# LogiCO2 vs PSLab

The clearest difference is update cadence: PSLab at fortnightly against LogiCO2's every 7 months. PSLab also leads on iOS requirement (13.0 vs 15.0). 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.

LogiCO2 ships an update every 7 months, PSLab fortnightly. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LogiCO2 | PSLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Size | 30 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Logico2 International AB](https://appshunter.io/developer/1208875120) | [FOSSASIA](https://appshunter.io/developer/1788752366) |

## What reviewers say

### LogiCO2

[App page](https://appshunter.io/ios/app/logico2-sniffer/id1276136260)

**In-app purchases:** none


### PSLab

[App page](https://appshunter.io/ios/app/pslab/id6740454978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LogiCO2 free?

LogiCO2 is free to download, with no in-app purchases.

### Is PSLab free?

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

### Do LogiCO2 or PSLab have ads?

Neither LogiCO2 nor PSLab shows ads.

### Which is updated more often, LogiCO2 or PSLab?

LogiCO2 ships an update every 7 months, and PSLab fortnightly. Most recently, LogiCO2 was updated on October 10, 2026 and PSLab on October 1, 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.*