IGC H₂ vs Conversions
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Conversions
Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.
- Convert 100+ units
- Temperature, length, weight conversions
- View conversion formulas
- Copy and share conversions
- Native iOS design
- Ad-free experience
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Conversions helps you convert different units of measurement, including units of temperature, length, or weight. Use Conversions to convert common measures, such as Fahrenheit to Celsius, meters to feet, and pounds to kilograms, or more technical ones, such as Joule to Kilowatt Hour, Newton to Pound-Force, and Pascal to Bar. Features: · Convert over 100 units across categories like angle, area, data, energy, force, length, power, pressure, speed, temperature, time, volume, and weight · Keep track of up to 100 of your recent conversions · Save up to 25 favorites for quick access · View the exact formulas behind each conversion · Look up unit details, including symbols, measurement systems, and conversion formulas for related units · Copy your conversions to clipboard or share directly with others · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Conversions provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/conversions/terms-of-service Privacy Policy: https://crater.tools/conversions/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: IGC H₂ at every 5 days against Conversions's every 2 weeks. IGC H₂ also leads on device support (3 vs 1) and iOS requirement (13.4 vs 18.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
IGC H₂ ships an update every 5 days, Conversions every 2 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.
| Parameter | IGC H₂ | Conversions |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.4 — better | 18.6 |
| Further details — not scored | ||
| Size | 17 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Industrial Gas Consultants LLC | Piotr Bakker |
In-app purchases
IGC H₂
No in-app purchases
Conversions
No in-app purchases
Questions
Is IGC H₂ free?
Is Conversions free?
Do IGC H₂ or Conversions have ads?
Which is updated more often, IGC H₂ or Conversions?
Other comparisons
