# Formstack Online Forms

> Formstack Online Forms has 1K+ active installs, a 2.5/5 rating from 8 reviews and 432 downloads in the last 30 days. Health score 29/100, keyword rankings, version adoption and the best alternatives.

**Verdict: Consider an alternative.** Formstack Online Forms shows warning signs in 2026 — compare the alternatives below before installing. It runs on 1K+ sites, is rated 2.5/5 and was last updated 7 years ago, and scores 29/100 on our health check.

**This plugin allows you to easily embed Web forms built with Formstack's online form builder into your sidebar, pages, and posts.**

## Key facts

- **Overall rank:** —
- **Active installs:** 1K+
- **Total downloads:** 84,844
- **Downloads (30 days):** 432 (-5.9% vs previous 30 days)
- **Rating:** 2.5/5 from 8 reviews
- **Health score:** 29/100 (At risk)
- **Version:** 2.0.2
- **Last updated:** Apr 12, 2019
- **Tested up to:** WordPress 5.1.26
- **Requires:** WordPress 2.8+
- **Support resolved:** 0 of 0 threads (last 2 months)
- **Developer:** mmattax (https://pageforge.pro/directory/authors/mmattax/)
- **WordPress.org:** https://wordpress.org/plugins/formstack/

## Category rankings

| Category | Rank | Plugins |
|---|---|---|
| [form builder](https://pageforge.pro/directory/plugins/tag/form-builder/) | #47 | 292 |
| [forms](https://pageforge.pro/directory/plugins/tag/forms/) | #65 | 615 |
| [lead generation](https://pageforge.pro/directory/plugins/tag/lead-generation/) | #21 | 276 |
| [online forms](https://pageforge.pro/directory/plugins/tag/online-forms/) | #1 | 4 |
| [Web Forms](https://pageforge.pro/directory/plugins/tag/web-forms/) | #1 | 9 |

## WordPress.org search positions

| Keyword | Position | Results |
|---|---|---|
| form builder | >100 | 4,530 |
| forms | >100 | 10,000 |
| lead generation | >100 | 1,159 |
| online forms | >100 | 2,837 |
| Web Forms | >100 | 3,857 |

## Version adoption

- 2.0: 99.3%
- 1.0: 0.7%

## Alternatives

| # | Name | Active installs | Rating | Updated | Health |
|---|---|---|---|---|---|
| 1 | [WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More](https://pageforge.pro/directory/plugins/wpforms-lite/) | 5M+ | 4.8/5 (14,380) | Sep 23, 2026 | 97/100 |
| 2 | [Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder](https://pageforge.pro/directory/plugins/fluentform/) | 700K+ | 4.8/5 (798) | Sep 15, 2026 | 97/100 |
| 3 | [MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor](https://pageforge.pro/directory/plugins/metform/) | 600K+ | 4.7/5 (505) | Aug 30, 2026 | 96/100 |
| 4 | [Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder](https://pageforge.pro/directory/plugins/ninja-forms/) | 600K+ | 4.4/5 (1,395) | Sep 28, 2026 | 88/100 |
| 5 | [SureForms – Contact Form Builder, AI Forms, Payment Form, Survey & Quiz](https://pageforge.pro/directory/plugins/sureforms/) | 500K+ | 4.8/5 (93) | Sep 25, 2026 | 96/100 |
| 6 | [Kirki – Freeform Page Builder, Website Builder & Customizer](https://pageforge.pro/directory/plugins/kirki/) | 500K+ | 4.5/5 (81) | Sep 15, 2026 | 84/100 |
| 7 | [Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More](https://pageforge.pro/directory/plugins/formidable/) | 300K+ | 4.8/5 (1,384) | Sep 9, 2026 | 96/100 |
| 8 | [Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder with AI](https://pageforge.pro/directory/plugins/everest-forms/) | 90K+ | 4.9/5 (375) | Sep 21, 2026 | 84/100 |
| 9 | [JetFormBuilder — Dynamic Blocks Form Builder](https://pageforge.pro/directory/plugins/jetformbuilder/) | 80K+ | 4.1/5 (70) | Sep 22, 2026 | 72/100 |
| 10 | [Ultra Addons for Contact Form 7](https://pageforge.pro/directory/plugins/ultimate-addons-for-contact-form-7/) | 60K+ | 4.8/5 (107) | Sep 23, 2026 | 94/100 |

## Frequently asked questions

### Is Formstack Online Forms free?
Yes. Formstack Online Forms is free to download and use from the official WordPress.org plugin directory.

### Is Formstack Online Forms safe to use in 2026?
Formstack Online Forms shows warning signs in 2026 — compare the alternatives below before installing. It runs on 1K+ sites, is rated 2.5/5 and was last updated 7 years ago, and scores 29/100 on our health check.

### How many websites use Formstack Online Forms?
Formstack Online Forms is active on 1K+ WordPress websites and has been downloaded 84,844 times since it launched in September 2010. It was downloaded 432 times in the last 30 days.

### Does Formstack Online Forms work with WordPress 7.1?
Formstack Online Forms is officially tested up to WordPress 5.1.26, while the latest release is 7.1.2. It may still work, but try it on a staging site first.

### When was Formstack Online Forms last updated?
The latest version, 2.0.2, was released on April 12, 2019 (7 years ago).

### Who makes Formstack Online Forms?
Formstack Online Forms is developed and maintained by mmattax.

### What are the best alternatives to Formstack Online Forms?
The most popular alternatives to Formstack Online Forms are WPForms (5M+ installs), Fluent Forms (700K+ installs) and MetForm (600K+ installs).


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/plugins/formstack/ · Generated 2026-09-28 23:49 UTC by PageForge