# B737 Cockpit Companion > B737 aircraft systems guide for pilots, featuring detailed information and interactive tools. (iPhone/iPad app by fss.aero.) - Source: https://appshunter.io/ios/app/b737-cockpit-companion/id574292473 (this page in markdown: same URL + `.md`) - Developer: [fss.aero](https://appshunter.io/developer/446805306) - Category: Education, Navigation - Price: $69.99 with in-app purchases - Rating: 4.90/5 from 708 App Store ratings · 286 written reviews indexed - Age rating: 4+ - Requires: iOS 15.6 · 2.2 GB - Languages: American English - Released: 2012-11-08 - Data updated: 2026-08-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/b737-cockpit-companion/id574292473/reviews.md ## What is B737 Cockpit Companion? B737 Cockpit Companion for iPad is a conversion of Bill Bulfer's B737 NG Cockpit Companion book series to an iPad app. It covers the NG, Classics, and the 737 MAX. Since 1998, B737 Cockpit Companion has been a valued resource for airline pilots worldwide. It is a convenient accessible guide to systems, incorporating notes on functionality, "theory of operation", and Bill's extensive experience as a line pilot with a major US carrier. B737 Cockpit Companion steps far beyond the "need to know" philosophy that is characteristic of modern systems training, and which frustrates many line pilots. The app is much more than an "eBook." At its heart is a powerful database engine that allows a tremendous number of configuration options to be customized without forcing the user to wade through clutter: When you browse a control head, for instance, you will see only content related to that control head. The app features a touch-based navigation scheme, so you can start with the top-level cockpit view, and find notes specific to the panel you deal with. It also contains a number of reference options, so you can look up information without having to work through the control panels. The major features include: - Extensive coverage of the B737-600, -700, -800, -900, the BBJs, the 737 MAX, and the Classic EFIS/EIS. - The complete text of the B737 NG Cockpit Companion print version--and more. - All-new, high-resolution graphics detailing every panel and control head. - A note-taking capability. - The ability to create your own flashcards. - An extensive index of over 700 items, linked to the main text. - A circuit breaker locator. - Bill's high-resolution, vector-based schematics. - The content of the B737 Alerts app—a $15 value—optimized for the new database. - An extensive glossary. - A database update feature to help keep the database up to date (requires a wireless connection). Of interest to students or prospective pilots, we also include: - A sample Limitations function. - A sample Master Minimum Equipment List, based on FAA Rev 55a. - An ATA chapter database. As with all products of this type, this program is for informational purposes only. Your FAA-approved company flight manual is the final authority as to the safe and correct operation of your airplane. One optional in-app subscription, "Pro App", is available. This includes the text of FMC Guide, Bill Bulfer's book on the Flight Management System; and Quizzer. This is a convenient way of reviewing systems operation, and was written by Bill. Pro Pilot also includes a BITE CDU emulator and Airworthiness Directives. As we add new features, we will be adding them under Pro Pilot. • The subscription lasts one year. • Payment will be charged to your iTunes Account at confirmation of purchase • The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Your account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal at the time. • Subscriptions may be managed by you, and auto-renewal may be turned off by going to your iTunes Account Settings in System Settings after purchase. NOTE: The app is generally supported for the current version of iOS, the previous version, and the iPad hardware that supports those versions. EULA: http://www.fss.aero/EULA.html ## Key features - Extensive B737 model coverage - Detailed panel and control head graphics - Circuit breaker locator - Note-taking and flashcard creation - High-resolution vector schematics - Glossary and index ## Pricing and in-app purchases Base price: $69.99. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Quizzer | $35.99 | per year | ## What do users think of B737 Cockpit Companion? Overall sentiment: positive **Pros** - 🚀 Excellent reference tool - 👍 Intuitive and user-friendly - 🚀 Comprehensive and detailed information - 🚀 Invaluable for pilots and mechanics - 👍 Constantly updated and improved - 👍 Helpful for training and check rides **Cons** - 🐛 Occasional crashes and stability issues - 💰 Expensive, especially with subscription model - 🔒 Concerns about political bias in airline selection **Commonly reported bugs** - App won't open or update for some users - Resolution issues on certain devices **Most requested features** - Interactive system simulations - FMC training mode - Improved schematics and diagrams ## Recent user reviews (10 of 286) All indexed reviews: https://appshunter.io/ios/app/b737-cockpit-companion/id574292473/reviews.md ### 5/5 — Suggest to buy *2026-08-24, version 7.0.5* It’s definitely worth to buy CC! ### 5/5 — Trustworthy *2026-08-05, version 7.0.5* I was checked out 30 years ago as a captain in the B737. I have used CC as a resource for almost 20 years. As I continue to instruct and mentor in this aircraft I highly recommend CC because it is a trustworthy resource for training and reviewing for your annual recurrent training. The pictures, graphics and systems information has everything you need as a professional in our business. BC ### 5/5 — Captain on 737NG/MAX *2026-07-01, version 6.8.0* What would I have done without it? My aviation oxygen ### 5/5 — Excellent *2026-05-06, version 6.8.0* Excellent companion for people flying 737. ### 5/5 — Best app to familiarize b737 *2026-03-25, version 6.7.1* The app is an incredible tool specially for some one flying b737 to easily understand what each panel do and the system behind it it is super user friendly and made in a way that can be easily understood you would feel like you are in the cockpit. Thank you very much for making such a beautiful app. ### 5/5 — A