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Really Simple CAPTCHA

By Rock Lobster Inc.

Communication & Messaging / Transactional Email

Really Simple CAPTCHA Review - In-Depth Analysis

Really Simple CAPTCHA is a CAPTCHA module designed for use with other plugins, especially Contact Form 7. It generates simple CAPTCHA images and verifies user responses.

Performance Overview

WPS Score

7.03/10

User Rating

4.2/5 (based on 129+ reviews)

Active Installations

300,000+

Update Frequency

Below Average It is calculated using the weighted average of same category plugins.

Security Score

1 / 10 (Very Low Risk) It is calculated using the weighted average of all versions.

What It Does

Really Simple CAPTCHA is a CAPTCHA module intended for integration with other plugins, particularly Contact Form 7. This plugin does not operate independently and is designed to enhance the security of forms by generating CAPTCHA challenges.

It is important to note that Really Simple CAPTCHA is not highly secure, as its name suggests. For those requiring stronger security measures, alternative solutions should be considered.

The plugin functions by creating two files for each CAPTCHA: an image file and a text file containing the correct answer. This method avoids using PHP sessions, reducing potential conflicts within WordPress.

To implement Really Simple CAPTCHA in your plugin, create an instance of the ReallySimpleCaptcha class and customize it as needed. You can generate random words for CAPTCHA and manage the image and text files easily.

This plugin is straightforward to use and can be integrated into any WordPress site requiring basic CAPTCHA functionality.

For a live demonstration, visit the Contact Form 7 website.

Comparing to Alternatives

Really Simple CAPTCHA is a lightweight plugin primarily designed to integrate with Contact Form 7 for spam protection. Compared to other CAPTCHA plugins, it offers simplicity but lacks advanced features.

Top alternatives

Really Simple CAPTCHA

Strengths

Very easy to integrate with Contact Form 7 and Gravity Forms.
Lightweight and does not add significant load to the site.
Provides dynamic math CAPTCHA which changes on each form load.
No need for external API keys or services.
Free and open source with straightforward functionality.

Weaknesses

Limited to basic CAPTCHA types, mainly math-based.
No advanced spam detection or machine learning features.
Interface and customization options are minimal.
No official premium version or extended support.

User Sentiment Analysis

User feedback highlights the plugin's simplicity and effectiveness in certain setups, but also points out issues with spam and occasional bugs.

Positive highlights

'Super simple! Easy to integrate with Contact Form 7.' - afudo1tlg
'Works great with Gravity Forms in 2024!' - Maxcom
'Very simple banner for cookies.' - nicolasvsedeco

Common complaints

Spam still gets through in some cases.
Limited functionality compared to more advanced CAPTCHA plugins.
Some users report bugs such as banners showing in unintended places.
Negative experiences with spam when used with Contact Form 7.

Weaknesses

Not effective enough for heavy spam environments.
Minimal updates and feature enhancements.
Lack of detailed documentation for advanced use cases.

Who Should Use This?

Best for

Users who need a simple, lightweight CAPTCHA solution integrated with Contact Form 7 or Gravity Forms without complex setup or external dependencies.

Not ideal for

Sites facing heavy spam attacks requiring advanced protection or users needing customizable CAPTCHA options and premium support.

Pricing & Value

Free version includes

The free version includes basic CAPTCHA functionality with dynamic math challenges that refresh on each form load, suitable for simple spam prevention.

Final Verdict

Really Simple CAPTCHA is a straightforward and lightweight plugin ideal for users seeking basic spam protection integrated with popular form plugins like Contact Form 7 and Gravity Forms.

While it excels in simplicity and ease of use, it may not suffice for websites experiencing heavy spam or requiring advanced CAPTCHA features.

Other Notable Features

Here are a few other notable features of this free Really Simple CAPTCHA plugin.

captcha

contact form 7

captcha module

Screenshots

FAQ

Really Simple CAPTCHA needs GD and FreeType library installed on your server. Ask your server administrator if they are installed.

Also, make the temporary file folder writable. The location of the temporary file folder is managed by the instance variable tmp_dir of ReallySimpleCaptcha class. Note that the setting varies depending on the calling plugin. For example, Contact Form 7 uses wp-contents/uploads/wpcf7_captcha as the temporary folder basically, but it can use different folder depending on your settings.

If you have any further questions, please submit them to the support forum.