Comtrade Viewer vs CMC Swift
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Comtrade Viewer
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COMTRADE Viewer is an easy-to-use tool for viewing and analyzing power system event records. Display waveforms directly on your device. Now includes incremental based double-ended fault locator based on method of Kasztenny and Smelich. 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.
CMC Swift
Control Omicron CMCs to output analog voltages and currents, feed in binary signals, or measure them. Perform wiring and control system checks, as well as trip tests for protective functions quickly and easily. It also facilitates polarity checks when used with a handheld CPOL device.
- Output analog voltages and currents
- Feed in binary signals
- Measure binary signals
- Perform wiring and control system checks
- Conduct trip tests for protective functions
- Perform polarity checks with CPOL device
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For more information how to get started, visit https://www.omicronenergy.com/cmcswift With CMC Swift you can output analog voltages and currents via your CMC, feed in binary signals or measure them. Wiring and control system checks as well as pickup and trip tests of protective functions, such as overcurrent protection, can be performed quickly and easily. In combination with a handheld CPOL device, polarity checks can be easily performed.
Screenshots
Verdict
The clearest difference is update cadence: Comtrade Viewer at fortnightly against CMC Swift's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Comtrade Viewer ships an update fortnightly, CMC Swift every 4 months. The most recent releases landed on September 17, 2026 and July 5, 2026 respectively.
| Parameter | Comtrade Viewer | CMC Swift |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 127 MB |
| Age rating | 4+ | 4+ |
| Developer | Russell Patterson | OMICRON electronics GmbH |
In-app purchases
Comtrade Viewer
No in-app purchases
CMC Swift
No in-app purchases
Questions
Is Comtrade Viewer free?
Is CMC Swift free?
Do Comtrade Viewer or CMC Swift have ads?
Which is updated more often, Comtrade Viewer or CMC Swift?
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