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WordPress plugin comparison

HarborBook vs Koalendar

At a glance

  • Koalendar has more active installs: 1K+, against fewer than 10 for HarborBook.
  • On a typical day, Koalendar is downloaded about 30 times, HarborBook about 3.
  • HarborBook has no reviews yet.
  • HarborBook was updated more recently: Sep 7, 2026, against Sep 5, 2026 for Koalendar.
  • Both are tested up to WordPress 7.1.4.
  • Koalendar has been around longer: since 2021, against 2026 for HarborBook.

Line by line

Koalendar leads on 4 of 5 comparable lines.

MetricHarborBookKoalendar
Popular rank#58,050#6,877
Active installsFewer than 101K+
Downloads, last 30 days47520
RatingNo ratings5.0(9)
Support threads resolved––
Tested up to7.1.47.1.4
Search multiplier×0.05×0.63
Last release2 months ago2 months ago
Requires PHP8.1–

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

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