# Comtrade Viewer

> COMTRADE record viewer.

Canonical page: [https://chrome-stats.com/d/id1469713323](https://chrome-stats.com/d/id1469713323)

## Overview

- **ID:** `id1469713323`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Russell Patterson
- **Category:** Utilities
- **Version:** 2.2.3
- **Last updated:** 2026-06-20
- **First published:** 2019-09-16
- **Size:** 3.79 MB
- **Data as of:** 2026-09-08
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/comtrade-viewer/id1469713323)
- **Website:** [https://comtradeviewer.org/](https://comtradeviewer.org/)
- **Privacy policy:** [http://comtradeviewer.org/PrivacyPolicy.pdf](http://comtradeviewer.org/PrivacyPolicy.pdf)

## Description

Now opens vendor event records too (SEL, Beckwith, S&C)!

COMTRADE Viewer is an easy-to-use tool for viewing and analyzing power system event records. Display waveforms directly on your device.

Supported file formats include:

• COMTRADE (ASCII and Binary)
• SEL .cev, .eve, and .evzip event records
• SEL Motor Start Reports (.msr and .cmsr)
• Beckwith M-3425A, M-3430, and M-3311A .osc records
• S&C IntelliRupter Fault Interrupter records (.wfc)
• ATP/EMTP .pl4 files

Open files directly from Mail, Files, AirDrop, and other supported apps, or explore the included sample records to get started.

Built for power system engineers and technicians who need quick access to event records while in the field, at the office, or on the go.

## Rankings

- #1,871,683 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1469713323)