Comparison

Comtrade Viewer vs IEC61850browser

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Comtrade Viewer

Features
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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.

About

IEC61850browser

Features
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The IEC 61850 Browser is a mobile diagnostic and control tool for IEC 61850-based protection and control devices (IEDs), developed for professional use in the field. The app supports direct connections to IEDs as well as automatic device discovery through an integrated network scanner. Via the USB-C interface, Ethernet-to-USB-C adapters can be connected and configured as the primary network interface, ensuring that all IEC 61850 communication is routed exclusively through the selected port. Once connected, the app automatically reads the complete IEC 61850 data model from the IED and displays it in a clear, structured hierarchy. Users can query individual or multiple data objects at the same time and monitor live values. For each retrieved value, the app displays: • Value • Quality information • Timestamp The app supports both time-based polling and report-based monitoring. Depending on the capabilities of the connected IED, users can monitor live process data either by cyclic polling or by subscribing to IEC 61850 reports for efficient event-driven updates. An integrated Event Log is available for both monitoring modes. Recorded events can be exported in TXT or CSV format for documentation and further analysis. The app also supports sending control commands to IEDs. If a command is rejected, detailed feedback is provided, including the reason for rejection. Cybersecurity features are also supported for protected IED connections. Depending on the device manufacturer and configuration, users can authenticate either with a password only or with a combination of username and password. If supported by the connected IED, disturbance records can also be accessed and read via file transfer. The IEC 61850 Browser can generate and export IEC 61850 CID and IID files based on the connected IED. Exported files can be used for engineering, documentation, and interoperability purposes. Exported CID/IID files and recorded Event Logs are stored locally within the app, allowing users to access, review, and export them again at any time without reconnecting to the IED. The app also includes an integrated time server that can synchronize the time of supported IEDs directly from the mobile device, simplifying commissioning and maintenance tasks. For continuous monitoring, the app includes an option in Settings to prevent the device display from turning off while the app is in use. This helps avoid automatic device locking and potential connection interruptions during longer monitoring sessions. The IEC 61850 Browser is under continuous development, with more features planned for future releases. The app includes a 7-day free trial with full functionality. After the trial period, continued access is available through an annual subscription. Compatible with iOS and iPadOS 17.8 or later.

Screenshots

Comtrade Viewer4 screens
IEC61850browser4 screens

Verdict

The call

The clearest difference is in-app purchases: Comtrade Viewer at none against IEC61850browser's 1. Comtrade Viewer also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. IEC61850browser sells 1 in-app purchase, starting at $399.99 per year. Comtrade Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Comtrade Viewer ships an update fortnightly, IEC61850browser every 2 months. The most recent releases landed on September 17, 2026 and August 26, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Comtrade Viewer versus IEC61850browser: the parameters behind the verdict, then further details
ParameterComtrade ViewerIEC61850browser
PriceFreeFree
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size4 MB8 MB
Age rating4+4+
DeveloperRussell PattersonDennis Dchicha

In-app purchases

None

Comtrade Viewer

No in-app purchases

1 purchases

IEC61850browser

Subscriptions1
  • IEC61850Browser Subscription$399.991 Year

Questions

Is Comtrade Viewer free?
Comtrade Viewer is free to download, with no in-app purchases.
Is IEC61850browser free?
IEC61850browser is free to download, with in-app purchases available.
Do Comtrade Viewer or IEC61850browser have ads?
Neither Comtrade Viewer nor IEC61850browser shows ads.
Which is updated more often, Comtrade Viewer or IEC61850browser?
Comtrade Viewer ships an update fortnightly, and IEC61850browser every 2 months. Most recently, Comtrade Viewer was updated on September 17, 2026 and IEC61850browser on August 26, 2026.

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