# Gas Tech vs Chemspec Europe

The clearest difference is iOS requirement: Chemspec Europe at 10.0 against Gas Tech's 12.2. On price, update cadence, 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.

Gas Tech ships an update every 6 months, Chemspec Europe every 11 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | Gas Tech | Chemspec Europe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Size | 56 MB | 51 MB |
| Requires iOS | 12.2 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Reed Exhibitions Ltd](https://appshunter.io/developer/540373170) |

## What reviewers say

### Gas Tech

[App page](https://appshunter.io/ios/app/gas-tech/id6447905896)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemspec Europe

[App page](https://appshunter.io/ios/app/chemspec-europe/id6502418562)

**In-app purchases:** none


## Frequently asked questions

### Is Gas Tech free?

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

### Is Chemspec Europe free?

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

### Do Gas Tech or Chemspec Europe have ads?

Neither Gas Tech nor Chemspec Europe shows ads.

### Which is updated more often, Gas Tech or Chemspec Europe?

Gas Tech ships an update every 6 months, and Chemspec Europe every 11 months. Most recently, Gas Tech was updated on October 27, 2026 and Chemspec Europe on October 27, 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.*