RTC Winching Load Calculator
Jon Curley Utilities iPhoneiPadiPod touch
RTC Winching Load Calculator is a paid Utilities app for iPhone and iPad by Jon Curley. Requires iOS 17.6. Updated April 2, 2026.
- Price
- 4.99 USD
- on the App Store
- Size
- 23 MB
- Age 4+
- Updated
- Apr 2
- 2026 · v1.5.3
Screenshots
About RTC Winching Load Calculator
Winching Load Calculator is a professional-grade calculation and planning tool designed for Fire & Rescue, recovery operators, and specialist rescue teams. Built using real operational formulas, including the official RTC Resistance Card, this app helps you quickly calculate winching loads, mechanical advantage, stabilisation requirements, and safety margins — directly on scene. Designed to support safer, faster, and more informed decision-making during vehicle recovery and rescue incidents. Core Features WINCHING CALCULATOR • Official RTC Resistance Card calculations • Rolling, damage, and gradient resistance • Accurate effort prediction (EP) • Efficiency and safety factor adjustments RIGGING PLANNER • Mechanical advantage planning • Automatic recommended rigging • Anchor load calculations • Pulley and sling safety checks • Visual rigging diagrams VEHICLE STABILISATION • Strut load calculations • Stabilisation safety status • Automatic stabilisation planning • Capacity and utilisation feedback ROLLOVER AND TIPPING CALCULATOR • Live vehicle tipping visualisation • Centre of gravity indication • Stability warnings • Effort required for recovery LIFTING AND AIRBAG CALCULATOR • Lever principle calculations • Lifting force prediction • Mechanical advantage support STROPS AND SLINGS REFERENCE • Colour-coded sling ratings • Hitch configuration effects • Integrated safety checks DESIGNED FOR REAL OPERATIONS This app is built specifically for: • Fire & Rescue Services • Vehicle Recovery Operators • Rescue Technicians • Heavy Rescue Teams • Incident Commanders • Training and instruction Every calculation is designed to support real-world decision-making, not theory. Improve safety. Improve planning. Improve confidence. IMPORTANT NOTICE This app is a decision-support tool only. Always follow your organisation’s procedures, training, and safety guidance. CONTINUOUS DEVELOPMENT This app is actively maintained and continuously refined based on operational use and feedback. New tools, improvements, and expanded capabilities are added regularly.
What’s new
Version 1.5.3 · Updated April 2, 2026
This update introduces advanced stabilisation modelling: • Centre of Gravity (CG) projection visualisation • Support boundary and tipping detection • Tipping direction indicator • Tie-in force modelling • Real-world load sharing • Improved safety recommendations
App privacy
The developer, Jon Curley, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to RTC Winching Load Calculator
Looking for apps like RTC Winching Load Calculator? Here are 6 similar apps on the App Store. The highest rated is Digipas Smart Levels (4.6/5), and 5 of the 6 are free to download.
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Digipas Smart Levels
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Frequency Analyzer
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| RTC Winching Load Calculator | – | 4.99 USD | April 2, 2026 | |
| Pulley Mech Advantage | 4.0 / 5 (1) | Free | Jun 16, 2026 | Compare |
| Smart RTSP: IP Camera Viewer | 4.5 / 5 (4) | Free | Oct 26, 2026 | Compare |
| Digipas Smart Levels | 4.6 / 5 (277) | Free | Sep 23, 2026 | Compare |
| DPF Monitor for VAG | 4.5 / 5 (13) | 6.99 USD | Feb 23, 2026 | Compare |
| IP Camera Viewer: Cam Hero | 4.5 / 5 (28) | Free | Sep 21, 2026 | Compare |
| Frequency Analyzer | 4.5 / 5 (182) | Free | Oct 3, 2026 | Compare |