Pressurisation vs HourHack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pressurisation
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.
- Cockpit-style instrument displays
- Multiple aircraft type modes
- Cabin altitude monitoring
- Differential pressure display
- Cabin climb rate indicator
- Ground speed display
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Transform Your Flight Experience with Advanced Cabin Monitoring Cabin Pressurisation is your companion for understanding and visualising how aircraft cabins are pressurised at altitude. Whether for training, education, or curiosity, this app brings complex systems to life with authentic cockpit-style instruments and intuitive displays. Cockpit Modes (Tailored to Aircraft Types): Advanced EFIS – State-of-the-art display (max 9.0 ΔP) Turboprop – For smaller turboprop aircraft (max 5.5 ΔP) Corporate Jet 8.6 PSI – Inspired by a renowned business jet (max 8.9 ΔP) Corporate Jet 10 PSI – Modelled after the fastest business jet (max 9.6 ΔP) Airliner Legacy – Classic jet airliner design (max 9.1 ΔP) Airliner EFIS – Modern jetliner interface (max 8.6 ΔP) Key Features: Cabin Altitude Gauge (CABIN ALT) – Displays cabin altitude in thousands of feet. Differential Pressure Gauge (ΔP) – Shows the pressure difference between cabin and outside air. Variometer (CABIN CLIMB) – Tracks the rate of cabin altitude change. Ground Speed Display – Monitors ground speed in knots. Limitations: GPS Dependent – Best performance when your device is near a window. Mach Indicator – Approximate only (based on ground speed and altitude). Important: This app is designed for educational purposes only. It is not a substitute for certified aircraft systems or instruments.
HourHack
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.
- Calculate time differences
- Calculate date differences
- Instant results
- Clear interface
- Time unit conversion
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Need to know how much time has passed or how many days until an event? HourHack makes it simple to calculate the difference between two times or dates. Quickly input any two moments, and get instant results in hours, minutes, or days. Features: Calculate time differences between two times Find the amount of time between dates Clear and easy-to-use interface Simplify your time calculations with HourHack!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Pressurisation | HourHack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (10 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 10 — better |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Riccardo Arrigoni | Rosenbergs LLC |
Customer experience
Pressurisation
HourHack
In-app purchases
Pressurisation
No in-app purchases
HourHack
No in-app purchases
Questions
Is Pressurisation free?
Is HourHack free?
Which has better reviews, Pressurisation or HourHack?
Do Pressurisation or HourHack have ads?
Which is updated more often, Pressurisation or HourHack?
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