Should I wear my Signal 24/7?

Yep! Wearing the Signal more often than not helps Alter gather invaluable biometric data that’s used to customize your Alter plan, and calculate your Readiness Score.

Start Signal - FAQ - Should I wear my Signal 24/7?

How will I know when to charge my Signal?

The easiest way to make sure your Signal never runs out of battery is to enable Alter app notifications on your phone. When Signal’s battery level drops below 20%, we’ll send you a notification to charge it.

Start Signal - FAQ - How will I know when to charge my Signal?

Can I use the Signal alongside my Apple Watch?

Absolutely. The more the merrier. But, remember that an Apple Watch isn’t a substitute for your Signal.

The Alter® Signal

Welcome to Alter

Have questions? We have answers.

Should I wear my Signal 24/7?

How will I know when to charge my Signal?

Can I use the Signal alongside my Apple Watch?