Comparison

Smart Green Converter vs IGC H₂

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

Head to head
About

Smart Green Converter

Easily convert between various units of measurement for gases, including length, power, volume, mass, and pressure. Share your conversion results via email or SMS, or copy them to your notes.

Highlights
  • Unit of Measurement Conversion
  • Length Units
  • Power Units
  • Volume Units
  • Mass Units
  • Pressure Units
  • Share Conversion Results
Features
Read full description

The Green Flame Gas converter mobile application that will help you convert UOMs (Units of Measurements) from one to another, You can share the conversion results with others through mails, SMS, etc... or it can be copied to your notes. Those UOMs are as follow: - Length Units. - Power Units. - Dynamic Viscosity Units. - Heat Flux Units. - Volume Units. - Energy Unit. - Kinematic Viscosity Units. - Specific Energy Units. - Molar Flow-rate Units. - Mass Units. - Mass Flow-rate Units. - Specific Heat Units. - Volumetric Flow-rate Units. - Density Units. - Heat Transfer Coefficient Units. - Pressure Units. - Area Units. - Thermal Conductivity Units. Enjoy.

About

IGC H₂

Read full description

This application allows you to input a given amount of industrial gas with a unit of measure and converts it to your desired unit of measure. For example, if you have kilos of CO2 and want to convert to gallons.

Screenshots

Smart Green Converter4 screens
IGC H₂4 screens

Verdict

The call

The clearest difference is update cadence: IGC H₂ at every 5 days against Smart Green Converter's every 7 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

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

Smart Green Converter ships an update every 7 months, IGC H₂ every 5 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 9 level
Smart Green Converter versus IGC H₂: the parameters behind the verdict, then further details
ParameterSmart Green ConverterIGC H₂
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 7 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.4 — better
Further details — not scored
Size18 MB17 MB
Age rating4+4+
DeveloperThe Green Flame Gas CoIndustrial Gas Consultants LLC

In-app purchases

None

Smart Green Converter

No in-app purchases

None

IGC H₂

No in-app purchases

Questions

Is Smart Green Converter free?
Smart Green Converter is free to download, with no in-app purchases.
Is IGC H₂ free?
IGC H₂ is free to download, with no in-app purchases.
Do Smart Green Converter or IGC H₂ have ads?
Neither Smart Green Converter nor IGC H₂ shows ads.
Which is updated more often, Smart Green Converter or IGC H₂?
Smart Green Converter ships an update every 7 months, and IGC H₂ every 5 days. Most recently, Smart Green Converter was updated on November 1, 2026 and IGC H₂ on November 4, 2026.

Other comparisons