Volume Booster for Android is an app designed to enhance your device's sound output by increasing the volume beyond the default maximum levels. It modifies system audio settings to amplify sound, which is useful in noisy environments or when consuming media. However, users should be cautious to prevent potential damage to speakers and hearing.

Generally, it is safe to use if downloaded from reputable sources like the Google Play Store. Nonetheless, increasing volume beyond intended limits may pose risks to hardware and hearing. Users should use the app responsibly and avoid prolonged exposure to high volume levels.

No, it does not require root access. The app works on both rooted and non-rooted devices by making adjustments within the limits allowed by the Android operating system, enabling increased volume without modifying root settings.

While primarily aimed at boosting media and notification volumes, it may slightly enhance call audio by amplifying sound levels. However, it is not specifically designed for call quality improvement, which depends also on network, microphone, and speaker quality.

Yes, overuse can cause audio distortion and potentially damage device speakers if used at very high volumes. Prolonged exposure to loud sounds may also impact hearing health. Users should operate the app responsibly and monitor volume levels to prevent damage.