Comparison

Voltcraft WIFI Scope vs Comtrade Viewer

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

Head to head
About

Voltcraft WIFI Scope

Features
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WIFI Scope is an oscilloscope app for iPad, iPhone。Combined with WIFI Scope hardware, it make your iOS device to be an oscilloscope。 With iOS devices’s touch screens, it enables more natural interaction with the user interface. You can zoom in or out a waveform using your fingers. WIFI Scope must be used with WIFI Scope hardware. Feature Highlights: * Connects hardware wirelessly via Wi-fi * 2 channels * Intuitive software: pinch-to-zoom waveforms * Max 250M sample rate with 70 MHz bandwidth * 5ns/div-500s/div * FFT

About

Comtrade Viewer

Features
Read full description

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.

Screenshots

Voltcraft WIFI Scope1 screens
Comtrade Viewer4 screens

Verdict

The call

The clearest difference is iOS requirement: Voltcraft WIFI Scope at 9.0 against Comtrade Viewer's 15.0. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Voltcraft WIFI Scope ships an update every 3 weeks, Comtrade Viewer fortnightly. The most recent releases landed on September 10, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 5 level
Voltcraft WIFI Scope versus Comtrade Viewer: the parameters behind the verdict, then further details
ParameterVoltcraft WIFI ScopeComtrade Viewer
PriceFreeFree
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size26 MB4 MB
Age rating4+4+
DeveloperCEI Conrad Electronic International (HK) LimitedRussell Patterson

In-app purchases

None

Voltcraft WIFI Scope

No in-app purchases

None

Comtrade Viewer

No in-app purchases

Questions

Is Voltcraft WIFI Scope free?
Voltcraft WIFI Scope is free to download, with no in-app purchases.
Is Comtrade Viewer free?
Comtrade Viewer is free to download, with no in-app purchases.
Do Voltcraft WIFI Scope or Comtrade Viewer have ads?
Neither Voltcraft WIFI Scope nor Comtrade Viewer shows ads.
Which is updated more often, Voltcraft WIFI Scope or Comtrade Viewer?
Voltcraft WIFI Scope ships an update every 3 weeks, and Comtrade Viewer fortnightly. Most recently, Voltcraft WIFI Scope was updated on September 10, 2026 and Comtrade Viewer on September 17, 2026.

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