RT Calculator: Gamma NDT
Radiography Exposure Tools
$3.99 · Designed for iPad. Not verified for macOS.
Offline gamma exposure, decay, barricade, and unsharpness tools for industrial radiography field work.
RT Calculator is an offline field calculator for industrial radiography teams working with Ir-192, Se-75, and Co-60. Estimate gamma exposure time, activity decay, barricade distance, geometric unsharpness, and exposure corrections with saved presets and calculation history.
Designed for RT inspectors, NDT technicians, and field engineers, the app keeps common calculations local on your device and helps reuse frequent parameters.
Calculations are for professional reference only. Always verify results against approved procedures, source certificates, exposure charts, local regulations, and radiation safety requirements before field use.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Initial release with offline gamma exposure, decay, barricade, unsharpness, correction, favorites, history, formula reference, and safety disclaimer tools.
The developer, 雪 蔺, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 雪 蔺
- Size
- 3.3 MB
- Category
- Business
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 10 more
- English, Dutch, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 linxue

