---
title: "Sideline: 2nd Phone Line App — App Overview"
url: https://marlvel.ai/intel-report/communication/sideline-2nd-phone-line-app
category: Communication
developer: Pinger, Inc
platforms: android
rating: 3.8 (62.9K ratings)
pricing: freemium
report_level: overview
generated: 2026-04-14
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Sideline differentiates itself from standard VoIP apps by leveraging cellular infrastructure to provide carrier-grade reliability for a second phone line.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Communication |
| Rating | 3.8 ★ (62.9K) |
| Pricing | freemium |
| Platforms | Android |
| Latest Version (Android) | 13.13.1 |
| Developer | Pinger, Inc |

<!-- SECTION: Summary -->
## 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.

<!-- SECTION: Key Features -->
## Key Features

- **Carrier-Level Call Quality**: Uses cellular signals instead of Wi-Fi to ensure consistent and reliable call and text performance.
- **Local Area Code Selection**: Allows users to choose a specific local area code for their secondary phone number.
- **Unlimited Communication**: Provides unlimited calling and texting capabilities through the secondary number.

<!-- SECTION: Target Audience -->
## Who is it for?

Professionals and small business owners who require a reliable, secondary phone number for work-related calls and texts.

<!-- SECTION: Links -->
## Links

- [Google Play](https://play.google.com/store/apps/details?id=com.sideline.phone.number&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/communication/sideline-2nd-phone-line-app)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/communication/sideline-2nd-phone-line-app).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*