Comparison

Comtrade Viewer vs GridHUBB

Price, ratings, monetisation and update history for both apps, side by side β€” 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: β€’ COMTRADE (ASCII and Binary) β€’ SEL .cev, .eve, and .evzip event records β€’ SEL Motor Start Reports (.msr and .cmsr) β€’ Beckwith M-3425A, M-3430, and M-3311A .osc records β€’ S&C IntelliRupter Fault Interrupter records (.wfc) β€’ 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

GridHUBB

Features
Read full description

GridHUBBβ„’ is a complementary software tool for the administration of Hubbell Utility Solutions intelligent devices. Quickly manage, and commission settings in an intuitive application that is packed with powerful tools and advanced reporting. Adaptive Workspace - Windows & iOS to work everywhere you do, from desktop to mobile phone. Multiple language settings ensure accessibility for diverse workforces. Easy setup and navigation - Frustration-free settings management offers seamless device setup and easy navigation Actionable Insights - Advanced reporting tools provide helpful insights and actionable data to support decision-making. Embedded Guidance - Guided self-help with embedded reference and training materials means help is just a click away

Screenshots

Comtrade Viewer4 screens
GridHUBB4 screens

Verdict

The call

The clearest difference is update cadence: Comtrade Viewer at fortnightly against GridHUBB's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Comtrade Viewer ships an update fortnightly, GridHUBB every 4 months. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

Scorecard1 real difference Β· 5 level
Comtrade Viewer versus GridHUBB: the parameters behind the verdict, then further details
ParameterComtrade ViewerGridHUBB
PriceFreeFree
Update frequencyFortnightly β€” betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better16.0
Further details β€” not scored
Size4 MB161 MB
Age rating4+4+
DeveloperRussell PattersonHubbell Inc

In-app purchases

None

Comtrade Viewer

No in-app purchases

None

GridHUBB

No in-app purchases

Questions

Is Comtrade Viewer free?
Comtrade Viewer is free to download, with no in-app purchases.
Is GridHUBB free?
GridHUBB is free to download, with no in-app purchases.
Do Comtrade Viewer or GridHUBB have ads?
Neither Comtrade Viewer nor GridHUBB shows ads.
Which is updated more often, Comtrade Viewer or GridHUBB?
Comtrade Viewer ships an update fortnightly, and GridHUBB every 4 months. Most recently, Comtrade Viewer was updated on September 17, 2026 and GridHUBB on September 22, 2026.

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