Mountain Worksheet vs Centerline Scheduler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mountain Worksheet
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**Conquer the Mountains with Confidence** Mountain Flying Worksheet is the essential tool for pilots operating in high-altitude terrain. Built by pilots, for pilots, this app delivers accurate, POH-based aircraft performance calculations specifically designed for mountain flying operations. **WHY MOUNTAIN FLYING WORKSHEET?** Flying in mountainous terrain demands precision. Thin air, high density altitudes, and challenging terrain leave no room for guesswork. Mountain Flying Worksheet eliminates uncertainty by providing real-time performance data extracted directly from Pilot Operating Handbooks, ensuring your flight planning is based on manufacturer specifications—not rough estimates. **REAL POH DATA** Unlike generic calculators, every calculation uses actual performance tables from official POHs: • Cessna 172S (Skyhawk) • Cessna 182T (Skylane) • Cessna T182T (Turbo Skylane) • Cessna T206H (Turbo Stationair) **KEY FEATURES** **Instant Airport Data** Enter any airport code and instantly retrieve elevation, temperature, and altimeter settings. Auto-fetch eliminates manual lookups and data entry errors. **Comprehensive Performance Calculations** • Rate of Climb (Departure, Enroute, Arrival) • Takeoff Distances (Ground Roll & 50' Obstacle) • Landing Distances (Ground Roll & 50' Obstacle) • Service Ceiling (300 fpm threshold) • Density Altitude & Pressure Altitude • Weight-adjusted performance for actual aircraft loading **Critical V-Speeds** • Vx (Best Angle of Climb) • Vy (Best Rate of Climb) • Va (Maneuvering Speed at actual weight) • Vra (Rough Air Speed) • All speeds calculated for your specific weight **Mountain-Specific Calculations** • Canyon Turn Speeds (with flap settings) • Temperature lapse rate for enroute calculations • Performance warnings for high density altitude • Flap configuration optimization **Professional PDF Reports** Generate compact, card-style PDF reports for your kneeboard or flight bag. All critical data in an easy-to-read format that fits your workflow. **Smart Performance Warnings** Automatic alerts when: • Density altitude exceeds 5,000 feet • Temperature exceeds 30°C (86°F) • Aircraft weight exceeds maximum gross weight • Climb performance falls below safe margins
Centerline Scheduler
This app provides pilots with a modern, mobile-first interface for managing flight school and flying club reservations. Book, cancel, and log flights directly from your phone, with features like real-time aircraft alerts and Google Calendar sync.
- Book, cancel, preflight, and postflight logging
- Dashboard with bookings, currency, and balance
- Day/Week schedule view with fleet details
- One-tap booking for available slots
- Aircraft change and grounding alerts
- Instructor-student pairing and currency sharing
- Google Calendar synchronization
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Centerline is a free, independent mobile app for pilots at flight schools and flying clubs that use ScheduleMaster. Sign in with your existing club credentials and run your flying from your phone. Book, cancel, preflight, and postflight on the ramp, in the plane, or between meetings. PLAN AND BOOK - Dashboard: active bookings, upcoming reservations, past flights, currency at a glance, and your running statement balance - Day and week schedule: the entire club fleet in one view, tap for detail, pinch to zoom the ribbon, drag to shift the window - One-tap booking: pick an empty slot on any aircraft's ribbon, fill four fields, tap Book - Linked accounts: pilots at multiple clubs sign in once and switch without retyping credentials FLY - Preflight and postflight: Hobbs and tach entry, no-flight and maintenance modes, receipt items - ForeFlight export: send completed flights straight to your logbook - Live Activities: your reservation, the weather, and squawk status on your lock screen - Aircraft alerts: get a push if a plane you booked changes rate, picks up a squawk, or gets grounded before you fly SHARE - Instructor and student links: CFIs pair with students to see upcoming lessons and share currency at a glance - Rideshare: offer a right seat on a cross country you are planning, or ride along on someone else's - Google Calendar sync: every booking mirrors to your personal calendar, optional, connect once in Settings Dark mode, dynamic type, and safe-area aware throughout. Centerline is an independent project and is not affiliated with or endorsed by ScheduleMaster or any club. Your club account stays with your club, and Centerline never stores your password. Requires an active account at a club that uses ScheduleMaster.
Screenshots
Verdict
The clearest difference is update cadence: Centerline Scheduler at every 2 days against Mountain Worksheet's every 5 weeks. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mountain Worksheet ships an update every 5 weeks, Centerline Scheduler every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Mountain Worksheet | Centerline Scheduler |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | ezaero, Ltd. | Great Scott! Interactive |
In-app purchases
Mountain Worksheet
No in-app purchases
Centerline Scheduler
No in-app purchases
Questions
Is Mountain Worksheet free?
Is Centerline Scheduler free?
Do Mountain Worksheet or Centerline Scheduler have ads?
Which is updated more often, Mountain Worksheet or Centerline Scheduler?
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