Comparison

Rolling Beast vs Crew Duty Time

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

Head to head
About

Rolling Beast

Track your skiing and snowboarding in 3D, analyze performance data, and share your runs with friends. Features include AI-powered slip analysis, interactive slope maps of Japanese resorts, and group leaderboards.

Highlights
  • 3D tracking playback and sharing
  • Detailed ski performance data
  • Group creation and private leaderboards
  • AI slip analysis
  • Interactive 3D slope maps
  • Ski resort information and snow forecasts
Features
Read full description

3D tracking playback and sharing: Share 3D ski tracking with your friends on Line, WhatsApp, or other social media tools. Rich tracking data: It tracks skis and provides data such as distance, maximum speed, average speed, total descent distance, and run distance. Team up: Create a group and let your friends join, automatically share group member tracking, and create a private leaderboard. AI slip away analysis: Rolling Beast can use machine learning to improve gliding accuracy with live tracking and detect uphill and downhill gliding data. AI Voice Recap: A complete tracking overview is provided when the gliding chase is complete. Sliding Tracking Replay: While riding the gondola, you can play 3D sliding tracking video and enjoy the live tracking screen without stopping. 3D interactive slope map: It shows 14 ski resorts in Japan as custom-designed 3D models and is a map with interactive trails and lifts. You can zoom, pan and rotate to explore. List of ski resorts and snow forecast: Visit the ski resort page to see resort leaderboards, lift wait times, snow forecast for each ski resort, and more. We currently operate at the following ski resorts in Japan: Niseko Able Hakuba Goryu Ski Resort and Hakuba 47 Hakuba Happo-one Ski Resort Ishiuchi-Maruyama Ski Resort Karuizawa Ski Resort Yawatabira Shimokura Ski Resort Lotte Arai Resort Madarao Kogen Ski Resort Naeba Ski Resort Appi Kogen Ski Resort Ryuo Ski Park Hoshino Resorts Tomamu Nozawa Onsen Ski Resort Kamitachi Snow Resort

About

Crew Duty Time

Features
Read full description

Crew Duty Time is a crew duty, rest, and flight-time reference calculator built for flight crew who need a fast short-term planning tool before and during duty. Enter a route, review planned sector times, compare company-style duty limits, track rolling flight time, and keep key duty milestones visible on iPhone and Apple Watch. Key features: • Route-based duty planning with STD, STA, planned flight time, ACT OUT, and ACT IN fields • Configurable company-style settings for report time, taxi time, maximum flight time, maximum flight duty time, LBO, rest, and related limits • Live Activity and local notifications for REPORT, STD, DLY, and LBO stages before ACT OUT is entered • Apple Watch companion view for quick leg review and time entry • In-flight rest planner for multi-crew and double-crew duty planning • Rolling 24-hour flight-time reference • Cabin limits shown as reference information • Local profile import/export for reusable company settings • Offline-oriented workflow with local calculations and no account requirement Crew Duty Time is designed as a planning and reference tool. It is not an official regulatory system, company-approved dispatch system, or legal compliance guarantee. Flight crew must confirm final duty, rest, and flight-time legality against the applicable company manuals, authority regulations, operational control requirements, and current operational conditions.

Screenshots

Rolling Beast4 screens
Crew Duty Time4 screens

Verdict

The call

The clearest difference is price: Rolling Beast at Free against Crew Duty Time's $3.99. Rolling Beast also leads on update cadence (every 5 days vs monthly) and iOS requirement (14.0 vs 26.0). Crew Duty Time's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Rolling Beast is free to download; Crew Duty Time costs $3.99 up front. Rolling Beast sells 3 one-off in-app purchases. Crew Duty Time asks for nothing beyond the download.

UpkeepUpdate frequency

Rolling Beast ships an update every 5 days, Crew Duty Time monthly. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 6 level
Rolling Beast versus Crew Duty Time: the parameters behind the verdict, then further details
ParameterRolling BeastCrew Duty Time
PriceFree — better$3.99
Rating5.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS14.0 — better26.0
Further details — not scored
Size65 MB21 MB
Age rating4+4+
DeveloperRolling BeastCHING-MING HSU

In-app purchases

3 purchases

Rolling Beast

One-time3
  • 1 day pass$5.99
  • 7 days pass$23.99
  • Lifetime pass$59.99
None

Crew Duty Time

No in-app purchases

Questions

Is Rolling Beast free?
Rolling Beast is free to download, with in-app purchases available.
Is Crew Duty Time free?
Crew Duty Time costs $3.99, with no in-app purchases.
Do Rolling Beast or Crew Duty Time have ads?
Neither Rolling Beast nor Crew Duty Time shows ads.
Which is updated more often, Rolling Beast or Crew Duty Time?
Rolling Beast ships an update every 5 days, and Crew Duty Time monthly. Most recently, Rolling Beast was updated on October 14, 2026 and Crew Duty Time on October 3, 2026.

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