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

Team Solutions

Pricing at a glance

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