Simple FTL Calculator vs CrewBoardX
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Simple FTL Calculator
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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 operatorβs approved procedures and the rules that apply to your flight. Questions or suggestions? Contact support@simpleftl.com.
CrewBoardX
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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
Verdict
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
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.
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.
| Parameter | Simple FTL Calculator | CrewBoardX |
|---|---|---|
| Price | $3.99 β better | $9.99 |
| Update frequency | Every 4 months | Every 8 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 β better | 17.6 |
| Further details β not scored | ||
| Size | 50 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Yiu Leung Sze | Krzysztof Papis |
In-app purchases
Simple FTL Calculator
No in-app purchases
CrewBoardX
No in-app purchases
Questions
Is Simple FTL Calculator free?
Is CrewBoardX free?
Do Simple FTL Calculator or CrewBoardX have ads?
Which is updated more often, Simple FTL Calculator or CrewBoardX?
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