Comparison

iTrain B737MAX vs B737 CDU

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

Head to head
About

iTrain B737MAX

Expand your technical knowledge of the Boeing B737MAX with over 800 questions. This app helps you train memory items, system knowledge, and maneuvers to prepare for interviews, grading, or exams. Its interface is designed for focused learning for both experienced and trainee pilots.

Highlights
  • Boeing B737MAX technical knowledge expansion
  • NNC memory items training
  • System knowledge and flightpath patterns
  • Non-normal maneuvers preparation
  • Over 800 technical questions
  • Automated database updates
Features
Read full description

- Expand your technical knowledge of the Boeing B737MAX. - Train the NNC memory items, system knowledge, flightpath patterns and non-normal maneuvers. - Prepare for a job interview, grading or exam. iTrain B737MAX is an app that will help you with all of the above. More than 800 technical questions are available! Questions are presented in a easy, no frills, no distractions manner in order to let you fully concentrate on the job at hand: know the aircraft and the procedures. The NNC Memory items, non-normal maneuvers and flight path patterns can be memorized by use of a specially designed interface for use by both experienced pilots and trainee-pilots. Therefore, iTrain B737MAX can be used by any pilot! iTrain B737MAX has an automated database update system. When a question has been altered, added or deleted by our support team, the questions database in the app will be updated automatically as soon as you open the app or go to the main screen of the app. iTrain B737MAX has been developed by three experienced B737-700/800 captains totalling over 35.000 flight hours, trying to make a difference to your learning curve and knowledge.

About

B737 CDU

This app simulates a Boeing 737 CDU, allowing users to explore its pages and enter data. It's designed for pilots preparing for flights or seeking a refresher on CDU operations. The tool offers touch screen navigation and access to FMC and ACARS pages.

Highlights
  • Simulates 737 CDU interface
  • Explore FMC and ACARS pages
  • Touch screen navigation
  • Data entry for CDU
  • Useful for pilot training
Features
Read full description

B737 CDU allows you to get familiar with 737 cdu and lets you explore contents of each page (A great tool for your chair flying!) It was primarily developed to help pilots preparing for operating experience flights (anyone wanting to expedite CDU set up process). However, B737 CDU can be a useful tool as a reminder for every 737 pilot out there (ex.Either you are coming back from a long vacation or simply curious what to expect to see on each page) Following features will be available: -Access to FMC and ACARS pages -Touch screen capability which allows you to move from one page to the other -Type and enter the data into CDU (no logic, just number and letters) Refer to introduction videos and screenshots to find out more about what this app can do! Disclaimer: * Buttons and inputs usually used for actual flights DO work, but some of FMC and ACARS page buttons won't work until next update. * Data being entered into CDU doesn't have any logic to it, meaning this app is simply a replica; doesn't work like actual CDU. Any inquries or comments regarding the app, please contact us at goappcs@gmail.com. Thanks for downloading. Preview video: https://www.youtube.com/watch?v=WC70v6FrlDY https://www.youtube.com/watch?v=_VB5BuvlmVQ

Screenshots

iTrain B737MAX4 screens

Verdict

The call

The clearest difference is review sentiment: iTrain B737MAX at 100% against B737 CDU's 43%. iTrain B737MAX also leads on rating (4.7 vs 2.0). B737 CDU's advantage is price ($7.99 vs $17.99) and iOS requirement (8.0 vs 18.6). On ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

iTrain B737MAX costs $17.99 and B737 CDU $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iTrain B737MAX holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 100% of iTrain B737MAX's written reviews are positive against 43% of B737 CDU's.

UpkeepUpdate frequency

iTrain B737MAX ships an update every 5 weeks, B737 CDU every 2 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
iTrain B737MAX versus B737 CDU: the parameters behind the verdict, then further details
ParameteriTrain B737MAXB737 CDU
Price$17.99$7.99 — better
Rating4.7 (3 ratings) — better2.0 (2 ratings)
Positive reviews100.0% of reviews — better42.9% of reviews
Number of ratings3 — better2
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad — betteriPad
Requires iOS18.68.0 — better
Further details — not scored
Size14 MB43 MB
Age rating4+4+
DeveloperFlighttrainer Aviation Apps B.V.Kun-Woo Go

Customer experience

iTrain B737MAX

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

B737 CDU

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

In-app purchases

None

iTrain B737MAX

No in-app purchases

None

B737 CDU

No in-app purchases

Questions

Is iTrain B737MAX free?
iTrain B737MAX costs $17.99, with no in-app purchases.
Is B737 CDU free?
B737 CDU costs $7.99, with no in-app purchases.
Which has better reviews, iTrain B737MAX or B737 CDU?
iTrain B737MAX is rated higher. iTrain B737MAX averages 4.7 out of 5 from 3 ratings, while B737 CDU averages 2.0 from 2 ratings.
Do iTrain B737MAX or B737 CDU have ads?
Neither iTrain B737MAX nor B737 CDU shows ads.
Which is updated more often, iTrain B737MAX or B737 CDU?
iTrain B737MAX ships an update every 5 weeks, and B737 CDU every 2 months. Most recently, iTrain B737MAX was updated on October 10, 2026 and B737 CDU on October 15, 2026.

Other comparisons