Comtrade Viewer
COMTRADE record viewer.
Free · Designed for iPad. Not verified for macOS.
Phasor diagram, symmetrical components, and full R-X impedance plane with loop impedances. Offline, private, on-device.
Comtrade Viewer is a simple to use tool to chart analog waveforms from ascii or binary COMTRADE files, Beckwith M-3425/A, M-3430, M-3311A OSC files, and ATP/EMTP PL4 files. Open files from Mail, Files, or AirDrop, or tap a bundled sample to try it out.
Built for power system protection engineers who need to inspect event records on the go.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Fixed incorrect record duration seen when opening some SEL-735 generated event records.
- Added link from the app to detailed online help at comtradeviewer.org/help.html
The developer, Russell Patterson, 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
- Russell Patterson
- Size
- 3.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2019-2026 Russell Patterson