B-737 is a reference application for Boeing 737 loadsheet calculations on iOS.

The App DNA

What makes this app unique?

The developer has discontinued the application to consolidate users into the Boeing LoadSheet platform, removing the need for ongoing maintenance of this legacy build.

For Aviation professionals or students requiring Boeing 737 loadsheet reference materials.

What does it look like?

Key features

Loadsheet Referencestandard

Provides reference data for Boeing 737 loadsheet calculations.

How much does it cost?

freeFree

The application is provided at no cost as a legacy tool, with the developer directing users to a replacement application.

Velocity

Dormant developmentShow more...

The app has been inactive for 2,819 days, effectively marking it as a zombie project. The final release served only as a notice to users that the application would be removed from the store and replaced by a different product. There is no evidence of ongoing development, maintenance, or support for this title.

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Who built it?

Toshko Neykov

6 apps tracked · Reference

Bingo CounterBingo CounterBoeing LoadSheetBoeing LoadSheetLoad SheetLoad SheetEmparejar CartasEmparejar CartasAirbus LoadSheetAirbus LoadSheet
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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.00 · 2

Not enough recent reviews to extract reliable themes yet.

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Competition

Competitive landscape for B-737

How's the Reference market?

B-737 occupies a legacy position in the Reference category, currently serving as a placeholder for users transitioning to newer tools. The application is provided at no cost, reflecting its status as a deprecated asset rather than a commercial product.

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The rivals identified

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The Analyst's Read

Key takeaways for B-737

Where is it heading?

The aviation reference market is consolidating around modern, cloud-synced loadsheet tools, rendering static apps like B-737 obsolete. The developer's pivot to Boeing LoadSheet is the correct move to ensure long-term data accuracy and regulatory compliance for aviation professionals.

  • The application is officially discontinued, which signals that the developer has shifted all resources to the Boeing LoadSheet replacement.
  • Seven years have passed since the last update, confirming the app is in a permanent state of abandonment.

The SWOT

Critical Frictions 1 weakness inside
Growth Levers
  • Clear migration path to Boeing LoadSheet.
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset B-737 from the store because the developer has already signaled its deprecation → eliminate support overhead.

The counter-intuitive read

The lack of a forced removal date in…

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Bottom line

B-737 is a sunsetted reference tool, and the developer's clear migration notice to Boeing LoadSheet effectively manages the user transition. PMs should monitor the Boeing LoadSheet adoption rate to ensure the legacy user base successfully migrates before the app is removed from the store.

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FAQ

Is B-737 still being updated?
No, B-737 is a discontinued application. The developer has not released an update since January 2019 and directs users to download the Boeing LoadSheet app instead.
What is the replacement for B-737?
The developer recommends using the Boeing LoadSheet application, which is available for free on the App Store.
Is B-737 safe to use for flight calculations?
B-737 is a legacy tool that is no longer maintained. Aviation professionals should migrate to the recommended Boeing LoadSheet app to ensure they are using current data and calculations.

Sources

  1. [1] App Store

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by B-737, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “B-737 Intelligence Report.” Updated Oct 15, 2026. https://marlvel.ai/apps/b-737

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