Unlike Firefox Relay’s current email relay tool, which allows you to create several email addresses that redirect to your actual account, the phone number service only provides you with access to one relay phone number, which cannot be altered once selected. The phone number masking service is also more costly, costing $4.99 per month (or $3.99 per month when paid yearly), while the email service has a free tier and a premium tier that costs $1.99 per month (or $0.99 per month when paid annually). Finally, the new phone number function is currently limited to the United States and Canada but also includes email masking as part of the same subscription.
