Comparison

Pressurisation vs 737 CSFF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Cockpit-style instrument displays
  • Multiple aircraft type modes
  • Cabin altitude monitoring
  • Differential pressure display
  • Cabin climb rate indicator
  • Ground speed display
Read full description

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.

About

737 CSFF

A visual guide to understanding Cold Soaked Fuel Frost (CSFF) on 737 aircraft wings. It references airline handbooks and Boeing FCOM guidance for educational purposes.

Highlights
  • Visual representation of CSFF scenarios
  • Study guide for 737 wing frost
  • References North American Airline Flight Handbook
  • Includes Boeing FCOM guidance
  • Educational tool for pilots
Currently charting
Read full description

This app is a study guide and a visual representation to aid in the understanding around the many scenarios when Cold Soaked Fuel Frost (CSFF) is encountered on the wing of a 737. This app is not approved for use during flight operations. The CSFF guidance in this app is designed around a North American Airline Flight Handbook and reference to the Boeing FCOM. This app is not a substitute for company flight manuals, an FAA approved deicing program, Boeing FCOM guidance or good judgement.

Screenshots

Pressurisation4 screens
737 CSFF3 screens

Verdict

The call

The clearest difference is price: Pressurisation at Free against 737 CSFF's $2.99. Pressurisation also leads on update cadence (every 2 months vs every 4 months). 737 CSFF's advantage is chart position (#197 vs unranked). On rating, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Pressurisation is free to download; 737 CSFF costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Pressurisation against 5.0 for 737 CSFF. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Pressurisation ships an update every 2 months, 737 CSFF every 4 months. The most recent releases landed on June 25, 2026 and August 3, 2026 respectively.

Scorecard4 real differences · 6 level
Pressurisation versus 737 CSFF: the parameters behind the verdict, then further details
ParameterPressurisation737 CSFF
PriceFree — better$2.99
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#197 — better
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better17.6
Further details — not scored
Size9 MB11 MB
Age rating4+4+
DeveloperRiccardo ArrigoniDan O'Leary

Customer experience

Pressurisation

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

737 CSFF

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pressurisation

No in-app purchases

None

737 CSFF

No in-app purchases

Questions

Is Pressurisation free?
Pressurisation is free to download, with no in-app purchases.
Is 737 CSFF free?
737 CSFF costs $2.99, with no in-app purchases.
Which has better reviews, Pressurisation or 737 CSFF?
Pressurisation and 737 CSFF are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Pressurisation or 737 CSFF have ads?
Neither Pressurisation nor 737 CSFF shows ads.
Which is updated more often, Pressurisation or 737 CSFF?
Pressurisation ships an update every 2 months, and 737 CSFF every 4 months. Most recently, Pressurisation was updated on June 25, 2026 and 737 CSFF on August 3, 2026.

Other comparisons