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WordPress plugin comparison

Post Duplicator vs Similar Posts Ontology

At a glance

  • Post Duplicator has more active installs: 200K+, against 50+ for Similar Posts Ontology.
  • On a typical day, Post Duplicator is downloaded about 4,530 times, Similar Posts Ontology about 3.
  • Similar Posts Ontology is rated higher: 5.0 out of 5 from 2 reviews, against 4.8 from 80 reviews.
  • Post Duplicator was updated more recently: Nov 4, 2026, against Dec 16, 2025 for Similar Posts Ontology.
  • Post Duplicator is tested with a newer WordPress: 7.1.4, against 6.9.11 for Similar Posts Ontology.
  • Post Duplicator has been around longer: since 2012, against 2015 for Similar Posts Ontology.

Line by line

Post Duplicator leads on 6 of 7 comparable lines.

MetricPost DuplicatorSimilar Posts Ontology
Popular rank#219#20,952
Active installs200K+50+
Downloads, last 30 days163.6K56
Rating4.8(80)5.0(2)
Support threads resolved100%–
Tested up to7.1.46.9.11
Search multiplier×1.46×0.21
Last release6 days ago10 months ago
Requires PHP7.4–

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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