# Unit Converter vs IGC H₂

The clearest difference is ads: IGC H₂ at none against Unit Converter's shown. IGC H₂ also leads on update cadence (every 5 days vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unit Converter ships an update every 8 months, IGC H₂ every 5 days. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Unit Converter | IGC H₂ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 5 days** |
| Size | 6 MB | 17 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RAJAMRAGHU TECH](https://appshunter.io/developer/1772439027) | [Industrial Gas Consultants LLC](https://appshunter.io/developer/1725282233) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-simple/id6450880292)

**Features:** macOS Compatibility

**In-app purchases:** none


### IGC H₂

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

Unit 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 Unit Converter or IGC H₂ have ads?

Unit Converter shows ads; IGC H₂ does not.

### Which is updated more often, Unit Converter or IGC H₂?

Unit Converter ships an update every 8 months, and IGC H₂ every 5 days. Most recently, Unit Converter was updated on October 2, 2026 and IGC H₂ on October 15, 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.*