Add a second number to your smartphone

Keep your personal number private

Get the App
sideline app phones photo

2 numbers, 1 phone

Sideline is your second number for privacy, work, or whatever you need it for. It uses your phone’s existing carrier network (not Wi-Fi) so your second number is just as reliable as your first.

The App
sideline team solution photo

Great for business

With an Enterprise account, companies can manage multiple employee numbers through the online dashboard. Nobody has to carry two devices and landlines can retire someplace warm.

Enterprise Solutions

Pricing at a glance

Individual
  • $0
  • yep, it’s free
  • 2nd Phone Line
  • Calling
  • Texting
  • Voicemail
  • Carrier Reliability
  • Get the App
Enterprise
  • $9.99
  • user / month
  • everything free, plus:
  • Manage Company Lines
  • Prioritized Support
  • Salesforce Integration
  • Auto-Attendant
  • Start 30-day Trial