Calendars by Readdle

8.9easy start · #11 of 197
in Calendar apps

Free to practise onyes
Free trialyes
Well documentedyes
Runs where you worknot on record

Runs on iOS, Mac. Paid plans from $1.67/mo.

Calendars by Readdle is ranked #11 of 197 in calendar apps on The Geeks Club, made by Calendars by Readdle (Ukraine). It runs on iOS, macOS. There is a free plan. A free trial is offered. Paid plans start at $1.67/mo.

Calendars by Readdle plans and pricing

All plans

Free Free Basic calendar apphelp.readdle.com · 20 Sept 2026

PRO $19.99/yr billed annually Planner on Mac · Tasks · Multiple accounts · Recurring events · Natural-language input · Reminders apphelp.readdle.com · 20 Sept 2026

Lifetime $59.99/mo US pricing; prices in other regions may vary due to exchange rates and taxes Lifetime access · Continuous support · Family Sharing readdle.com · 20 Sept 2026

Free Free Basic calendar support.readdle.com · 8 Oct 2026

Calendars PRO Not published Subscription; exact price varies by region and local taxes and is shown in the app Across Mac, iPhone, iPad, and Apple Watch · Planner on Mac · Tasks · Multiple accounts · Recurring events · Pro color-coding · Sidebar customization · Rooms and teammates schedules · Natural language input · Reminders · Weather updates · Interesting calendars support.readdle.com · 8 Oct 2026

Compared on calendar apps

Free plan: Yes
Shared calendars: Yes
Time blocking: Yes
Calendar sync: two_way
Mobile apps: ios
Video meeting support: Yes

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The record

Purpose: Calendars combines calendars, events, tasks, planning, and habit tracking in one app.
Natural language: Natural Language Input turns plain text into an event with its time, location, and contact.
Calendar integrations: The app connects Google Calendar, Outlook, Exchange, iCloud, Apple Reminders, and Google Tasks.
Video meetings: Users can join Zoom, Google Meet, and other video meetings from the calendar.
Sharing: Users can share calendars with family, friends, or colleagues and receive real-time updates.
Offline use: Users can view and update calendars offline, with changes syncing when they reconnect.
Platforms: The product page describes native apps for iPhone, iPad, and Mac, with syncing across Apple devices.
Plan limits: The free plan provides a basic calendar; the listed PRO features include tasks, multiple accounts, and cross-device access.
Security: Readdle says it follows GDPR obligations, holds ISO/IEC 27001:2022-certified security, and encrypts data in transit and at rest.
AI data: The privacy notice says Calendars does not use user data to train AI models, and relevant data shared with AI providers may be retained for up to 30 days for abuse monitoring.
Support: Calendars provides a help center with getting-started guides, tutorials, troubleshooting, billing, and privacy and security articles.
Intended users: Readdle says Calendars is used by students, doctors, and business owners to manage busy schedules.
Founded: 2007
Price from: $1.67/mo

Where it ranks on The Geeks Club

Best Calendar Apps in 2026#11 of 197

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Sources

readdle.com/calendars· checked 8 Oct 2026
support.readdle.com/calendars/billing-subscription/free-vs-· checked 8 Oct 2026
support.readdle.com/calendars/privacy-security/data-and-sec· checked 8 Oct 2026
readdle.com/calendars/legal/privacy· checked 8 Oct 2026
support.readdle.com/calendars· checked 8 Oct 2026
readdle.com/about· checked 8 Oct 2026
apphelp.readdle.com/calendars/· checked 20 Sept 2026
readdle.com/blog/calendars-lifetime-purchase-option· checked 20 Sept 2026