RadMonJP
Radiation Monitoring in Japan
Free · In‑App Purchases
RadMonJP is a radiation monitoring app that helps you check radiation levels across Japan in real time.
Key features:
- Browse monitoring posts nationwide in a clear dashboard
- View radiation levels on an interactive map
- Check rankings to quickly identify higher readings
- See each monitoring post's current reading, weather, and 24-hour trend
- Customize daily reports and emergency alerts
Whether you are checking conditions near home or planning a trip, RadMonJP helps you find the information you need quickly for greater peace of mind for you and your family.
This app is supported by advertising. Join the annual sponsorship program to remove ads and support future development.
Privacy Policy: https://radmon.jp/privacy
Terms of Use: https://radmon.jp/terms
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Minor improvements.
The developer, RR Aware Studio, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- RR Aware Studio
- Size
- 9.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later.
- iPhone
- Languages
English and 3 more
- English, Japanese, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- プレミアム1ヶ月 $0.99
- Copyright
- © 2026 RR Aware Studio. All rights reserved.