Overview · Full Intel report in progress

Sideline: 2nd Phone Line App is an established communication app that is free with in-app purchases. With a 3.7/5 rating from 80.6K reviews, it shows polarized user reception.

What is Sideline: 2nd Phone Line App?

Sideline provides a dedicated second phone number that utilizes cellular networks rather than VoIP for reliable communication. Developed by Pinger, it offers a professional-grade calling and texting experience that functions independently of Wi-Fi. It is designed for users who need to maintain a clear separation between their personal and professional communications.

Current Momentum

v26.5

Better. Faster. More Reliable. That's our motto for every update. And in this release, performance updates make Sideline all of those things. If you're enjoying the app, please leave us a rating or review. Need help? Email us at: AndroidHelp@sideline.com

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Communication

No ranking data

Rating Pulse 🇺🇸

What makes this app unique?

What Does It Look Like?

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What Are The Key Features?

Carrier-Level Call QualityStandard

Uses cellular signals instead of Wi-Fi to ensure consistent and reliable call and text performance.

Local Area Code SelectionStandard

Allows users to choose a specific local area code for their secondary phone number.

Unlimited CommunicationStandard

Provides unlimited calling and texting capabilities through the secondary number.

How much does it cost?

Freemium

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

Analysis in progress, available soon

What is the competitive landscape for Sideline: 2nd Phone Line App?

How's The Communication Market?

How does it evolve in the Communication market?

Rank progression

1 active ranking tracked — 30-day window

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Sideline: 2nd Phone Line App

Key Takeaways

Sideline differentiates itself from standard VoIP apps by leveraging cellular infrastructure to provide carrier-grade reliability for a second phone line.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Sideline: 2nd Phone Line App, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Sideline: 2nd Phone Line App Intelligence Report.” Updated Apr 17, 2026. https://marlvel.ai/apps/sideline-2nd-phone-line-app

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Data licensed under CC-BY-NC 4.0