Comparison

One Calendar vs Cloud Calendars

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

Head to head
About

One Calendar

Consolidate all your digital calendars into a single, easy-to-read view. Manage appointments, events, and birthdays from various providers like Google, Outlook, iCloud, and more, all within one application.

Highlights
  • Integrates multiple calendar providers
  • Easy-to-read overview
  • Manage appointments and events
  • View birthdays
  • Cross-platform availability
Features
Read full description

The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox.org, ownCloud and more. OneCalendar integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays. OneCalendar is available on all platforms.

About

Cloud Calendars

Consolidate your Google, iCloud, and Microsoft calendars with integrated weather forecasts. Plan your day efficiently with customizable widgets and multiple calendar views.

Highlights
  • Syncs Google, iCloud, and Microsoft calendars
  • Integrated weather forecasts
  • Customizable home screen widgets
  • Multiple calendar views (Day, Week, Month, Year, List)
  • Drag-and-drop event editing
  • Create Google Meet and Microsoft Teams links
Read full description

Plan Your Day with Calendar + Weather Together Cloud Calendars combines your calendars and weather into one beautifully organized planning experience. Manage iCloud, Google Calendar, and Microsoft calendars in a single app while seeing forecasts directly inside your schedule, widgets, and planning views. Stay ahead of meetings, travel, school pickups, outdoor activities, and busy days with calendar views designed for faster planning. HOME SCREEN WIDGETS Add beautiful widgets that combine: • Calendar events • Weather forecasts • Upcoming schedule • Moon phase and conditions • Wind and temperature • Daily agenda overview Choose from multiple widget styles to see your day directly from the Home Screen. WHY CLOUD CALENDARS • View iCloud, Google Calendar, and Microsoft calendars together • Plan with built-in weather forecasts • Use beautiful Home Screen widgets • Drag, move, and resize events naturally • Create Google Meet and Microsoft Teams links • Switch between Day, Week, Month, Year, and List views • Manage work and personal calendars in one place FEATURES All Your Calendars Together Connect and manage calendars from iCloud, Google Calendar, and Microsoft in one clean, color-coded experience. Weather Built Into Your Calendar See hourly and daily forecasts directly inside your planning workflow, including temperature, conditions, moon phase, wind, and weather icons. Calendar + Weather Widgets View your schedule and weather instantly from customizable Home Screen widgets. Multiple Calendar Views Choose Day, Week, Month, Year, or List view depending on how you plan your time. Easy Event Editing Tap, drag, and resize events directly on the calendar for fast and natural scheduling. Dedicated Weather View Explore detailed forecasts with hourly conditions and useful planning insights. Create Events from Forecasts Tap a forecast hour to instantly create a new event with the selected time. Built-In Meeting Links Quickly add Google Meet and Microsoft Teams links to events. PERFECT FOR • Work and personal calendar management • Weather-aware planning • Outdoor activities and travel • Busy schedules and family planning • Google Calendar and iCloud users • Microsoft calendar users Try Cloud Calendars and make every day easier to plan. SUBSCRIPTION INFORMATION Cloud Calendars offers auto-renewable subscriptions. Free Plan • Google Calendar sync • Multiple calendar views • Weather features • Widgets • Google Meet support Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel subscriptions in your App Store account settings. Privacy Policy: https://www.cloud-calendars.com/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

One Calendar4 screens
Cloud Calendars4 screens

Verdict

The call

The clearest difference is rating: One Calendar at 4.8 against Cloud Calendars's 4.4. One Calendar also leads on ratings volume (21K vs 9) and device support (4 vs 2). On price, update cadence, ads and in-app purchases 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. One Calendar sells 1 one-off in-app purchase and Cloud Calendars sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

One Calendar holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: One Calendar has 21K ratings behind it against 9, so its average is the more settled of the two.

UpkeepUpdate frequency

One Calendar ships an update fortnightly, Cloud Calendars every 3 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
One Calendar versus Cloud Calendars: the parameters behind the verdict, then further details
ParameterOne CalendarCloud Calendars
PriceFreeFree
Rating4.8 (21K ratings) — better4.4 (9 ratings)
Positive reviews80.7% of reviews—
Number of ratings21K — better9
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size89 MB43 MB
Age rating12+4+
DeveloperCode SparkArte Soft Ltd

Customer experience

One Calendar

All ratings20,632 ratings
Positive95.4%
Neutral3.2%
Negative1.4%
Written reviews830 reviews
Positive80.7%
Neutral8.6%
Negative10.7%

Cloud Calendars

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%

Bugs and requests

One Calendar

Reported bugs

5 issues
  • Sync errors
  • Unresponsive buttons
  • Incorrect time zone display
  • Duplicate events
  • Inability to delete future occurrences of recurring events

Requested features

6 requests
  • Multiple reminders for events
  • Ability to edit recurring events
  • Option to change event calendar after creation
  • Printing support
  • More customization options
Show 1 more
  • Widgets for better visibility

Cloud Calendars

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

One Calendar

One-time1
  • OneCalendar premium$5.99
4 purchases

Cloud Calendars

Subscriptions4
  • Advanced Monthly$0.491 Month
  • Advanced Yearly$4.991 Year
  • Premium Monthly$4.991 Month
Show 1 more
  • Premium Yearly$49.991 Year

Questions

Is One Calendar free?
One Calendar is free to download, with in-app purchases available.
Is Cloud Calendars free?
Cloud Calendars is free to download, with in-app purchases available.
Which has better reviews, One Calendar or Cloud Calendars?
One Calendar is rated higher. One Calendar averages 4.8 out of 5 from 21K ratings, while Cloud Calendars averages 4.4 from 9 ratings.
Do One Calendar or Cloud Calendars have ads?
Neither One Calendar nor Cloud Calendars shows ads.
Which is updated more often, One Calendar or Cloud Calendars?
One Calendar ships an update fortnightly, and Cloud Calendars every 3 weeks. Most recently, One Calendar was updated on September 25, 2026 and Cloud Calendars on September 20, 2026.

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