Sideline vs. Line2
While Line2 is in the 2nd number game, Sideline is a communication platform in a league of its own.Get Sideline
When you compare,
there's no comparison.
2nd Phone Number
Gives you a phone number for calling, texting, and voicemail.
Patented Caller ID
Sideline's proprietary caller ID clearly shows when your 2nd number is ringing and who's calling it.
Carrier Call Quality
Sideline uses your existing cellular network to connect calls for unmatched reliability. Line 2 is restricted to VoIP calling.
Automatically respond to missed calls with a text whenever you're busy. Learn More
Create and manage multiple voicemail greetings for different circumstances.
The Professional Choice
Sideline is the only 2nd number service designed to help professionals miss fewer opportunities, collaborate as a team, and build their brand.
Live In-App Chat
Have questions or need help? Get assistance immediately!
Follow your calling.
Sideline gives you a 2nd number with all the communication tools you need to start, work, grow, and pursue your passion.
Try it free for 7 days — Only $9.99/mo after
Available for iOS and Android.Get the App
Here's what users are saying about Sideline:
"This app rocks! I am a small business owner, and having a second number to keep my personal life personal is awesome. Without needing a second cell phone!"
- Nikolas D, Sideline User
"I definitely recommend Sideline over something like Line2 or spending with grasshopper. Great app guys!"
- Osei J, Sideline User
"I switched from Line2 to Sideline because Line2 had some issues with message delivery."
- Jason P, Sideline User