FDR Calculator

Alan Richert

In-app purchases

About this app

🔥 Professional Fire Risk Assessment Made Simple
Calculate Fire Danger Ratings instantly with precision and confidence. Designed for fire management professionals, land managers, and safety authorities who need accurate fire risk assessments in the field.

🌦️ NEW: Weather Pro Subscription
- Real-time weather data integrated directly into FDR calculations
- Automatic location detection or search locations worldwide
- Complete weather history and forecasts for informed planning
- Automatic FDR ratings, weather data updates calculations instantly
- No more manual data entry - let Weather Pro do the work

📊 Real-Time FDR Calculation
- Instant Fire Danger Index calculations based on weather conditions
- Professional-grade algorithms for accurate risk assessment
- Visual color-coded danger levels (Blue, Green, Yellow, Orange, Red)
- Manual calculator always available for offline use

🎯 Interactive Gauge Display
- Beautiful visual gauge showing current fire danger level
- Intuitive interface with easy-to-read results
- Tap gauge for detailed action recommendations

📋 Comprehensive Action Guidance
- Detailed recommendations for each danger level
- Fire behavior predictions and suppression strategies
- Prevention guidelines and aircraft management protocols
- Disaster management procedures for high-risk conditions

🌡️ Flexible Weather Input

Weather Pro Mode (Subscription):
- Automatic real-time weather updates
- Current location or custom location search
- Historical data and multi-day forecasts

Manual Calculator:
- Temperature, humidity, and wind speed sliders
- Days since rain and rainfall amount tracking
- Precise manual input options for exact values
- Real-time calculation updates as you adjust parameters
- Works completely offline

🎯 Perfect For
- Fire management authorities
- Emergency services personnel
- Land and forest managers
- Agricultural professionals
- Safety and risk assessment teams
- Anyone responsible for fire prevention planning

🛡️ Privacy-First Design
- All calculations performed locally on your device
- Minimal data collection, only for weather services when using Weather Pro
- Manual calculator works completely offline with no data transmission
- Weather Pro data encrypted and secure

What’s new

• More accurate Fire Danger Ratings, especially during dry spells
• New: a Today summary with the day's high/low and peak fire danger
• New weather source option: OpenWeatherMap
• Faster, more accurate location search with cleaner place names
• Refreshed Settings and smoother, more reliable startup
• New option to clear cached data
• Performance, security, and stability improvements