Comparison

3in90 vs Crew Rest Pro

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

Head to head
About

3in90

Features
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In aviation, to be allowed to legally operate an aircraft in commercial air transport or carrying passengers, you need 3 takeoffs and 3 landings in the preceding 90 days on that aircraft type. By entering the dates of your takeoffs and landings, this app gives you an easy to interpret preview of when your next ones are due. With 3in90, you can manage all your relevant aircraft types - separately.

About

Crew Rest Pro

Features
Currently charting
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Crew Rest Pro is a professional crew rest calculator built for pilots to plan, manage, and optimize inflight rest schedules with precision. Designed for real-world operations, the app helps flight crews quickly calculate rest rotations, ensuring balanced workload distribution and improved fatigue management on long-haul flights. With an intuitive interface and powerful features, Crew Rest Pro reduces complexity and allows you to focus on safe and efficient operations. Features β€’ Instant Crew Rest Calculations: Quickly determine optimal rest periods between crew members. β€’ Custom Crew Names: Assign real names instead of generic labels like CM1 or CM2. β€’ Save & Share:Export rest plans as screenshots and share with your crew instantly. β€’ History Log:Keep track of previous calculations for quick reference. β€’ Operational Simplicity: Built for fast use in the cockpit and briefing environment.

Screenshots

3in904 screens
Crew Rest Pro4 screens

Verdict

The call

The clearest difference is price: 3in90 at Free against Crew Rest Pro's $0.99. 3in90 also leads on iOS requirement (9.0 vs 15.1). Crew Rest Pro's advantage is update cadence (daily vs every 5 days) and chart position (#195 vs unranked). On ads, in-app purchases and device support 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

3in90 is free to download; Crew Rest Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

3in90 ships an update every 5 days, Crew Rest Pro daily. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

Scorecard4 real differences Β· 3 level
3in90 versus Crew Rest Pro: the parameters behind the verdict, then further details
Parameter3in90Crew Rest Pro
PriceFree β€” better$0.99
Update frequencyEvery 5 daysDaily β€” better
AdsNoNo
In-app purchasesNoNo
Best chart rankβ€”#195 β€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 β€” better15.1
Further details β€” not scored
Size50 MB43 MB
Age rating4+4+
DeveloperiService Ottner RΓΆckbillig.ch GmbH

In-app purchases

None

3in90

No in-app purchases

None

Crew Rest Pro

No in-app purchases

Questions

Is 3in90 free?
3in90 is free to download, with no in-app purchases.
Is Crew Rest Pro free?
Crew Rest Pro costs $0.99, with no in-app purchases.
Do 3in90 or Crew Rest Pro have ads?
Neither 3in90 nor Crew Rest Pro shows ads.
Which is updated more often, 3in90 or Crew Rest Pro?
3in90 ships an update every 5 days, and Crew Rest Pro daily. Most recently, 3in90 was updated on October 20, 2026 and Crew Rest Pro on October 16, 2026.

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