EIRP Calculator vs IGC H₂
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EIRP Calculator
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EIRP calculator let you calculate the effective transmission power with a given combination of radio transmitter and antenna. Equivalent isotropically radiated power (EIRP) or, alternatively, effective isotropically radiated power is the amount of power that a theoretical isotropic antenna (which evenly distributes power in all directions) would emit to produce the peak power density observed in the direction of maximum antenna gain. (from Wikipedia)
IGC H₂
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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
Verdict
The clearest difference is update cadence: IGC H₂ at every 5 days against EIRP Calculator's every 129 months. IGC H₂ also leads on iOS requirement (13.4 vs 17.5). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EIRP Calculator ships an update every 129 months, IGC H₂ every 5 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | EIRP Calculator | IGC H₂ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 129 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.5 | 13.4 — better |
| Further details — not scored | ||
| Size | 0 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Pulsely Consulting | Industrial Gas Consultants LLC |
In-app purchases
EIRP Calculator
No in-app purchases
IGC H₂
No in-app purchases
Questions
Is EIRP Calculator free?
Is IGC H₂ free?
Do EIRP Calculator or IGC H₂ have ads?
Which is updated more often, EIRP Calculator or IGC H₂?
Other comparisons
