Advanced iFrame vs UseStrict's Calendly Embedder (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
UseStrict's Calendly Embedder
2.0K+ active installs
Free
Quick Verdict
As of April 2026, UseStrict's Calendly Embedder has a higher user rating (5/5 from 3 reviews) while Advanced iFrame leads in active installations (40K+ vs 2.0K+). Both are free WordPress plugins. Advanced iFrame has accumulated 2.4M+ total downloads while UseStrict's Calendly Embedder has 25K+.
Detailed Comparison
| Metric | Advanced iFrame | UseStrict's Calendly Embedder | |
|---|---|---|---|
| Rating | 4.3/5 | ► | 5/5 |
| Total Reviews | 55 | ◄ | 3 |
| Active Installs | 40K+ | ◄ | 2.0K+ |
| Total Downloads | 2.4M+ | ◄ | 25K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 1 month ago | ◄ | 4 months ago |
| First Released | 2011 | 2021 | |
| Age | 15 years | 5 years | |
| WP Requires | 5.5+ | 4.5+ | |
| PHP Requires | 7.4+ | 7.4+ | |
| Business Model | Free | Free | |
| Latest Version | 2026.0 | 1.2 |
Rating Breakdown
Advanced iFrame
UseStrict's Calendly Embedder
Download Trends
Over the past 30 days, Advanced iFrame averaged approximately 1,018 daily downloads while UseStrict's Calendly Embedder averaged 12.
Recent Reviews
Advanced iFrame Reviews
Horrible, invasive, clunky
What a horrible, clunky, and invasive plugin. Every wp-admin page refresh I get an admin notice that takes up half my screen and after a few seconds gets smaller with a weird animation. To get this no
Just what we needed
Fast to install and grasp. Feature rich = future proof. We’re happy.
Excellent and can’t do without
Used extensively with other apps in domain without hiccup. Been using for years and will continue to do so.
UseStrict's Calendly Embedder Reviews
Fantastic little plugin
Was having real issues getting Calendly to populate from query strings until I used this! Great plugin.
Simple to Use and Works Perfectly
I wanted to install Calendly on my podcast site for approved guests to be able to book a time. I didn’t want them to have to click a link to open a tab into my calendar. After trying a few different m
Simple and works great!
Thank you, made it very easy to embed the Calendly calendar.
More Plugins Worth Comparing
Top alternatives in the same category as Advanced iFrame and UseStrict's Calendly Embedder
EmbedPress lets you embed videos, pages, social feeds, embed PDF 3D flipbooks & other content on WordPress without coding & enhance storytelling.
Insert Pages lets you embed any WordPress content (e.g., pages, posts, custom post types) into other WordPress content using the Shortcode API.
Level up your basic video embeds! Advanced features, privacy. Use URLs, Shortcodes or Blocks to customize videos to your needs.
A Compact WP Audio Player Plugin that is compatible with all major browsers and devices (Android, iPhone, iPad)
Frequently Asked Questions
Is Advanced iFrame or UseStrict's Calendly Embedder more popular?
Which has better ratings — Advanced iFrame or UseStrict's Calendly Embedder?
Are Advanced iFrame and UseStrict's Calendly Embedder free?
Which plugin has better support — Advanced iFrame or UseStrict's Calendly Embedder?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.