Crew Rest Calculator is a free utility for long-haul flight crews to automate shift rotations and rest period calculations on iOS.
The App DNA
What makes this app unique?
Users hire this app to eliminate manual math errors during flight operations, ensuring fair rest distribution for the entire crew.
For Long-haul flight crews requiring precise, automated rest period calculations during flight rotations.
What does it look like?
Key features
Allows custom changeover durations for individual rest gaps to accommodate mid-flight services.
Automatically assigns remainder minutes to the earliest rest periods to ensure the final crew member receives a full shift.
How much does it cost?
The app operates as a free utility with no monetization, positioning itself as a community-driven tool for aviation professionals.
Velocity
Maintenance developmentUX improvementsplatform expansionShow more...
The app currently operates at a maintenance cadence, with only one release recorded in the last six months. The latest version provided significant UX improvements and platform expansion, but the lack of subsequent updates suggests a focus on stability rather than active feature development. Development appears to have stalled since the March 2026 update, with no further activity in the last 156 days.
Who built it?
User Sentiment
What do users think recently?
Fresh user feedback skews frustrated. Users appreciate flight crew scheduling tools allow for flexible break intervals during long-haul flight operations.
How are ratings & reviews evolving?
What users say, by theme
- Flight crew scheduling tools allow for flexible break intervals during long-haul flight operations
- Application interface freezes after inputting data following the latest update, preventing any calculation output
4 of 4 recent reviews analyzed · limited sample
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Crew Rest Calculator
How's the Travel market?
Crew Rest Calculator functions as a specialized utility in the Travel category, currently holding a 2.0-star rating across 6 total ratings. The lack of monetization and maintenance-mode release cadence limits its competitive reach against broader scheduling tools.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Crew Rest Calculator
Where is it heading?
The app is currently in a declining state due to critical technical failures following a major interface update. Without an immediate stability patch, the user base will likely abandon the tool for manual alternatives, effectively ending its viability as a flight-crew utility.
- UI regressions in the latest update prevent calculation output, which erodes the daily active habit and drives negative sentiment.
The SWOT
- Advanced calculation modes for mid-flight services provide specific utility for long-haul crews
- Reverting the interface or adding a stability-focused patch could restore utility
Next best moves
Ship stability patch for input freezing because it is the top-reported bug → restore core utility
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of monetization is a liability: without revenue…
Read the full takeSince the last report: The analysis shifted from focusing on immediate UI-related stability bugs to identifying the lack of monetization as a fundamental threat to the app's long-term maintenance and viability.
Bottom line
Crew Rest Calculator provides a necessary utility for flight crews, but the latest update broke core functionality, so the developer must prioritize stability fixes to prevent total user churn.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated