Active installationsNewAdoption metric — not a quality score
WordPress.org ratingNo WordPress.org ratings yet
Official packageDirect from WordPress.org
Repository metrics are context, not quality scores. Active installations measure adoption and can strongly reflect a plugin’s age and historical popularity. Ratings, recent updates and “Tested up to” metadata also do not guarantee modern code, error-free operation, security, feature completeness or suitability for a particular site. Why active installs don’t tell the whole story →
WP PlugIndex currently records Probono Booking Basic version 1.0.11 as active, updated 1mo ago and tested up to WordPress 7.1.
Overview
About this plugin
Probono Booking is a reservation form plugin designed and developed specifically for Japanese websites. Create a fully functional booking system with just a few clicks.
Why Choose Probono Booking
Made in Japan – Developed by Japanese developers who understand Japanese web booking systems
One-Time Purchase – No monthly subscription, no recurring fees
Japanese Optimized – Automatic public holidays, substitute holidays, and bridge holidays
Lightweight & Fast – Minimal code for optimal performance
Free Features
Booking Basics
Calendar UI for date and time slot selection
Concurrent booking limit per slot
Form Fields
13 built-in field types (pb1 through pb13: name, kana, email, phone, postal code, address, menu select, calendar, notes, checkbox, radio, file upload, agreement)
Required field settings
11 industry templates: salon, restaurant, clinic, lawyer, tax, real estate, hotel, recruiting, pet, cleaning, counseling
Email Functions
Confirmation email to the customer
Notification email to the administrator
Automatic reminder email (sent the day before)
Auto-reply email with customizable body and footer
Calendar Settings
Japanese national holidays auto-applied
Closed days and ad-hoc closed days
Business hours configuration
Reception period (how far in advance bookings can be accepted)
Data Management
CSV export of reservation data
Automatic file-based backup (up to 1500 history entries)
One-click restore capability from any backup point
Other
Responsive design for mobile and desktop
Loading spinner during form submission
Double-submit prevention
WordPress.org metadata
Plugin tags
Topics listed for this plugin in the WordPress.org directory.
booking
calendar
form
japanese
reservation
Compatibility & maintenance
Compatibility & maintenance
Tested with WP 7.1
Marked as tested with the current WordPress 7.1 release.
Current WordPress releaseWordPress 7.1
WordPress.org Tested up to7.1
Minimum requirementsWordPress 6.0 · PHP 7.4
Update activity7 Sept 20261mo ago
“Tested up to” is directory metadata supplied by the plugin author. WP PlugIndex does not turn an older declaration into a claim that the plugin is incompatible.
Changes recorded by WP PlugIndex
Recent tracked changes
Version1.0.10→1.0.11
Tracking & source
WP PlugIndex tracks public WordPress.org directory metadata and records selected version, compatibility and availability changes as they are detected.