Sideline vs. Line2

Line2 offers basic VoIP calling, texting, and voicemail, making it an acceptable choice for new small businesses. However, its limited feature set leaves a lot to be desired—especially for personal users.

Sideline powers millions of phone numbers with patented, carrier-level call quality and unlimited texting while boasting a wide variety of features to make communicating with your 2nd number more convenient.

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Sideline

Line2

2nd Phone Number

Choose a reliable 2nd number with unlimited calling, texting, and voicemail. Learn More

Patented Carrier Call Quality

Unlike Line 2, Sideline uses proprietary technology to connect calls via your cellular network for unrivaled reliability.

Optional VoIP Calling

Sideline lets you connect calls via the internet if your cellular coverage is spotty. Line2 only offers VoIP calling.

Unified Inbox

Sideline streamlines your communication by managing calls and texts in one place.

Advanced Caller ID

Sideline displays a suggested name for incoming callers to help you identify and prioritize them.

Auto-Reply to Calls & Texts

Automatically respond to missed calls and texts whenever you’re busy. Learn More

Multiple Voicemails

Create and manage multiple voicemail greetings for different circumstances.

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 $14.49/mo after

Available for iOS and Android.