Avion Calc is a precision-engineered flight time and duty period calculator for pilots and cabin crew on iOS and Android.
The App DNA
What makes this app unique?
The tool removes the cognitive load and potential for error in manual time conversions during high-pressure flight deck turnarounds.
For Professional pilots, student pilots, and cabin crew requiring precise flight time and duty period calculations.
What does it look like?
Key features
Supports HH:MM, total minutes, and interval-based inputs to reduce manual conversion errors.
Adjusts report and debrief time offsets to match specific airline OM-A regulations.
Displays results in both HH:MM and decimal formats for payroll and logbook compatibility.
How much does it cost?
Avion Calc is currently offered as a free, ad-free utility with no visible monetization gates.
Velocity
Maintenance developmentnew contentUX improvementsShow more...
The app is currently in a maintenance state, having shipped only two releases total with no activity in the last 117 days. Development appears to have stalled following the initial launch phase across iOS and Android. There is no evidence of ongoing feature development or live operations. The current cadence is insufficient to support active growth or regular content updates.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Flight Time & FDP: Avion Calc
How's the Productivity market?
Avion Calc operates as a niche productivity utility for aviation professionals, currently maintaining a maintenance-mode release cadence with no updates in 117 days.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Flight Time & FDP: Avion Calc
Where is it heading?
The aviation productivity space is consolidating around tools that offer seamless integration with airline payroll and digital logbooks. Avion Calc's current maintenance-mode posture leaves it exposed to competitors who can offer cloud-sync and active feature updates, which would erode the tool's current utility advantage.
- The 117-day update gap suggests the developer has moved to maintenance mode, which risks long-term user churn if platform APIs evolve.
- The offline-first design remains a strong differentiator for flight deck operations where connectivity is unreliable, ensuring consistent utility for the core audience.
The SWOT
- Offline-first architecture ensures tool availability at 35,000 feet
- High-contrast UI optimized for low-light cockpit environments
- Localized airline-specific presets to increase switching costs
Next best moves
Ship cloud-save integration because it is the primary data-loss risk for professional logbooks → increase user retention
The counter-intuitive read
The lack of monetization is not a weakness but a retention lever…
Read the full takeBottom line
Avion Calc serves a clear professional need, but the current maintenance-mode cadence risks losing the user base to more active rivals. Implementing cloud-save would secure the tool's role as a daily habit for flight crew.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Avion Calc suitable for professional pilots?
Does Avion Calc require an internet connection?
Does Avion Calc offer cloud backup for my data?
Sources
- [1] App Store listing, source
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