Comparison

Simple FTL Calculator vs CrewBoardX

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Simple FTL Calculator

Features
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Plan flight duty with clear times and controls. Simple FTL Calculator helps flight crew and operations teams estimate maximum flight duty periods (FDP) and plan target off-block times. β€’ Calculate an FDP end time from report time, crew type, and sectors. β€’ See split-duty break duration and extension. β€’ Work back from an FDP end time to a target off-block time. β€’ Adjust duty timing and use custom FDP tables for your operation. β€’ Save inputs and results for the next time you open the app. β€’ Use light or dark mode, even offline. Built-in tables and custom settings are planning aids. Check each result against your operator’s approved procedures and the rules that apply to your flight. Questions or suggestions? Contact support@simpleftl.com.

About

CrewBoardX

Features
Read full description

Description CrewBoardX is a smart flight roster app built for airline crews who want speed, clarity, and control. View your duties, flights, and days off in one clean, readable timeline β€” even offline. CrewBoardX goes beyond a simple roster by helping you analyze your work, manage data, and simplify everyday crew tasks. What you can do with CrewBoardX View a clear and structured flight roster Import and decode NetLine PDF rosters Track flight and duty statistics automatically Order crew meals directly from your roster Access your schedule anytime, even offline Designed for LOT Polish Airlines crews, CrewBoardX reflects real operational workflows and day-to-day airline reality. Disclaimer: CrewBoardX is an independent application and is not affiliated with or endorsed by LOT Polish Airlines.

Screenshots

Simple FTL Calculator4 screens
CrewBoardX3 screens

Verdict

The call

The clearest difference is update cadence: CrewBoardX at every 8 days against Simple FTL Calculator's every 4 months. Simple FTL Calculator's advantage is price ($3.99 vs $9.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Simple FTL Calculator costs $3.99 and CrewBoardX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple FTL Calculator ships an update every 4 months, CrewBoardX every 8 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

Scorecard2 real differences Β· 4 level
Simple FTL Calculator versus CrewBoardX: the parameters behind the verdict, then further details
ParameterSimple FTL CalculatorCrewBoardX
Price$3.99 β€” better$9.99
Update frequencyEvery 4 monthsEvery 8 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 β€” better17.6
Further details β€” not scored
Size50 MB6 MB
Age rating4+4+
DeveloperYiu Leung SzeKrzysztof Papis

In-app purchases

None

Simple FTL Calculator

No in-app purchases

None

CrewBoardX

No in-app purchases

Questions

Is Simple FTL Calculator free?
Simple FTL Calculator costs $3.99, with no in-app purchases.
Is CrewBoardX free?
CrewBoardX costs $9.99, with no in-app purchases.
Do Simple FTL Calculator or CrewBoardX have ads?
Neither Simple FTL Calculator nor CrewBoardX shows ads.
Which is updated more often, Simple FTL Calculator or CrewBoardX?
Simple FTL Calculator ships an update every 4 months, and CrewBoardX every 8 days. Most recently, Simple FTL Calculator was updated on October 25, 2026 and CrewBoardX on October 17, 2026.

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