sms the contact. Try the app for free for a limited time. No subscriptions, you buy the “Full app” once. Privacy Policy: https://devart.nl/supercal/privacy.html Terms of Use (EULA): https://apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calendar.online4 screens
Supercal Calendar4 screens

Verdict

The call

The clearest difference is review sentiment: Calendar.online at 94% against Supercal Calendar's 50%. Calendar.online also leads on in-app purchases (none vs 2) and rating (4.7 vs 4.4). Supercal Calendar's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, 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. Supercal Calendar sells 2 one-off in-app purchases. Calendar.online asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calendar.online holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 40 and 50 respectively. Written reviews point the same way: 94% of Calendar.online's written reviews are positive against 50% of Supercal Calendar's.

UpkeepUpdate frequency

Calendar.online ships an update every 2 months, Supercal Calendar every 2 weeks. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Calendar.online versus Supercal Calendar: the parameters behind the verdict, then further details
ParameterCalendar.onlineSupercal Calendar
PriceFreeFree
Rating4.7 (40 ratings) — better4.4 (50 ratings)
Positive reviews94.1% of reviews — better50.0% of reviews
Number of ratings4050 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size67 MB9 MB
Age rating4+4+
DeveloperKalender.digitalDevart B.V.

Customer experience

Calendar.online

All ratings40 ratings
Positive90.0%
Neutral5.0%
Negative5.0%
Written reviews17 reviews
Positive94.1%
Neutral5.9%
Negative0.0%

Supercal Calendar

All ratings50 ratings
Positive86.0%
Neutral4.0%
Negative10.0%
Written reviews12 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

Calendar.online

No in-app purchases

2 purchases

Supercal Calendar

One-time2
  • Free trial for 7 daysFree
  • Full app$3.99

Questions

Is Calendar.online free?
Calendar.online is free to download, with no in-app purchases.
Is Supercal Calendar free?
Supercal Calendar is free to download, with in-app purchases available.
Which has better reviews, Calendar.online or Supercal Calendar?
Calendar.online is rated higher. Calendar.online averages 4.7 out of 5 from 40 ratings, while Supercal Calendar averages 4.4 from 50 ratings.
Do Calendar.online or Supercal Calendar have ads?
Neither Calendar.online nor Supercal Calendar shows ads.
Which is updated more often, Calendar.online or Supercal Calendar?
Calendar.online ships an update every 2 months, and Supercal Calendar every 2 weeks. Most recently, Calendar.online was updated on November 3, 2026 and Supercal Calendar on November 3, 2026.

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