Fluent Forms – Customizable Contact… vs Formstack Online Forms (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Fluent Forms – Customizable Contact…
700K+ active installs
Free + Premium
Quick Verdict
As of April 2026, Fluent Forms – Customizable Contact… has a higher user rating (4.8/5 from 746 reviews) and leads in active installations (700K+ vs 1.0K+). Both are free + premium WordPress plugins. Fluent Forms – Customizable Contact… has accumulated 15M+ total downloads while Formstack Online Forms has 82K+.
Detailed Comparison
| Metric | Fluent Forms – Customizable Contact… | Formstack Online Forms | |
|---|---|---|---|
| Rating | 4.8/5 | ◄ | 2.5/5 |
| Total Reviews | 746 | ◄ | 8 |
| Active Installs | 700K+ | ◄ | 1.0K+ |
| Total Downloads | 15M+ | ◄ | 82K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | 4 days ago | ◄ | 6 years ago |
| First Released | 2017 | 2010 | |
| Age | 9 years | 16 years | |
| WP Requires | 6.4+ | 2.8+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 6.2.0 | 2.0.2 |
Rating Breakdown
Fluent Forms – Customizable Contact…
Formstack Online Forms
Download Trends
Over the past 30 days, Fluent Forms – Customizable Contact… averaged approximately 18,898 daily downloads while Formstack Online Forms averaged 9.
Recent Reviews
Fluent Forms – Customizable Contact… Reviews
gREAT pLUGIN
WORKS GREAT HIGLEY RECCOMENDED a MUST HAVE .
Such a poorly constructed plugin (hacks)
Just like most crappy plugins made by lazy developers, this one has all kinds of options then works in a super buggy manner. If you have two of the same forms on a page, they don’t worry correctly and
Very Good
ty
Formstack Online Forms Reviews
doesn’t work just errors out
For a system that asks a lot of money for their service, you would think they would keep their features up to date. Nope. Can’t use this plugin, it just errors out. Can’t even use their embed javascri
Not impressed – nothing works properly
It seem like you guys are trying to do too many things, but nothing works properly. Signed up with Formstack, your Drupal extension doesn’t work, this WordPress extension doesn’t work either. It sends
Doesn’t Work
The previous plugin worked fine. This won’t authenticate and won’t allow me access to my forms. When saving new API and client ID it gives me this: Warning: Invalid argument supplied for foreach() in
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Frequently Asked Questions
Is Fluent Forms – Customizable Contact… or Formstack Online Forms more popular?
Which has better ratings — Fluent Forms – Customizable Contact… or Formstack Online Forms?
Are Fluent Forms – Customizable Contact… and Formstack Online Forms free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.