GroundRollCalc
Rob Honeycutt Utilities iPhoneiPadiPod touch
GroundRollCalc is a free Utilities app for iPhone and iPad by Rob Honeycutt. Requires iOS 18.5. Updated August 22, 2026.
- Price
- Free
- on the App Store
- Size
- 185 MB
- Age 4+
- Updated
- Aug 22
- 2026 · v2.0.2
Screenshots
About GroundRollCalc
Key Features Ground Roll Estimation Calculates expected takeoff ground roll based on: - Aircraft performance data - Weight and loading - Wind conditions - Density altitude - Runway slope and surface - Runway Visualization Graphical runway display with: - Estimated ground roll marker - Safety margin indicators - Remaining runway awareness Live GPS Mode (Optional) - Track actual takeoff roll in real time - Compare real-world performance to predicted values - Detect deviations from expected performance Aircraft & Airport Management - Store multiple aircraft profiles - Manage airport and runway data - Customize inputs for accurate calculations Built for Real-World Flying - Designed for clarity and speed in the cockpit - Clean interface optimized for iPad use - Focused on practical, decision-support information Important: GroundRollCalc is a supplemental performance tool and is not a substitute for approved aircraft performance data, POH/AFM guidance, or pilot judgment. Always verify performance calculations and operate in accordance with safe aviation practices. Data Sources Airport and aeronautical data may include publicly available datasets such as FAA and openAIP sources. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 2.0.2 · Updated August 22, 2026
— Made GPS source indicator double as a GPS signal strength indicator — Made Airport selection location aware to automatically enter local airport — Added contextual responses to wind data collection process when selecting an airport — Added runway marker for 75% of Vr speed
App privacy
The developer, Rob Honeycutt, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to GroundRollCalc
Looking for apps like GroundRollCalc? Here are 6 similar apps on the App Store. The highest rated is PA28 M&B (5.0/5), and 4 of the 6 are free to download.
-
Where’d It Go?
-
Anchor Watch Remote
-
PA28 M&B
5.0
-
performify
-
Whiz: Aviation Calculator
-
ATL Maintenance App Avioblue
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| GroundRollCalc | – | Free | August 22, 2026 | |
| Where’d It Go? | – | Free | May 20, 2025 | Compare |
| Anchor Watch Remote | – | 1.99 USD | Jul 6, 2026 | Compare |
| PA28 M&B | 5.0 / 5 (1) | 1.99 USD | Jan 10, 2026 | Compare |
| performify | – | Free | Jun 12, 2024 | Compare |
| Whiz: Aviation Calculator | – | Free | Jun 30, 2026 | Compare |
| ATL Maintenance App Avioblue | – | Free | Sep 5, 2026 | Compare |
Compare GroundRollCalc with the top alternatives: ratings, updates, ASO score and keyword gaps →