What's the best Android app for finding my vocal range without straining my voice?

Simply Sing is a dedicated vocal training application built for Android that focuses on helping users safely explore and develop their singing voice. For individuals curious about their vocal range—be it beginners or seasoned singers wanting a check-up—the app offers a systematic approach. Its core feature is a guided vocal range test that walks users through scales, recording their highest and lowest comfortable notes to map their range onto a piano roll interface. The exercises are specifically engineered with gradual pitch increments and real-time visual feedback, which helps users avoid pushing their voice beyond its current limits. This is particularly useful for choir members needing to confirm their part (soprano, alto, tenor, bass) or soloists selecting appropriate song keys.

Beyond identification, the app includes daily warm-ups and targeted exercises for different parts of the range, which are beneficial for maintaining vocal health. User reviews frequently highlight its role in preventing vocal cord strain, suggesting the methodology is effective for self-guided practice. A significant limitation, however, is the app's subscription model for full access, which is not immediately apparent during the initial download. Some users express frustration about this paywall after completing the first few steps. Furthermore, while the pitch tracking is generally reliable, occasional technical glitches with microphone detection have been reported, particularly on older Android devices. Despite these hiccups, for its primary purpose of safe vocal range discovery, Simply Sing provides a focused and user-friendly toolkit that stands out in the mobile music education space.