No. MandaTone creates an anonymous account automatically so you can start learning immediately. You can optionally sign in with Google or Apple to sync your progress across devices.
MandaTone asks for microphone access when you start a speaking exercise. If access is off, the exercise explains how to enable it in iOS Settings. Return to MandaTone and tap the microphone; recording does not start automatically. If iOS restarts the app after a permission change, reopen your practice.
MandaTone uses Microsoft Azure for pronunciation assessment against the practice text. The returned scores can include pronunciation accuracy, fluency, and completeness; the pitch comparison is a separate visual aid. A high score on one short attempt is not a full assessment of your Mandarin ability. Tips for practice: