Formstack vs 123 Contact Form

Here is a comparison between Online Form Builders products 123 Contact Form & Formstack.
The comparison details include features, reviews, ratings and pricing.

Product Name Formstack 123 Contact Form Gravity Forms
Editor's Rating




Website Website Website Website
Price US$39/mo US$0.00/mo US$39/yr
Review Read Read Read

Offers the complete tool to build a good online form that helps to improve your conversion rate. With comprehensive A/B split testing, you can increase the effectiveness of your form over time.

Allows you to create any type of form that you can use anywhere online in a few simple steps. It provides a drag-and-drop form creation tool, along with complete analytics to monitor the performance of your forms.

Allows you to create unlimited forms with unlimited entries, with various available add-ons and spam protection features. It helps to simplify the creation of even complex forms for your WordPress website.


The Silver and Gold plans only offers limited features, with limited forms and form submissions. The full features are only available on the most expensive plan, with quite an expensive monthly price.

Can not create unlimited forms with this software unless you subscribe to the most expensive monthly plan.

Can only be used in self-hosted WordPress installations, which means that you cannot use this software in any other web platforms. You need to renew the license of the software yearly if you want to keep receiving updates and support.


Formstack allows you to create smart web forms that help to improve your conversion rate.

123ContactForm is an online form builder software that allows you to create HTML forms easily, with built-in security, automation, and payment integration features.

Gravity Forms is a WordPress form builder software that allows you to create unlimited forms with unlimited entries.

Form Builder Features
Drag n Drop
Form Security
A/B Testing
Payment Integration 9 10+
3rd Party Apps 30+
Branch Forms
Form Rules
File Upload
Sub-domain NA
Field Validation
Deployment Cloud Cloud Self Hosted
Support Options 2 4 3
Free Trial 14 Days
Quick Overview
Market Strength 69 63 54
Feature Strength 75 88 55