Common fixes
From the app’s English Help & Guide · Reference release 1.0
No sound
Check Sound in the space controls or More, then check device volume and the current audio route. Sound is Off in Start gentle, Migraine, and Waiting room presets.
No haptics
Check Haptics in the space controls or More. Haptic feedback also depends on the device and its system settings.
Too much motion or light
Choose the Migraine preset, or set Motion to Still and Brightness to Dim. The device’s Reduce Motion setting also remains a live override.
Lifetime content is locked
Open More › Quieted+ and choose Restore Purchases. Confirm that the device can reach Apple’s services and is using the Apple Account that owns the purchase.