Calendars by Readdle alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Calendars by Readdle: apple platforms only, and premium features behind a subscription. We ranked 5 alternatives by how directly each one replaces Calendars by Readdle, then by reviews, real visits and how recently each app's facts were checked against its own website. Fantastical currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	Fantastical	Free plan + paid	No	macOS, iOS, Windows	5 of 5	66.5

1. FantasticalTop pick
Best for: Apple users who want the most refined calendar with natural-language input and tasks
Free plan + paidmacOS, iOS, Windows
66.5
score / 100
Why switch from Calendars by Readdle
More powerful natural-language input, task integrations and scheduling links.
Pros
Excellent natural-language event and task entry
Tasks from Reminders, Todoist and Google Tasks in one view
Calendar sets for switching contexts
Cons
Most useful features need a subscription
No Android app yet
Overkill if you only need a basic calendar
Visit Fantastical Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Fantastical a good Calendars by Readdle alternative?
Verified facts
5 of 5 verified
Free plan
Yes
Checked Oct 25, 2026flexibits.com(opens source in a new tab)
Free trial
14 days of Premium
Checked Oct 25, 2026flexibits.com(opens source in a new tab)
Family plan
Up to 5 members
Checked Oct 25, 2026flexibits.com(opens source in a new tab)
Task integrations
iCloud Reminders, Todoist, Google Tasks
Checked Oct 25, 2026flexibits.com(opens source in a new tab)
Android
Planned for 2027
Checked Oct 25, 2026flexibits.com(opens source in a new tab)

The best Calendars by Readdle alternative for…

The highest-ranked app in this list for each need.

Best Calendars by Readdle alternative for most people

Fantastical

More powerful natural-language input, task integrations and scheduling links.

Best Calendars by Readdle alternative for a free option

Apple Calendar

Built in and free, if you don't need tasks in the same view.

Best Calendars by Readdle alternative for a free plan you can upgrade

Structured

Visual timeline planner for laying out your day.

Best Calendars by Readdle alternative for Mac

BusyCal

One-time purchase power calendar for iPhone and Mac.

Best Calendars by Readdle alternative for Windows

Fantastical

More powerful natural-language input, task integrations and scheduling links.

Best Calendars by Readdle alternative for iPhone and Android

Google Calendar

Works across iPhone, Android and the web.

Best Calendars by Readdle alternative for working in the browser

Apple Calendar

Built in and free, if you don't need tasks in the same view.

Calendars by Readdle alternatives: common questions

What is the best alternative to Calendars by Readdle?

Fantastical ranks first right now. More powerful natural-language input, task integrations and scheduling links. Apple Calendar and BusyCal follow it in our ranking.

Is there a free alternative to Calendars by Readdle?

Yes. Fantastical (free plan + paid), Apple Calendar (free), Structured (free plan + paid) and Google Calendar (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Calendars by Readdle?

None of the 5 alternatives in this list is open source.

Why do people switch from Calendars by Readdle?

The complaints we hear most: apple platforms only; premium features behind a subscription; fewer power-user options than Fantastical.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Calendars by Readdle, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.