Marker.io – Visual Website Feedback vs Testimonial Slider (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Marker.io – Visual Website Feedback
4.0K+ active installs
Free
Quick Verdict
As of April 2026, Marker.io – Visual Website Feedback has a higher user rating (5/5 from 42 reviews) and leads in active installations (4.0K+ vs 3.0K+). Both are free WordPress plugins. Marker.io – Visual Website Feedback has accumulated 259K+ total downloads while Testimonial Slider has 184K+.
Detailed Comparison
| Metric | Marker.io – Visual Website Feedback | Testimonial Slider | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 4.2/5 |
| Total Reviews | 42 | ► | 69 |
| Active Installs | 4.0K+ | ◄ | 3.0K+ |
| Total Downloads | 259K+ | ◄ | 184K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 3 months ago | ► | 1 week ago |
| First Released | 2021 | 2013 | |
| Age | 5 years | 13 years | |
| WP Requires | 4.7+ | 4.2+ | |
| PHP Requires | 5.6+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 1.2.2 | 1.3.3 |
Rating Breakdown
Marker.io – Visual Website Feedback
Testimonial Slider
Download Trends
Over the past 30 days, Marker.io – Visual Website Feedback averaged approximately 188 daily downloads while Testimonial Slider averaged 9.
Recent Reviews
Marker.io – Visual Website Feedback Reviews
Works like a charm!
Does everything we need, super easy to setup and handy that it pipes straight into Linear for task management!
Plugin did not connect to Marker.io
This plugin could not connect to my project on the Marker.io website (even though it did create one). I tried using the Project ID also to no avail. …But then I figured out it would work if I tur
Works great!
Out of the box
Testimonial Slider Reviews
Doesn’t work and won’t uninstall
Couldn’t figure out how it works and don’t have time to waste trying to figure it out. Tried to delete it and it won’t delete. Caused ‘critical error’ when I tried to delete it.
Great plugin
worked first time, no issues, thank you 🙂
Awesome Plugin
Awesome Plugin
More Feedback Worth Comparing
Top alternatives in the same category as Marker.io – Visual Website Feedback and Testimonial Slider
Ultimate user feedback plugin to ask questions, surveys, polls, from your website in seconds
kk Star Ratings allows blog visitors to involve and interact more effectively with your website by rating posts.
Voting buttons that let your visitors give instant feedback. See what your audience loves with no registration, no friction, just one click.
Create free online surveys and get your visitors' feedbacks directly on your WordPress website with WordPress Survey Plugin
Provides a secure connection between your SureFeedback parent and client sites, syncing identities for WordPress-based commenting.
Decent Comments shows what people say. A more engaging way to show comments.
Frequently Asked Questions
Is Marker.io – Visual Website Feedback or Testimonial Slider more popular?
Which has better ratings — Marker.io – Visual Website Feedback or Testimonial Slider?
Are Marker.io – Visual Website Feedback and Testimonial Slider free?
Which plugin has better support — Marker.io – Visual Website Feedback or Testimonial Slider?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.