Last updated 1mo ago

4Pilots: E6B & Flight Plans

4Pilots: E6B & Flight Plans is a utility app for general aviation pilots that generates ICAO-compliant flight plans and performs aviation-specific calculations on iOS.

Product velocity

Maintenance

updated 30d ago

Daily rank 🇺🇸

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Utilities

Sentiment

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Nemesis

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Fragmented field

No rivals identified

The App DNA

What makes this app unique?

The app removes the friction of manual paper-based flight planning by providing a digital, reusable template system for aircraft and flight data.

For General aviation pilots and flight students who need to generate ICAO-compliant flight plans and perform standard aviation calculations.

What does it look like?

Key features

ICAO Flight Plan Generatorstandard

Generates ICAO-compliant PDF flight plans from user-inputted form data, establishing a primary retention loop.

E6B Flight Computeredge

Calculates aviation-specific metrics including fuel consumption and descent rates, gated as a premium-tier conversion lever.

Weight and Balance Calculatoredge

Computes center of gravity positions for specific aircraft, serving as a safety-critical paid-tier gate.

How much does it cost?

freemiumFree tier for basic flight plan generationPro version for advanced E6B, weight and balance, and conversion tools

The freemium model gates advanced calculation tools behind a Pro upgrade to monetize professional and frequent pilot workflows.

Velocity

Maintenance developmentUX improvementsperformanceShow more...

4Pilots: E6B & Flight Plans currently operates on a maintenance cadence, with the latest release arriving 30 days ago. The development history shows a focus on minor stability and interface refinements rather than new feature rollouts. Given the lack of significant feature updates or live-service events, the app appears to be in a stable, low-frequency maintenance cycle.

See all version history

Who built it?

Milos Cubrilo

2 apps tracked · Utilities

Nomad Map - Discover & Track

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store

0.00 · 0

Not enough recent reviews to extract reliable themes yet.

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Competition

Competitive landscape for 4Pilots: E6B & Flight Plans

How's the Utilities market?

4Pilots occupies the aviation utilities niche, focusing on document compliance and basic math tools. The lack of recent major feature updates suggests a stable, maintenance-focused position rather than an aggressive growth strategy.

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The rivals identified

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The Analyst's Read

Key takeaways for 4Pilots: E6B & Flight Plans

Where is it heading?

The aviation utility market is shifting toward integrated flight-bag solutions that combine planning with real-time navigation and weather data. 4Pilots remains in a maintenance posture, which preserves its current user base but risks obsolescence as pilots consolidate their workflows into more comprehensive, data-connected platforms.

The latest release focuses on minor bug fixes, indicating a maintenance-only cadence that avoids new feature risk.
Static PDF generation without live data feeds limits the app's utility as a primary flight-bag tool for professional pilots.

The SWOT

Core Strengths

ICAO-compliant PDF generation replaces manual paper-based workflows
Aircraft template storage reduces repetitive data entry

Critical Frictions 2 weaknesses inside

Growth Levers

Integration of real-time weather data for flight planning
Expansion of aircraft database for broader pilot appeal

Market Threats 2 threats identified

Next best moves

1 Invest

Ship live weather integration because current static PDF generation lacks real-time utility → increase daily active usage

The counter-intuitive read

The app's maintenance-mode status is a strategic choice…

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Since the last report: The app's strategic roadmap shifted from a passive maintenance cycle to an active development plan prioritizing live weather integration. This pivot addresses the competitive threat posed by integrated flight-bag suites that offer real-time data.

Bottom line

4Pilots provides a functional ICAO flight plan utility, but the lack of active feature development limits its growth potential against more integrated aviation suites; shifting to a data-driven roadmap would unlock higher-value pilot segments.

Unlock 2 critical frictions, 2 market threats and the analyst’s take.

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FAQ

Is 4Pilots suitable for professional flight planning?

4Pilots provides ICAO-compliant PDF generation and standard aviation calculations, which covers basic planning needs. However, it lacks the real-time weather and navigation data integration found in professional-grade flight-bag suites.

Does 4Pilots require a subscription for all features?

The app uses a freemium model. Basic flight plan generation is free, while advanced tools like the E6B flight computer and weight and balance calculations are gated behind a Pro upgrade.

What are the limitations of the free version?

The free version is limited to basic ICAO flight plan generation. Advanced aviation unit conversions, the E6B flight computer, and weight and balance tools require a Pro upgrade.

Sources

[1] App Store, source

Report last updated Aug 30, 2026