Post Duplicator vs Similar Posts Ontology (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Similar Posts Ontology has a higher user rating (5/5 from 2 reviews) while Post Duplicator leads in active installations (200K+ vs 50). Both are free WordPress plugins. Post Duplicator has accumulated 4.7M+ total downloads while Similar Posts Ontology has 3.5K+.
Detailed Comparison
| Metric | Post Duplicator | Similar Posts Ontology | |
|---|---|---|---|
| Rating | 4.8/5 | ► | 5/5 |
| Total Reviews | 80 | ◄ | 2 |
| Active Installs | 200K+ | ◄ | 50 |
| Total Downloads | 4.7M+ | ◄ | 3.5K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 2 days ago | ◄ | 3 months ago |
| First Released | 2012 | 2015 | |
| Age | 14 years | 11 years | |
| WP Requires | 6.6+ | 4.0.0+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 3.0.14 | 2.1 |
Rating Breakdown
Post Duplicator
Similar Posts Ontology
Download Trends
Recent Reviews
Post Duplicator Reviews
Excellent support.
Problem was solved the same day.Thanks
Effortless Content Duplication & Workflow Booster
Post Duplicator is a powerful and intuitive WordPress plugin that streamlines your content workflow by instantly cloning any post type-including custom posts, taxonomies, and metadata-while preserving
Good simple utility
Does what the name promises: allows you to quickly duplicate pages and posts, good for experimenting with big changes. Dev is quick to respond and fix bugs.
Similar Posts Ontology Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.