CPRBAND vs Real Ear Trainer

[PAID FEATURES - PREMIUM SUBSCRIPTION REQUIRED] The following features are ONLY available to users with an active premium subscription: ■ Mobile Features (Paid) - Timeline Graph for Detail CPR information: The timeline graph shows the user's CPR patterns over time. - Recording the around sound: Recorded sound helps in reviewing CPR situations and protects the CPR performer in real medical situations (Korea only for now). - CPR information: Episode time, Minimum and Maximum depth, Depth Accuracy, Average depth, Average angle, BPM, etc. You can also write notes about the CPR situation. ■ Watch Features (Paid After Trial) - Real-time feedback about chest compression depth by screen color ※ IMPORTANT: Free for the first 1 minute of each session. A premium subscription is strictly required for continuous/extended use beyond 1 minute. = Green Light: Target depth = Red Light: Improper depth [FREE FEATURES] ■ Watch Features - Voice feedback about CPR (Good Compression, Push Harder, etc.) This app integrates with Apple Health (HealthKit) to securely manage and sync your CPR session data. Disclaimer: This app provides health-related information, but it is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition before making any medical decisions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Play the songs you love — by ear. You don't need sheet music or years of theory to figure out the music in your head. Real Ear Trainer turns the songs you already listen to into quick, daily reps that train your ear to catch chords, melodies, and changes — until playing by ear just clicks. Drop in your own music and AI builds personalized exercises from the exact tracks you want to play. Start wherever you are — total beginner or seasoned player — and it adapts to your level, with progress tracking and feedback that show your ear getting sharper every day. 5 minutes a day. Then you're playing by ear. • Train on your own favorite songs, not generic drills • AI-generated quizzes from real music • Catch chords, intervals, and progressions by ear • Adapts to your level, beginner to advanced • Progress tracking + targeted feedback Stop reaching for tabs. Start hearing the music — and playing it back.