Simplex Booking Engine
Simplex Digital Hotel Marketing LTD booking engine plugin for easy installation and seamless integration with WordPress websites.
Use with caution
Simplex Booking Engine works, but test it on a staging site before relying on it in 2026. It runs on 20+ sites and was last updated 4 months ago, and scores 52/100 on our health check.
- Small user base (20+ active installs)
- Very few reviews so far
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Simplex Booking Engine stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| hotel booking engine | #14 |
Version adoption
Share of active sites per release.
About Simplex Booking Engine
From the official readme · v2.0.5Description
Simplex Digital Hotel Marketing LTD is a boutique software company based in Israel,
specializing in digital marketing solutions for hotels and hotel chains worldwide.
This plugin enables:
– Easy integration of the booking engine into WordPress pages.
– Customization of colors, button texts, and PMS connection settings.
– A mobile-friendly “Book Now” button for an optimal user experience.
– Full integration with Elementor for easy page editing.
Simply provide your hotel ID, configure the settings, and embed the booking engine on your website pages in just a few clicks!
Note: The hotel ID will be provide after PMS configuration and signing a work order accordingly. The plugin is for exiting Simplex Customers.
If you not Simplex customer yet you can refer to https://www.simplex-ltd.com/.
External Services
This plugin connects to an external JavaScript service to render booking engine components such as the reservation calendar and guest combination selection. It also uses an API to retrieve the availability of hotel rooms based on the ChainID provided by the user.
Data sent:
– ChainID: Provided by the user to identify the hotel chain for which room availability is being fetched.
External Service:
– This service is provided directly by the plugin author, “Simplex Digital Hotel Marketing LTD.”
– Terms of Use: https://www.simplex-ltd.co.il/wordpress-terms-of-use.pdf
– Privacy Policy: https://www.simplex-ltd.co.il/wordpress-privacy-policy.pdf
License
This plugin is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
Installation
- Upload the plugin files to the
/wp-content/plugins/simplex-booking-enginedirectory, or install the plugin through the WordPress plugins screen directly. - Activate the plugin through the ‘Plugins’ screen in WordPress.
- Configure the plugin settings by entering your hotel ID and customizing the options as needed.
Frequently asked questions
How do I get started with this plugin?
After signing up with Simplex and connecting to the PMS system, you will receive a hotel ID. Enter this ID in the plugin settings under the “chainid” field. You can then start customizing the booking engine’s colors, texts, and other settings through the Simplex Booking Engine settings screen.
Is this plugin compatible with Elementor?
Yes! The plugin fully integrates with Elementor, allowing you to easily embed and customize the booking engine on your website.
Can I customize the button and other design elements?
Absolutely. The plugin provides options for customizing button colors, texts, and more directly through the settings panel.
What should I do if the plugin doesn’t work as expected?
Ensure that your WordPress version and PHP version meet the plugin requirements. If you still encounter issues, contact Simplex support for assistance.
Changelog
This is the initial release. Make sure to back up your site before installing new plugins.
2.0.5
- Feature – Hotel ID, fetch by number, select omitted – Elementor, Gutenberg, engine API.
2.0.4
- Fix – Prod Script URL – engine API.
2.0.3
- Fix – Mobile view – engine API.
2.0.2
- Minor fix – Styles from engine API.
2.0.0
- New Booking Engine.
1.0.22 – 1.0.26
- Small fixes.
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best Simplex Booking Engine alternatives
All hotel booking engine plugins →FAQ
Simplex Booking Engine: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 6, 2026
Is Simplex Booking Engine free?
Yes. Simplex Booking Engine is free to download and use from the official WordPress.org plugin directory.
Is Simplex Booking Engine safe to use in 2026?
Simplex Booking Engine works, but test it on a staging site before relying on it in 2026. It runs on 20+ sites and was last updated 4 months ago, and scores 52/100 on our health check.
How many websites use Simplex Booking Engine?
Simplex Booking Engine is active on 20+ WordPress websites and has been downloaded 3,132 times since it launched in December 2024. It was downloaded 186 times in the last 30 days.
Does Simplex Booking Engine work with WordPress 7.1?
Simplex Booking Engine is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does Simplex Booking Engine need?
Simplex Booking Engine requires PHP 7.2 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Simplex Booking Engine last updated?
The latest version, 2.0.5, was released on June 9, 2026 (4 months ago).
Who makes Simplex Booking Engine?
Simplex Booking Engine is developed and maintained by ranisimplex.
What are the best alternatives to Simplex Booking Engine?
The most popular alternatives to Simplex Booking Engine are Bookwize Integrated Cinnamon (10+ installs), Softinn Hotel Booking Engine (10+ installs) and Astro Booking Engine (10+ installs).
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