Speed Mod Calc is a companion app for arcade rhythm and dance games. Use Speed Mod Calc to quickly calculate speed modifiers and track your workout. Features: - Speed modifier calculator: Calculate the correct speed modifier based on your reading speed. - Heart rate: Track your heart rate with an Apple Watch. - Calories: See how many calories you have burned. - Heart rate zones: Know which heart rate zone you're in based on your maximum heart rate. If you would like to report an issue or request a feature for the app, feel free to contact the App Support email.
