# Pressurisation vs GRINDS AIR

The clearest difference is iOS requirement: GRINDS AIR at 12.0 against Pressurisation's 17.0. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 25, 2026 and March 9, 2026 respectively.

## The numbers

| Metric | Pressurisation | GRINDS AIR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pressurisation/id956245284/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 9 MB | 34 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Riccardo Arrigoni](https://appshunter.io/developer/956245283) | [Matthias Friesen](https://appshunter.io/developer/1506710638) |

## What reviewers say

### Pressurisation

[App page](https://appshunter.io/ios/app/pressurisation/id956245284)

Visualize aircraft cabin pressurization with realistic cockpit instruments. Explore different aircraft types and monitor key metrics like cabin altitude and differential pressure. Ideal for aviation enthusiasts and students.

**Highlights:** Cockpit-style instrument displays, Multiple aircraft type modes, Cabin altitude monitoring, Differential pressure display, Cabin climb rate indicator, Ground speed display

**In-app purchases:** none


### GRINDS AIR

[App page](https://appshunter.io/ios/app/grinds-air/id1506710639)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pressurisation free?

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

### Is GRINDS AIR free?

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

### Do Pressurisation or GRINDS AIR have ads?

Neither Pressurisation nor GRINDS AIR shows ads.

### Which is updated more often, Pressurisation or GRINDS AIR?

Pressurisation ships an update every 2 months, and GRINDS AIR every 2 months. Most recently, Pressurisation was updated on June 25, 2026 and GRINDS AIR on March 9, 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.*