must-have for a 737 pilot *2026-02-08, version 6.6.0* The most convenient APP for a quick browse EVER. Started using CC when it was just a book, still using it: a must-have APP💯 ### 5/5 — Good quality but *2026-02-05, version 6.6.0* bru needs to update gd cdu…. ### 5/5 — Good technical app *2026-02-02, version 6.6.0* Very useful for 737 pilot ### 5/5 — Great. *2026-01-31, version 6.6.0* Answer to any question. ### 5/5 — Deserves the price *2026-01-25, version 6.6.0* Best app for a 737 pilot, digitalized version of the legendary B737 Cockpit Companion. ## Frequently asked questions about B737 Cockpit Companion ### What does the B737 Cockpit Companion app do? This app serves as a comprehensive digital guide to the systems of B737 aircraft, including the NG, Classics, and MAX models. It goes beyond basic training to offer in-depth explanations, operational theory, and practical insights derived from extensive pilot experience. The app features a powerful database engine for customized browsing of cockpit controls and systems. ### What are the key features of this app? Key features include extensive coverage of various B737 models, high-resolution graphics of every panel and control head, a circuit breaker locator, and the ability to create notes and flashcards. It also provides Bill's high-resolution schematics, an extensive glossary, and a database update feature for keeping information current. ### How much does the B737 Cockpit Companion app cost? The base app is available for free. There is an optional in-app subscription called 'Pro App' which unlocks additional content such as the FMC Guide, Quizzer, a BITE CDU emulator, and Airworthiness Directives. This subscription lasts for one year and automatically renews unless turned off. ### What B737 models are covered by the app? The app provides extensive coverage for the B737-600, -700, -800, -900, the BBJs, the 737 MAX, and the Classic EFIS/EIS. It includes the complete text of the B737 NG Cockpit Companion print version and more, ensuring a wide range of aircraft variants are addressed. ### Who is the target audience for this app? This app is designed for airline pilots worldwide who use B737 aircraft, as well as students and prospective pilots seeking to deepen their understanding of aircraft systems. It aims to provide a more accessible and detailed resource than typical systems training. ## Version history (last 5 releases) ### 7.0.5 — 2026-08-02 7.0.5: Hotfix: restoring full database. Used a limited database for testing previous issue. ### 7.0.4 — 2026-07-31 - Hotfix to address subscription Restore Purchases capabilities. - Cleaned up a dark mode UI issue in Quizzer. - Resized various minor items in Quizzer to accomodate iOS style changes since 15.0. ### 7.0.0 — 2026-07-02 - iCloud support! Finally! - Tweaked Engine Display Advisory Messages - New Chapter conversions - Various content improvements for all aircraft and AA in particular. - FMC guide suggestion on how to to review flight path in light of 767 incident at Newark. ### 6.8.0 — 2026-04-21 NG and MAX Aircraft •    Overboard Exhaust Valve (OEV)description has been re-written •    Air Conditioning Air Temperature Indicator — description of the indicator has been improved     •    STANDBY HYD COMPONENTS ON THE RUDDER has been moved from the Flight Control System Notes to the Rudder System Notes •    The paragraph on Standby Yaw Damping has been moved from the Rudder System Notes to the Flight Control  System Notes •    AC System Notes have been moved from the AC & DC Metering Panel the AC System Notes are now in the Bus Switching System Notes. •    DC system is completely in the AC & DC Metering Panel •    There is little AC information in the AC & DC Metering Panel •    The AC & DC Metering Panel has been improved with the addition of the Chapters feature •    The Bus Switching Panel has been improved with the addition of the Chapters feature For Information Purposes Only •    Loss of Both Engine Driven Generators NNC has been updated NG Aircraft •    COWL ANTI-ICE and COWL VALVE OPEN lights:clarified the description. SW Aircraft •    Water Vapor Sampling System: Description has been added to the NG CAB/UTIL switch as that is what controls the power to it. AA Aircraft •    Added the Battery Warning System to the electrical system. •    CAB/UTIL and IFE/PASS SEAT switches: Corrections were made to certain fleets. •    Exterior Lighting Systems. 3MV - 3VM exterior lighting system has been added to the Exterior Lights System Notes •    Autopilot / Autothrottle indicator (Autoflight status annunciators): MAX Autopilot / Autothrottle indicator has been added. •    3AA-3PX MCP (Honeywell): A note has been added to the LNAV Mode article. •    Integrated Power Supply switches: This has been described in a new bulletin. •    This graphic is temporarily placed in the Cabin cluster. Flair Aircraft •    IFE/PASS SEAT switch: An addition was made to the 1B390 - 1J023, 1K001 - 1L078 fleet ### 6.7.2 — 2026-04-01 - Quizzer now presents correctly for the Flair retail version. - System Notes option now available in the Extras area. - More on the hot cabin issue. - Many under-the-hood editorial changes. ## Apps similar to B737 Cockpit Companion | App | Rating | Price | Category | | --- | --- | --- | --- | | [737 Master Caution](https://appshunter.io/ios/app/737-master-caution/id6455042070) | 4.3 (6) | Free | Education | | [iBOEING B-737 Aircraft Apps](https://appshunter.io/ios/app/iboeing-b-737-aircraft-apps/id1530749830) | 5.0 (2) | Free | Education | | [B737 MRG](https://appshunter.io/ios/app/b737-mrg/id481163421) | 4.9 (291) | Free | Education | | [Boeing 737 NG Diagrams](https://appshunter.io/ios/app/boeing-737-ng-diagrams/id794795073) | 4.9 (321) | $19.99 | Education | | [737 Handbook](https://appshunter.io/ios/app/737-handbook/id1482597031) | 4.8 (245) | Free | Education | | [Boeing 737 FMC CDU](https://appshunter.io/ios/app/boeing-737-fmc-cdu/id6503940647) | 1.0 (4) | Free | Education | ## More apps by fss.aero - [B737 Alerts](https://appshunter.io/ios/app/b737-alerts/id453260249) - [B737 QRG](https://appshunter.io/ios/app/b737-qrg/id464832656) All apps by fss.aero: https://appshunter.io/developer/446805306 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*