B737 MRG vs Polata
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
Polata
This application simplifies linear interpolation and extrapolation with a minimalist interface. It displays the linear equation for your data points. Developed by Joey La Barck and updated by Kevin Meglathery.
- Linear interpolation
- Linear extrapolation
- Minimalist interface
- Displays linear equation
- Data point analysis
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A super simple linear interpolation and extrapolation app. The minimal interface also provides the linear equation of the corresponding data points. The app was developed by Joey La Barck. Updated by Kevin Meglathery.
Screenshots
Verdict
The clearest difference is in-app purchases: Polata at none against B737 MRG's 1. Polata also leads on iOS requirement (9.0 vs 16.6). B737 MRG's advantage is update cadence (every 2 months vs every 42 months) and ratings volume (299 vs 3). On price, rating, 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
Both are free to download. B737 MRG sells 1 in-app purchase, starting at $9.99 per year. Polata asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for B737 MRG against 5.0 for Polata. That said, the two scores are not equally well evidenced: B737 MRG has 299 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 81% of B737 MRG's written reviews are positive against 67% of Polata's.
B737 MRG ships an update every 2 months, Polata every 42 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | B737 MRG | Polata |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (299 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 81.3% of reviews — better | 66.7% of reviews |
| Number of ratings | 299 — better | 3 |
| Update frequency | Every 2 months — better | Every 42 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | MCC (BV) | Smitesh Bakrania |
Customer experience
B737 MRG
Polata
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
Polata
Not enough reviews yet to summarise bugs or requests.
In-app purchases
B737 MRG
- Yearly Subscription$9.991 Year
Polata
No in-app purchases
Questions
Is B737 MRG free?
Is Polata free?
Which has better reviews, B737 MRG or Polata?
Do B737 MRG or Polata have ads?
Which is updated more often, B737 MRG or Polata?
Other comparisons
