Published onSeptember 28, 2025LibreArm – Breathing New Life Into QardioArm DevicesLibreArmQardioArmiOSApple-HealthHealthKitBluetoothOpen-SourceBlood-PressureSwiftSwiftUIMedical-DevicesApp-StorePrivacyWellnessReverse-EngineeringHow I built an open-source iOS app to keep QardioArm blood pressure monitors alive after Qardio, Inc. went bankrupt and removed their app from the App Store.