TBM Performance vs 737 CSFF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TBM Performance
This app calculates essential flight performance data for Daher TBM aircraft, covering takeoff, landing, climb, cruise, and emergency procedures. It includes tools like a glide distance calculator, circuit breaker finder, and risk analysis.
- Flight performance calculations
- Takeoff and landing data
- Climb and cruise performance
- Emergency procedures
- Glide distance calculator
- Circuit breaker finder
- Risk analysis tool
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TBM Performance computes all the useful performance numbers for flight planning for Daher (Socata) TBM aircraft models. It includes calculations for takeoff, landing, climb, cruise, descent, instrument procedures as well as emergencies. The app contains a complete set of normal and emergency procedures,including a glide distance calculator that handles headwinds and tailwinds, and an interactive circuit breaker finder. It also includes a hold entry calculator, a radar page, and a risk analysis tool. TBM Performance is also available on other mobile devices and as a WebApp (an App that runs in a browser) that runs on a variety of platforms (PC, Mac, tablets, phones). The cloud sync feature allows flight planning profiles entered on any device to be synchronized with your other devices when connected to the Internet. TBM Performance is a free, open-source development effort and has Apps and WebApps for other aircraft. See http://pohperformance.com for complete details.
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.
- 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
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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
Verdict
The clearest difference is price: TBM Performance at Free against 737 CSFF's $2.99. TBM Performance also leads on ratings volume (14 vs 2). On rating, update cadence, 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
TBM Performance is free to download; 737 CSFF costs $2.99 up front. 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 TBM Performance against 5.0 for 737 CSFF. That said, the two scores are not equally well evidenced: TBM Performance has 14 ratings behind it against 2, so its average is the more settled of the two.
TBM Performance ships an update every 2 months, 737 CSFF every 4 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | TBM Performance | 737 CSFF |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (14 ratings) | 5.0 (2 ratings) |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 14 — better | 2 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | POH Performance L.L.C. | Dan O'Leary |
Customer experience
TBM Performance
737 CSFF
In-app purchases
TBM Performance
No in-app purchases
737 CSFF
No in-app purchases
