# Gas Blender Toolkit vs ToolsX

The clearest difference is price: ToolsX at Free against Gas Blender Toolkit's $2.99. ToolsX also leads on update cadence (every 3 days vs every 9 days). Gas Blender Toolkit's advantage is chart position (#35 vs unranked) and iOS requirement (15.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

ToolsX is free to download; Gas Blender Toolkit costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gas Blender Toolkit ships an update every 9 days, ToolsX every 3 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Gas Blender Toolkit | ToolsX |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/gas-blender-toolkit/id1467768490/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Paid | — |
| Best chart rank | **#35** | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Oleg Gurevich](https://appshunter.io/developer/1467768489) | [MATTEO GARZULANO](https://appshunter.io/developer/6777229442) |

## What reviewers say

### Gas Blender Toolkit

[App page](https://appshunter.io/ios/app/gas-blender-toolkit/id1467768490)

**Currently charting:** #35 Top Paid · Sports (US App Store)

This comprehensive toolkit assists scuba divers in calculating and blending various gas mixtures like trimix, nitrox, and heliox. It offers features for both partial pressure and continuous blending, cost calculation, and utilizes ideal and real gas models for accuracy. Optimized for larger screens, it serves as a successor to a previous diving application.

**Highlights:** Partial pressure blending, Continuous blending, Trimix, nitrox, heliox calculations, Ideal and real gas models, Cost calculation, Top off from storage

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

**In-app purchases:** none


### ToolsX

[App page](https://appshunter.io/ios/app/toolsx/id6779336834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gas Blender Toolkit free?

Gas Blender Toolkit costs $2.99, with no in-app purchases.

### Is ToolsX free?

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

### Do Gas Blender Toolkit or ToolsX have ads?

Neither Gas Blender Toolkit nor ToolsX shows ads.

### Which is updated more often, Gas Blender Toolkit or ToolsX?

Gas Blender Toolkit ships an update every 9 days, and ToolsX every 3 days. Most recently, Gas Blender Toolkit was updated on October 21, 2026 and ToolsX on October 5, 2026.

---

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