RQPE circuits have the potential for various applications beyond quantum computing, particularly in the fields of quantum sensing and metrology. One key application is in high-precision measurements of physical parameters, where RQPE circuits can be utilized to estimate quantum phases with enhanced accuracy. In quantum sensing, RQPE circuits can be employed in developing advanced quantum sensors for detecting and measuring magnetic fields, gravitational waves, and other environmental factors with exceptional sensitivity. Moreover, in quantum metrology, RQPE circuits can play a crucial role in improving the accuracy of measurements in areas such as timekeeping, navigation, and frequency standards. By leveraging the distinguishability and precision capabilities of RQPE circuits, these applications can benefit from enhanced performance and reliability in quantum-based measurement systems.