# Pressurisation vs HourHack

The clearest difference is update cadence: HourHack at fortnightly against Pressurisation's every 2 months. HourHack also leads on ratings volume (10 vs 1) and iOS requirement (13.4 vs 17.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Pressurisation against 5.0 for HourHack. That said, the two scores are not equally well evidenced: HourHack has 10 ratings behind it against 1, so its average is the more settled of the two.

Pressurisation ships an update every 2 months, HourHack fortnightly. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Pressurisation | HourHack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pressurisation/id956245284/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/hourhack/id6503925079/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 9 MB | 21 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Riccardo Arrigoni](https://appshunter.io/developer/956245283) | [Rosenbergs LLC](https://appshunter.io/developer/1716179267) |

## 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


### HourHack

[App page](https://appshunter.io/ios/app/hourhack/id6503925079)

Easily calculate the duration between two specific times or dates. Get instant results in hours, minutes, or days with a clear and intuitive interface. Simplify all your time-related calculations.

**Highlights:** Calculate time differences, Calculate date differences, Instant results, Clear interface, Time unit conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pressurisation free?

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

### Is HourHack free?

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

### Which has better reviews, Pressurisation or HourHack?

Pressurisation and HourHack are both rated 5.0 out of 5 on the App Store, from 1 and 10 ratings respectively.

### Do Pressurisation or HourHack have ads?

Neither Pressurisation nor HourHack shows ads.

### Which is updated more often, Pressurisation or HourHack?

Pressurisation ships an update every 2 months, and HourHack fortnightly. Most recently, Pressurisation was updated on October 1, 2026 and HourHack on September 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.*