Sideline vs. Line2

While Line2 is in the 2nd number game, Sideline is a communication platform in a league of its own.

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When you compare,
there's no comparison.

Sideline
Line2

2nd Phone Number

Gives you a phone number for calling, texting, and voicemail.

Yes
Yes

Patented Caller ID

Sideline's proprietary caller ID clearly shows when your 2nd number is ringing and who's calling it.

Yes
No

Carrier Call Quality

Sideline uses your existing cellular network to connect calls for unmatched reliability. Line 2 is restricted to VoIP calling.

Yes
No

Auto-Reply

Automatically respond to missed calls with a text whenever you're busy. Learn More

Yes
No

Multiple Voicemails

Create and manage multiple voicemail greetings for different circumstances.

Yes
No

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.

Yes
No

Live In-App Chat

Have questions or need help? Get assistance immediately!

Yes
No

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.

Here's what users are saying about Sideline:

5 Stars Rating

"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

5 Stars Rating

"I definitely recommend Sideline over something like Line2 or spending with grasshopper. Great app guys!"

- Osei J, Sideline User

5 Stars Rating

"I switched from Line2 to Sideline because Line2 had some issues with message delivery."

- Jason P, Sideline User