---
title: "Sideline: Private 2nd Number — App Overview"
url: https://marlvel.ai/intel-report/utilities/com-pinger-side-line
category: Utilities
developer: Pinger, Inc.
platforms: ios
rating: 4.4 (14.4K ratings)
pricing: subscription
report_level: overview
generated: 2026-04-16
last_verified: "2026-04-16T17:08:54.623Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers robust communication features, users frequently report concerns regarding high subscription costs and account access issues.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.4 ★ (14.4K) |
| Pricing | subscription |
| Platforms | iOS |
| Latest Version (iOS) | v13.15 |
| Developer | Pinger, Inc. |

<!-- SECTION: Summary -->
## What is Sideline: Private 2nd Number?

Sideline is a communication utility that provides users with a secondary mobile number for private texting and calling. It offers professional-grade tools like custom voicemail and automated messaging to help users manage separate personal and work-related communications.

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

- **Second Phone Number**: Allows users to create a new local mobile number for private texting and calling.
- **Auto-Reply**: Enables automatic chat responses for missed calls to ensure consistent communication.
- **Custom Voicemail**: Provides the ability to set up personalized voicemail greetings for the secondary line.
- **Communication Management**: Includes tools for contact management, text reminders, and cross-device conversation control.

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

Professionals and individuals seeking to separate their personal and work communications on a single device.

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

- [App Store](https://apps.apple.com/us/app/sideline-private-2nd-number/id1012032539?uo=2)
- [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/com-pinger-side-line)

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