E6B Aviation Calculator - FLT9 is a specialized utility for pilots providing 47 flight-planning functions on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual flight math by providing real-time, single-screen results for weight, balance, and wind correction.
For Student and licensed pilots requiring portable, multi-functional flight planning and performance calculation tools.
What does it look like?
Key features
Calculates 47 flight-specific functions including pressure altitude, density altitude, and wind correction angles; paid-tier gate drives conversion.
Computes aircraft center of gravity for ramp, takeoff, landing, and zero-fuel configurations; primary conversion driver for professional pilots.
Provides visual entry pattern guidance and wind correction calculations; high-value training aid justifies upgrade cost.
How much does it cost?
The freemium model gates the full 47-function suite behind an upgrade, targeting pilots who require specialized aviation math tools.
Velocity
Maintenance developmentperformanceUX improvementsShow more...
The app is currently in a maintenance phase, with only one release recorded in the last 205 days. Development activity is limited to minor performance improvements and accuracy adjustments rather than new feature development. Given the lack of updates over the past seven months, the development momentum is stagnant. The latest release remains the only data point in the current window, indicating a long-term maintenance cycle.
Who built it?
User Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate single-page interface design allows pilots to input data and receive results without navigating sub-menus and custom keypad entry reduces data input errors compared to standard device keyboards during pre-flight planning.
How are ratings & reviews evolving?
What users say, by theme
- Single-page interface design allows pilots to input data and receive results without navigating sub-menus
- Custom keypad entry reduces data input errors compared to standard device keyboards during pre-flight planning
- Real-time output updates as users feed data into the calculator save significant time during navigation logs
- Users report deceptive marketing because the app requires a subscription or lifetime purchase after initial download
19 of 19 recent reviews analyzed · moderate confidence · Excited overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for E6B Aviation Calculator - FLT9
How's the Utilities market?
E6B Aviation Calculator - FLT9 occupies the specialized aviation utility segment with a 4.36 rating across 36 total ratings. The reliance on a freemium gate creates a friction point that contrasts with the app's high-utility interface.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for E6B Aviation Calculator - FLT9
Where is it heading?
Aviation utility traffic is consolidating around tools that offer transparent pricing and deeper integration with flight-planning workflows. E6B Aviation Calculator - FLT9 remains in maintenance mode, and its current pricing friction leaves it exposed to rivals that prioritize user trust over immediate conversion.
- Users report: Deceptive marketing complaints in reviews erode the rating baseline, which compounds the churn pressure already visible in the freemium conversion funnel.
- Development remains in maintenance mode with no major feature expansion in the last six months, leaving the app vulnerable to more active competitors.
The SWOT
- Single-page interface reduces cognitive load during pre-flight planning
- Custom keypad entry minimizes data input errors
- Implement fuel-burn subtraction to capture professional pilot segments
Next best moves
Pivot pricing messaging to disclose freemium gate before download because users label the current approach as deceptive → reduce negative review sentiment
+ 1 more prioritized moveThe counter-intuitive read
Users report: The app's #1 weakness, its perceived deceptive pricing…
Read the full takeSince the last report: Users report: The app's competitive outlook has shifted from stable to mixed, driven by the combination of a six-month maintenance cycle and deepening user frustration regarding pricing transparency. The core utility remains unchanged, but the perceived bait-and-switch monetization model is now identified as a primary driver of user churn.
Bottom line
Users report: Refining pricing transparency would address the deceptive marketing complaints that currently erode the app's rating baseline. Aligning the weight and balance tool with real-world flight planning needs would secure the app's position as a primary utility for student pilots.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is E6B Aviation Calculator - FLT9 free to use?
Does this app work for professional flight planning?
Are there any hidden costs?
Sources
- [1] App Store, source
Report last updated