# IGC H₂ vs Conversions

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.

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.

## The numbers

| Metric | IGC H₂ | Conversions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 17 MB | 3 MB |
| Requires iOS | **13.4** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Industrial Gas Consultants LLC](https://appshunter.io/developer/1725282233) | [Piotr Bakker](https://appshunter.io/developer/1741809059) |

## What reviewers say

### IGC H₂

[App page](https://appshunter.io/ios/app/igc-h-co-unit-conversion-app/id6475814418)

**In-app purchases:** none


### Conversions

[App page](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598)

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.

**Highlights:** Convert 100+ units, Temperature, length, weight conversions, View conversion formulas, Copy and share conversions, Native iOS design, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IGC H₂ free?

IGC H₂ is free to download, with no in-app purchases.

### Is Conversions free?

Conversions is free to download, with no in-app purchases.

### Do IGC H₂ or Conversions have ads?

Neither IGC H₂ nor Conversions shows ads.

### Which is updated more often, IGC H₂ or Conversions?

IGC H₂ ships an update every 5 days, and Conversions every 2 weeks. Most recently, IGC H₂ was updated on October 15, 2026 and Conversions on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*