Comparison

B737 MRG vs CPaT Mobile 4

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

Head to head
About

B737 MRG

This professional reference app provides airline pilots with detailed guidance and practical advice for handling over 300 non-normal situations on the Boeing 737. It includes extensive system notes, illustrations, logic gates, and schematics to aid in-flight and ground operations.

Highlights
  • 300+ non-normal procedures
  • System notes and practical advice
  • Over 2,200 illustrations
  • Logic gates and schematics
  • Covers CL, NG, MAX editions
  • Regular content updates
Read full description

The B737MRG is the most trusted professional reference for airline pilots flying the Boeing 737. The B737MRG covers 300 different non-normals, that is a hundred more than the official QRH. The app provides system notes and practical advice on how to deal with each non-normal, both on ground and in flight. The app comes with over 2,200 illustrations, logic gates, lights and schematics! Captain Pat BOONE, author of the B737 MRG, is a senior instructor with more than 20,000 flight hours on Boeing aircraft (Boeing 737, Boeing 767 and Boeing 787 Dreamliner). You can free download the app and review a couple of demo pages. You need a paid subscription to access the entire content. With a subscription you get access to all editions of the B737MRG (CL, NG, MAX) in all languages (English, Chinese). Your subscription includes all updates of the content that are published by the author on a regular basis. Subscription details: Your subscription runs for a period of 1 year, starting the date of in-app purchase. There is no free trial period. The price for the subscription is around a dollar / euro per month. The exact price depends on local taxes and is displayed inside the app. A single subscription can be used on multiple devices (phone, tablet), as long as these devices run the same app store account. Cancellation and refund of your current subscription are not possible. Your subscription runs until the end of the current period. Your subscription is automatically renewed, unless Auto-Renew is turned off at least 24 hours before the end of the current period. Your app store account will be charged for renewal within 24 hours prior to the end of the current period. You can turn-off auto-renewal by going to your app store account settings, anytime after your initial purchase. Terms and Conditions & Privacy Policy : Visit : https://b737mrg.net/disclaimer/

About

CPaT Mobile 4

Access your aviation training materials offline. Download courses to study at your convenience and sync your progress back to the CPaT Learning Management System when you have an internet connection.

Highlights
  • Offline training material access
  • Downloadable course content
  • Training progress tracking
  • Sync with CPaT LMS
  • Interactive training modules
Features
Read full description

CPaT mobile provides an offline training solution for the CPaT training library developed for web platforms.This app allows CPaT LMS users to view their training progress, launch into their online account, as well take their interactive training offline by downloading the training material. Once downloaded, the material is available without the need for an Internet connection and can be viewed at the users convenience. When an Internet connection can be made, the data accumulated from the downloaded content may be synchronized back to the CPaT Learning Management System.

Screenshots

B737 MRG4 screens
CPaT Mobile 43 screens

Verdict

The call

The clearest difference is review sentiment: B737 MRG at 81% against CPaT Mobile 4's 0%. B737 MRG also leads on rating (4.9 vs 2.2) and ratings volume (299 vs 19). CPaT Mobile 4's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support 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

Both are free to download. B737 MRG sells 1 in-app purchase, starting at $9.99 per year. CPaT Mobile 4 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

B737 MRG holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: B737 MRG has 299 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 81% of B737 MRG's written reviews are positive against 0% of CPaT Mobile 4's.

UpkeepUpdate frequency

B737 MRG ships an update every 2 months, CPaT Mobile 4 every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
B737 MRG versus CPaT Mobile 4: the parameters behind the verdict, then further details
ParameterB737 MRGCPaT Mobile 4
PriceFreeFree
Rating4.9 (299 ratings) — better2.2 (19 ratings)
Positive reviews81.3% of reviews — better0.0% of reviews
Number of ratings299 — better19
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.611.0 — better
Further details — not scored
Size95 MB42 MB
Age rating4+4+
DeveloperMCC (BV)CPAT GLOBAL, LLC

Customer experience

B737 MRG

All ratings299 ratings
Positive98.0%
Neutral0.3%
Negative1.7%
Written reviews182 reviews
Positive81.3%
Neutral1.1%
Negative17.6%

CPaT Mobile 4

All ratings11 ratings
Positive36.4%
Neutral9.1%
Negative54.5%
Written reviews24 reviews
Positive0.0%
Neutral8.3%
Negative91.7%

Bugs and requests

B737 MRG

Reported bugs

3 issues
  • App crashing on startup after updates
  • Losing downloaded data on app restart
  • Difficulty exiting demo mode

Requested features

2 requests
  • Interactive features like switchable diagrams
  • Availability on macOS/desktop platforms

CPaT Mobile 4

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

B737 MRG

Subscriptions1
  • Yearly Subscription$9.991 Year
None

CPaT Mobile 4

No in-app purchases

Questions

Is B737 MRG free?
B737 MRG is free to download, with in-app purchases available.
Is CPaT Mobile 4 free?
CPaT Mobile 4 is free to download, with no in-app purchases.
Which has better reviews, B737 MRG or CPaT Mobile 4?
B737 MRG is rated higher. B737 MRG averages 4.9 out of 5 from 299 ratings, while CPaT Mobile 4 averages 2.2 from 19 ratings.
Do B737 MRG or CPaT Mobile 4 have ads?
Neither B737 MRG nor CPaT Mobile 4 shows ads.
Which is updated more often, B737 MRG or CPaT Mobile 4?
B737 MRG ships an update every 2 months, and CPaT Mobile 4 every 6 weeks. Most recently, B737 MRG was updated on October 26, 2026 and CPaT Mobile 4 on October 24, 2026.

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