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Calendars by Readdle alternatives · Calendar

Self-hosted alternatives to Calendars by Readdle

The Calendars by Readdle listing does not say it can be self-hosted. 4 of the 75 other calendar and scheduling apps in this directory can be self-hosted, according to their own sites.

Calendars by Readdle has a free plan. Paid plans start at $19.99 per year, or $3.99 per month (US App Store in-app purchases). All of them are free or have a free plan.

4 tools · Listings checked up to Oct 9, 2026 · Where the facts come from

How each one differs from Calendars by Readdle

  1. Timeful

    Free, open-source group availability poll with calendar autofill

    • Timeful is free. Calendars by Readdle starts at $19.99 per year, or $3.99 per month (US App Store in-app purchases).
    • Only Timeful lists a web app.
    • Only Calendars by Readdle lists macOS and iOS apps.
    • Timeful is open source and self-hostable, according to its own site.
    Timeful pricing and details

  2. Cal.com

    Scheduling platform with a free plan, API and embeds

    • Cal.com starts at $12 per user / month, billed yearly ($16 billed monthly). Calendars by Readdle starts at $19.99 per year, or $3.99 per month (US App Store in-app purchases).
    • Only Cal.com lists a web app.
    • Only Cal.com lists Windows, Linux and Android apps.
    • Only Cal.com lists a browser extension.
    Cal.com pricing and details

  3. Rallly

    Open-source meeting polls for finding a time that suits a group

    • Rallly starts at $6 per seat / month, billed yearly ($10 billed monthly). Calendars by Readdle starts at $19.99 per year, or $3.99 per month (US App Store in-app purchases).
    • Only Rallly lists a web app.
    • Only Calendars by Readdle lists macOS and iOS apps.
    • Rallly is open source and self-hostable, according to its own site.
    Rallly pricing and details

  4. Crab Fit

    Free, open-source availability heat map for group events

    • Crab Fit is free. Calendars by Readdle starts at $19.99 per year, or $3.99 per month (US App Store in-app purchases).
    • Only Crab Fit lists a web app.
    • Only Crab Fit lists an Android app.
    • Only Crab Fit lists a browser extension.
    Crab Fit pricing and details

Common questions

Is there a self-hosted alternative to Calendars by Readdle?

Yes. Timeful, Cal.com, Rallly and Crab Fit can be self-hosted, according to their own sites.

Can Calendars by Readdle be self-hosted?

The Calendars by Readdle listing does not say it can be self-hosted. The listing was checked on Oct 5, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Calendars by Readdle: the alternatives its listing names first, then the tools that share the most features with it.