MileSpan

Stop guessing if your e-bike will make it. MileSpan tells you today's realistic range based on the actual weather, your specific battery, and your route — not the manufacturer's marketing number. Cold mornings drain your battery 35% faster. Headwinds can cost you 20% of your range. A three-year-old battery has lost 12% capacity. Add a hilly commute and a heavier rider, and the "60 miles" on the box becomes "maybe 25." MileSpan does the math so you don't get stranded. HOW IT WORKS 1. Set up your bike: battery capacity (Wh), motor type, and year purchased. 2. MileSpan checks today's local temperature, wind, and your route's elevation. 3. You get today's realistic range and a recommendation: which assist mode to use, or whether to charge at your destination. It takes 60 seconds to set up. No account required. CORE FEATURES (FREE) Today's Range Card See your realistic mileage right now, with a clear status: GO, OK, TIGHT, RISK, or NO-GO based on your route distance. Why Breakdown Tap to see exactly how cold weather, headwind, battery age, rider weight, and terrain changed your range from the ideal estimate. Weather Conditions Display Local temperature, wind speed, wind direction, and precipitation alongside your range estimate. PRO FEATURES Upgrade to Pro for deeper insights: - 7-Day Range Forecast — Plan rides up to a week ahead - Multiple Bikes — Track range for cargo, commuter, road, and mountain bikes separately - Multiple Routes — Save commute, weekend loop, and errand routes - Round-Trip Analysis — Outbound and return computed with proper headwind direction - Daily Morning Notification — Get tomorrow's range alert at your chosen time - Battery Health Log — Track degradation year over year - Headwind Direction Analysis — Per-route bearing for accurate wind impact - Tire Pressure Cold-Correction Reminder PRIVACY FIRST All bike, route, and rider data is stored locally on your device. No account required. No tracking. No ads. Location is used only to fetch weather data from the Open-Meteo public weather service. Coordinates are never stored on any server. DISCLAIMER This app provides general range estimates based on weather data, bike specifications, and rider input. It is not a substitute for personal judgment, manufacturer guidance, or backup planning. Actual range varies with riding style, battery condition, tire pressure, and individual bike characteristics. Always plan for less range than estimated. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/