Device check

Tests what the app needs from this phone. Nothing leaves the device.

  1. This device

    Checking… 
    
    
    2. 

    
  2. 
      
    Keep data stored
    
      Not run
      
    Asks Chrome never to clear the app's data to free space.
    
      
    
      
    
    
    3. 

    
  3. 
      
    Store 300 MB of audio
    
      Not run
      
    Saves 300 MB of test data, the size of the audio library. Then restart the phone and open the app again: this step checks itself when the page opens.
    
      
    
        
        
        
      
    
      
      
    
    
    4. 

    
  4. 
      
    Play the app's audio format
    
      Not run
      
    A 6-second clip in Opus/WebM. You should hear four rising and falling tones.
    
      
    
        
        
        
      
    
      
    
    
    5. 

    
  5. 
      
    Record and play back
    
      Not run
      
    Records 5 seconds from the microphone and plays it back. Say anything.
    
      
    
        
        
        
      
    
      
      
    
    
    6. 

    
  6. 
      
    Keep playing with the screen off
    
      Not run
      
    Starts a 3-minute clip. Turn the screen off with the power button, wait 2 minutes, then unlock and come back to this page. Android phone only.
    
      
    
        
        
      
    
      
      
    
    
    7. 
  


  

    
Results

    
Copy these and paste them into the next Claude Code session.