Comparison

iMSO vs Engineering Converter

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

Head to head
About

iMSO

Transform your mobile device into a powerful mixed-signal oscilloscope. Analyze analog and digital signals with intuitive controls and advanced measurement features. A demo mode is available for free, with hardware required for full functionality.

Highlights
  • Mixed-signal oscilloscope
  • Analog and digital signal analysis
  • Simulated wave display
  • Cursors with measurements
  • Direct signal measurements
  • Analog and digital triggering
Features
Read full description

Oscilloscope your phone, touch or tablet! iMSO allows you to analyze 2 analog and up to 4 digital signals using the iMSO-204 mixed signal oscilloscope hardware. Although demo mode is available for free with this download, hardware must be purchased to fully enable the product. - It's the first mixed signal oscilloscope available in the app store (50MSPS / 5MHz) - Easiest, most intuitive scope you’ll ever use - Preferred scope for the next generation of inventors Software demo mode includes: - Simulated wave display (sine, square, sawtooth, and triangular) - Cursors w/ measurements - Direct signal measurements - Analog triggering - Run / Stop / Single mode Hardware mode includes: - Analog triggering - Digital triggering - Cursors w/ measurements - Direct signal measurements - 1x or 10x probe setting - Run / STOP / Single mode Hardware works with the following devices: - iPad mini 3 - iPad mini 2 - iPad mini - iPad Air 2 - iPad Air - iPad 4 - iPad 3 - iPad 2 - iPad - iPhone 6 Plus - iPhone 6 - iPhone 5C - iPhone 5S - iPhone 5 - iPhone 4S - iPhone 4 - iPhone 3GS - iPod touch [3rd (32GB only), 4th and 5th generation)

About

Engineering Converter

Features
Read full description

This engineering converter provides basic conversions between units of measure for common and engineering units. This app has the capability to convert units for the following types of measurement: Temperature Length Mass Mole Area Volume Time Velocity Acceleration Density Molar Density Molar Volume Force Pressure Energy Power Mass Flow Mole Flow Volume Flow Heat Capacity Molar Heat Capacity Latent Heat Molar Latent Heat Conductivity Viscosity Diffusivity Surface Tension

Screenshots

iMSO4 screens
Engineering Converter1 screens

Verdict

The call

The clearest difference is ads: iMSO at none against Engineering Converter's shown. iMSO also leads on update cadence (every 3 months vs every 42 months) and iOS requirement (11.0 vs 15.0). On price, 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

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

iMSO ships an update every 3 months, Engineering Converter every 42 months. The most recent releases landed on September 19, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level
iMSO versus Engineering Converter: the parameters behind the verdict, then further details
ParameteriMSOEngineering Converter
PriceFreeFree
Rating3.2 (6 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings6 — better—
Update frequencyEvery 3 months — betterEvery 42 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size11 MB6 MB
Age rating4+4+
DeveloperOscium LLCBrook Wallace

In-app purchases

None

iMSO

No in-app purchases

None

Engineering Converter

No in-app purchases

Questions

Is iMSO free?
iMSO is free to download, with no in-app purchases.
Is Engineering Converter free?
Engineering Converter is free to download, with no in-app purchases.
Do iMSO or Engineering Converter have ads?
Engineering Converter shows ads; iMSO does not.
Which is updated more often, iMSO or Engineering Converter?
iMSO ships an update every 3 months, and Engineering Converter every 42 months. Most recently, iMSO was updated on September 19, 2026 and Engineering Converter on September 12, 2026.

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