# Units Converter Total vs IGC H₂

The clearest difference is in-app purchases: IGC H₂ at none against Units Converter Total's 1. IGC H₂ also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Units Converter Total sells 1 one-off in-app purchase. IGC H₂ asks for nothing beyond the download.

Units Converter Total ships an update every 2 months, IGC H₂ every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Units Converter Total | IGC H₂ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 5 MB | 17 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Vu](https://appshunter.io/developer/888757091) | [Industrial Gas Consultants LLC](https://appshunter.io/developer/1725282233) |

## What reviewers say

### Units Converter Total

[App page](https://appshunter.io/ios/app/units-converter-total/id6444490057)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### IGC H₂

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

**In-app purchases:** none


## Frequently asked questions

### Is Units Converter Total free?

Units Converter Total is free to download, with in-app purchases available.

### Is IGC H₂ free?

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

### Do Units Converter Total or IGC H₂ have ads?

Neither Units Converter Total nor IGC H₂ shows ads.

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

Units Converter Total ships an update every 2 months, and IGC H₂ every 5 days. Most recently, Units Converter Total was updated on October 25, 2026 and IGC H₂ on October 25, 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.*