Rule-Base
Referee Rules: Confident Calls
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
"Is my call correct?" AI instantly eliminates doubt. Rule-Base supports all levels using current international rules. Perfect for study and on-field support.
【Rule-Bace: AI Rule Assistant for Referees】
"Was that the right call according to the rules?"
"I'm officiating for the first time... am I sure I know the rules well enough?"
Rule-Bace is the ultimate partner for referees, helping clear up doubts mid-game and supporting those looking to refine their officiating skills so they can step onto the field or court with total confidence.
■ Key Features
Fast AI Rule Search
Simply ask in natural language—like "Is this situation a foul?" or "How should play restart here?"—and get instant answers drawn from official rule data, explained clearly even for beginners.
International Rulebook Compliance
Powered by official international rulebooks across soccer, baseball, basketball, tennis, volleyball, and futsal, providing accurate and up-to-date guidance.
Multi-Sport Support
Ideal for referees officiating multiple sports. Easily switch between sports to access specialized rule standards immediately.
Perfect for Pre & Post-Game Review
Great not only for quick checks during matches, but also for pre-game prep and reviewing training materials. Less experienced officials can systematically build knowledge and hone their skills.
■ Recommended For
・Beginner referees looking to learn rules from the ground up.
・Anyone wanting a quick, accurate way to consult official rulebooks.
・Coaches and officials making pre-game prep a regular habit to build confidence.
・Referees who manage multiple sports and need to keep rules organized.
[Disclaimer]
This app is a third-party tool developed by referencing official international sports rules. It is not affiliated with or endorsed by any official sports governing bodies. While AI responses aim to support you based on official rulebooks, the referee's final judgment always takes precedence during a match. For the latest rule changes and operational regulations, please check the official websites of the respective governing bodies.
■ Terms of Service
https://tan-principle-379.notion.site/Terms-of-Service-3723b0dd7e4580e7af79d99b53de06a3?source=copy_link
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
1.1.0
・Added Baseball, Tennis, and Volleyball, now supporting 6 sports in total.
・Set sport-specific question samples to help you find answers even faster.
・Minor bug fixes and performance improvements.
The developer, SEIICHI MIYAKO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Contact Info
- User Content
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- User Content
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Search History
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SEIICHI MIYAKO
- Size
- 45.3 MB
- Category
- Sports
- Compatibility
Requires iOS 14.0.0 or later.
- iPhone
Requires iOS 14.0.0 or later. - iPad
Requires iPadOS 14.0.0 or later. - iPod touch
Requires iOS 14.0.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 4 more
- English, Japanese, Korean, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Rule-Base Pro $2.99
- Copyright
- Copyright © 2026 Seiichi Miyako. All rights reserved.