# Gas Compressibility Factor Z vs BeeFast Agent

The clearest difference is update cadence: BeeFast Agent at every 2 months against Gas Compressibility Factor Z's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Gas Compressibility Factor Z ships an update every 8 months, BeeFast Agent every 2 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Gas Compressibility Factor Z | BeeFast Agent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 3 MB | 48 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [BeeFast Technology S.R.L.](https://appshunter.io/developer/1604165693) |

## What reviewers say

### Gas Compressibility Factor Z

[App page](https://appshunter.io/ios/app/gas-compressibility-factor-z/id1626924678)

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

**In-app purchases:** none


### BeeFast Agent

[App page](https://appshunter.io/ios/app/beefast-agent/id1632431849)

**In-app purchases:** none


## Frequently asked questions

### Is Gas Compressibility Factor Z free?

Gas Compressibility Factor Z is free to download, with no in-app purchases.

### Is BeeFast Agent free?

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

### Do Gas Compressibility Factor Z or BeeFast Agent have ads?

Neither Gas Compressibility Factor Z nor BeeFast Agent shows ads.

### Which is updated more often, Gas Compressibility Factor Z or BeeFast Agent?

Gas Compressibility Factor Z ships an update every 8 months, and BeeFast Agent every 2 months. Most recently, Gas Compressibility Factor Z was updated on October 7, 2026 and BeeFast Agent 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.*