What's the best Android app for boosting microphone volume without adding static during calls or recordings?

Microphone Amplifier is an Android application developed by DOSA Apps that focuses on improving audio input quality by amplifying microphone signals while minimizing unwanted noise. It is particularly effective for users who need clearer voice transmission in real-world scenarios, such as video conferencing, voice memo creation, or assisting individuals with hearing impairments. The app offers specific features like customizable gain controls, which allow precise adjustment of volume levels, and an optional background noise suppression toggle that lets users filter out distractions when needed. Real-time audio processing ensures low latency, making it practical for live conversations. Reviews indicate that many users find it helpful for being heard distinctly across rooms, with one noting improved call quality without static interference. However, some limitations exist, such as variable performance depending on device microphone hardware and potential increased battery usage during prolonged operation. Despite these minor drawbacks, the app's simplicity and effectiveness in enhancing voice clarity make it a reliable tool for everyday audio enhancement tasks.