Alternatives · Calendar
One Calendar alternatives
One Calendar compared with 6 alternatives: DigiCal, Business Calendar 2, CalenGoo, aCalendar, Google Calendar and 1 more.
One Calendar has a free plan. Paid plans start at $5.99 one-time per platform (App Store or Google Play). 5 of the 6 alternatives are free or have a free plan. One more offers a free trial.
6 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| One CalendarThis tool | Free plan · from $5.99 one-time | Yes | macOS, Windows, iOS, Android |
| DigiCal | Free plan · from $5.49 one-time | Yes | Android |
| Business Calendar 2 | Free plan · from $1.49 | Yes | Android |
| CalenGoo | Free trial · from $5.99 one-time | Trial only | macOS, Windows, Linux, iOS, Android |
| aCalendar | Free plan · from $2.49 one-time | Yes | Android |
| Google Calendar | Free plan · from $7/mo | Yes | Web, iOS, Android |
| Rainlendar | Free plan · from €9.95 one-time | Yes | macOS, Windows, Linux |
How each one differs from One Calendar
- Free plan · from $5.49 one-time
DigiCal
Android calendar with seven views, widgets and weather forecasts
- DigiCal starts at $5.49 one-time for DigiCal+ on Google Play. One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- Only One Calendar lists iOS, macOS and Windows apps.
Suits: Android users who want more views and widgets than the stock calendar
- Free plan · from $1.49
Business Calendar 2
Android calendar and task app with widgets and a Pro upgrade
- Business Calendar 2 starts at $1.49 to $8.99 per in-app purchase on Google Play; billing basis not shown. One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- Only One Calendar lists iOS, macOS and Windows apps.
- One Calendar can be bought with a one-time purchase.
- Business Calendar 2 also covers templates and tasks.
Suits: Android users who want more views and widgets than a stock calendar app
- Free trial · from $5.99 one-time
CalenGoo
Highly configurable calendar and task app sold as a one-time purchase
- CalenGoo starts at $5.99 one-time for Android; $6.99 for iOS; $49.99 for the desktop app. One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- One Calendar has a free plan. CalenGoo does not, though it has a free trial.
- Only CalenGoo lists a Linux app.
- CalenGoo also covers templates, tasks and natural-language input.
Suits: Google Calendar users who want more views and settings than Google's own apps
- Free plan · from $2.49 one-time
aCalendar
Android calendar with widgets, tasks and one-time upgrades
- aCalendar starts at $2.49 to $11.99 per one-time in-app upgrade; aCalendar+ is $11.99. One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- Only One Calendar lists iOS, macOS and Windows apps.
- aCalendar also covers tasks.
Suits: Android users who want a full calendar without a subscription
- Free plan · from $7/mo
Google Calendar
Online calendar from Google, free with a personal account
- Google Calendar starts at $7 per user / month with a 1-year commitment (Workspace Business Starter). One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- Only Google Calendar lists a web app.
- Only One Calendar lists macOS and Windows apps.
- One Calendar can be bought with a one-time purchase.
- Google Calendar also covers tasks and booking links.
Suits: Anyone who already has a Google Account and wants a free calendar
- Free plan · from €9.95 one-time
Rainlendar
Skinnable desktop calendar for Windows, Mac and Linux
- Rainlendar starts at €9.95 one-time for a lifetime Rainlendar Pro license. One Calendar starts at $5.99 one-time per platform (App Store or Google Play).
- Only Rainlendar lists a Linux app.
- Only One Calendar lists Android and iOS apps.
- Rainlendar also covers tasks.
Suits: People who want upcoming events and tasks always visible on the desktop
Limits worth knowing in One Calendar
- A Premium license is needed per platform group: Android, iOS and Windows are each bought separately, because the stores do not allow cross-platform licensing.
- The free version syncs 6 months of past appointments and leaves out search, theming and appointment colors.
- The Microsoft Store page lists the Windows app as free with in-app purchases but does not show the Premium price.
- No web or Linux version is listed. Printing and automatic day rollover are Windows-only Premium features.
Common questions
What are the alternatives to One Calendar?
The alternatives to One Calendar in this directory are DigiCal, Business Calendar 2, CalenGoo, aCalendar, Google Calendar and Rainlendar. Each one has a side-by-side comparison with One Calendar.
Is there a free alternative to One Calendar?
Yes. DigiCal, Business Calendar 2, aCalendar, Google Calendar and Rainlendar have a free plan alongside paid ones.
Which One Calendar alternatives work on Linux?
The One Calendar listing does not include a Linux app. CalenGoo and Rainlendar list one.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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