Comparison

737 NG FMS Tutorial vs 737 Master Caution

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

Head to head
About

737 NG FMS Tutorial

Learn the complete pre-flight procedures for a Boeing 737 NG, guided by an experienced pilot and instructor. Explore less common flight scenarios like holds and alternates with a full-featured emulator.

Highlights
  • Comprehensive pre-flight sequence training
  • Expert instruction from a Boeing 737 pilot
  • Full-featured flight management system emulator
  • Learn holds and alternates
  • Hawaii to Los Angeles flight scenario
Features
Read full description

NAFI Master CFI and Boeing 737 pilot/ground instructor covers the entire pre-flight sequence of a flight from Hawaii to Los Angeles. Or put the tutorial aside and experiment with the full-featured emulator. Learn the corners that rarely get used: holds and alternates.

About

737 Master Caution

This app provides a comprehensive reference for over 200 warning lights and messages across B737 Classic, NG, and MAX aircraft families. It includes tools for abbreviations, FMC messages, circuit breakers, and electrical buses, aiding pilot training and aviation enthusiasts.

Highlights
  • References over 200 B737 warning lights and messages
  • Filter by aircraft family (Classic, NG, MAX)
  • Full text search for specific lights
  • Personal notes and bookmarking
  • Reference tools for abbreviations, FMC messages, circuit breakers, and electrical buses
Features
Read full description

This app references more than 200 warning lights and messages of the B737 Classic, NG and MAX families. You are a pilot preparing your initial 737 type rating training, or an aviation enthusiast, or a flight simulator fan. You should enjoy this app. - Warning lights are grouped by FCOM chapters. - You may filter warning lights by airplane family / generation (Classic, NG or MAX). - Full text search to find a specific light. - Add your personal notes for each light and use the app as a notebook. - Place a bookmark to specific warning lights. You will also find 4 other tools, as reference : - A complete list of abbreviations with more than 400 definitions. - Full explanation of more than 100 FMC messages. - Position of more than 500 circuit breakers, sorted by ATA codes or by panels. - List of all electrical buses and more than 500 associated services. A great tool during your initial type rating training or during a refresher later. For training purposes ONLY. Do not use in-flight. Should you spot any error or have any suggestion, feel free to contact : support@babdreams.com Enjoy.

Screenshots

737 Master Caution4 screens

Verdict

The call

The clearest difference is price: 737 Master Caution at Free against 737 NG FMS Tutorial's $29.99. 737 Master Caution also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16). 737 NG FMS Tutorial's advantage is update cadence (monthly vs every 3 months). 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

737 Master Caution is free to download; 737 NG FMS Tutorial costs $29.99 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 — 4.3 for 737 NG FMS Tutorial against 4.4 for 737 Master Caution. Both are backed by a comparable volume of ratings — 8 and 7 respectively.

UpkeepUpdate frequency

737 NG FMS Tutorial ships an update monthly, 737 Master Caution every 3 months. The most recent releases landed on September 25, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
737 NG FMS Tutorial versus 737 Master Caution: the parameters behind the verdict, then further details
Parameter737 NG FMS Tutorial737 Master Caution
Price$29.99Free — better
Rating4.3 (8 ratings)4.4 (7 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings8 — better7
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS1613.0 — better
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperTerence WayStudio BabDreams

Customer experience

737 NG FMS Tutorial

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

737 Master Caution

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%

In-app purchases

None

737 NG FMS Tutorial

No in-app purchases

None

737 Master Caution

No in-app purchases

Questions

Is 737 NG FMS Tutorial free?
737 NG FMS Tutorial costs $29.99, with no in-app purchases.
Is 737 Master Caution free?
737 Master Caution is free to download, with no in-app purchases.
Which has better reviews, 737 NG FMS Tutorial or 737 Master Caution?
737 Master Caution is rated higher. 737 NG FMS Tutorial averages 4.3 out of 5 from 8 ratings, while 737 Master Caution averages 4.4 from 7 ratings.
Do 737 NG FMS Tutorial or 737 Master Caution have ads?
Neither 737 NG FMS Tutorial nor 737 Master Caution shows ads.
Which is updated more often, 737 NG FMS Tutorial or 737 Master Caution?
737 NG FMS Tutorial ships an update monthly, and 737 Master Caution every 3 months. Most recently, 737 NG FMS Tutorial was updated on September 25, 2026 and 737 Master Caution on October 15, 2026.

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