Please follow tips below to check settings if you are unable to hear audio cue:

For iPhone Users:
  • Turn up Device Alert Volume
    1. Go to device Settings Sounds 
    2. Slide Ringer and Alerts volume all the way to right
  • ​Enable Device Notification
    1. Go to device Settings > Notifications
    2. Turn on Allow Notifications beside desired app​
  • Turn off Airplane ModeDo not Disturb Mode and Silence Mode
    1. Go to device Settings > Airplane Mode and Do not Disturb Mode 
    2. Push the Silence Button on left side of device above Up and Down Volume Button
  • Turn up Trainer Volume
    1. Go to app Settings Workout Options 
    2. Click Trainer > Press Up Volume Button on left side of device on Couch to 5K
Slide Trainer Volume all the way to right on 5K to 10K

For Android Users:
  • Go to device settings
  • Click Sounds and vibration
  • Turn off Do not disturb
  • Click Volume
  • Click Connections
  • Turn off Airplane mode 
  • Slide Notifications all the way to right
    1. Go to app Settings > Workout Options
    2. Click Voice Volume
    3. Slide Voice Volume all the way to right