# Gas Blender vs LeoR

The clearest difference is in-app purchases: LeoR at none against Gas Blender's 3. LeoR also leads on iOS requirement (13.6 vs 15.1). Gas Blender's advantage is device support. On price there is nothing between them.

Both are free to download. Gas Blender sells 3 in-app purchases, starting at $0.49 per month. LeoR asks for nothing beyond the download.

## The numbers

| Metric | Gas Blender | LeoR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/gas-blender/id1555767097/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 24 MB |
| Requires iOS | 15.1 | **13.6** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Millennium Ltd](https://appshunter.io/developer/348691313) | [Fabio Benvenuti](https://appshunter.io/developer/1133091492) |

## What reviewers say

### Gas Blender

[App page](https://appshunter.io/ios/app/gas-blender/id1555767097)

This app assists scuba divers in calculating and planning Nitrox and Trimix gas blends. It supports both imperial and metric units, offering calculations based on Ideal Gas and Van de Waals formulas. Users can also view the Maximum Operating Depths (MODs) for various factors and save planned mixes for future reference.

**Highlights:** Nitrox and Trimix gas blending, Imperial and metric unit support, Ideal Gas and Van de Waals formulas, MOD calculations (Narcosis, Density, O2 toxicity), Save planned gas mixes, User-selectable fill time

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.49 | per month |
| Annual | $2.99 | per year |
| Lifetime | $6.99 | one-time |


### LeoR

[App page](https://appshunter.io/ios/app/leor/id6444387021)

**In-app purchases:** none


## Frequently asked questions

### Is Gas Blender free?

Gas Blender is free to download, with in-app purchases available.

### Is LeoR free?

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

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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.*