Sideline - Second Number for a Business Line app icon

Sideline - Second Number for a Business Line

Get a second phone number for text messages and calls with premium call quality!

Pinger, Inc. · com.sideline.phone.number

4.4 (36 ratings) 5M+ downloads v3.87 21.5 MB Android 6.0+ PEGI 3 · Everyone

Download APK 21.5 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v3.87 (459)
Updated
Jul 13, 2026 (3 months ago)
APK size
21.5 MB
Requires
Android 6.0+ (API 23)
CPU support
ARM 32-bit, ARM 64-bit
Category
Business (app)
Listed since
Nov 27, 2019 (at least)
Permissions
46 (9 sensitive)
Website
sideline.com
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Sideline - Second Number for a Business Line is an app by Pinger, Inc. in the Business category, listed since at least November 2019. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 3.85, the minimum Android version rose from 4.1 to 6.0. It asks for 46 permissions, 9 of them sensitive, including record audio, read contacts and call phone. It asks for the same permissions as version 3.85. The app offers in-app purchases through Google Play.

Ratings

4.4out of 536 ratings
  • 5 ★72%
  • 4 ★11%
  • 3 ★8%
  • 2 ★3%
  • 1 ★6%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v3.87

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: [email protected]

Description

From the listing uploaded by “appupdater”.

SECOND PHONE NUMBER Sideline gives you a 2nd phone number on your smartphone to let you divide your communications easily and without confusion. Sideline is more than a second line for you and your business. It’s the flexible, personal communication app that gives your customers a work number they can use - not your private one. Already tens of thousands of professionals are using Sideline to help them transform how they keep in touch with their customers with a dedicated second phone number that gives out your professional caller ID - and keeps your professional second line separate from your private one. By creating a custom business number, Sideline gives professionals like you the chance to connect with customers, build your small business, and manage all your contacts and communications quickly and easily. Basically, you get your own dedicated, personal work number without the hassle of buying a second phone. Sideline is your second line designed for professionals - and gives you amazing features like: AUTO-REPLY If you miss a call on your work line, Sideline responds automatically with a custom private message. A TEAM WORK NUMBER Split one business number with multiple devices, so your team or department can be more responsive in answering your work line. CUSTOM NUMBER Build your identity with a personalized second number, such as “(555) PET-SHOP” or “(555) FLOWERS.” So you can pick a more durable work line and professional identity, and not just a burner phone number. LOCAL AREA CODE Search area codes to find a local second phone number for your company or small business. BUSINESS TEXTING Text-enable your business to easily connect with customers using your 2nd or work line. ENTERPRISE DASHBOARD Manage work numbers on employee devices. (Enterprise account required. See Sideline.com for details) Because Sideline is so helpful and efficient at helping small business and professionals, we’ve got people porting their Google second number over to Sideline. ADDITIONAL FEATURES FOR YOUR SECOND PHONE LINE CARRIER RELIABILITY All calls are cellular (not VoIP) to make your 2nd phone number as reliable as your 1st. UNLIMITED CALLING ON YOUR SECOND LINE Calls use your existing carrier plan, so no extra calling credits needed for your second number. MESSAGING Texting includes SMS and picture messaging, group messaging, and more. So you keep all the functionalities you need. CUSTOM CALLER ID ON YOUR 2ND PHONE It’s clear which phone number is ringing, so you can prioritize accordingly. SEPARATE VOICEMAIL Record a professional greeting or set up multiple greetings for every situation. VOICEMAIL TO TEXT Save time and conveniently read voicemail transcriptions as a text. DO NOT DISTURB Send Sideline calls directly to voicemail on nights, weekends, or holidays. NUMBER PORTING Transfer an existing number to Sideline from another device or landline. WEB MESSAGING Access your Sideline business number online and text from the desktop. Sideline is a business number, not a burner phone! It’s a second number for professionals that brings connections, inspiration and innovation to small business owners. Keep your private and your work number separate and manage your business more effectively. Download Sideline and create your 2nd line today! 🔄 AUTO-REPLY If you miss a call on your work line, Sideline responds automatically with a custom private message. Privacy policy & terms of use

Version history

2 versions are listed, going back to v3.85. Since v3.87 it requires Android 6.0+.

v3.87 LATEST Jul 13, 2026 21.5 MB TRUSTED v3.85 Feb 6, 2021 23.6 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Jul 13, 2026.
  • Certificate issued to “Pinger, Inc.” This is the certificate of the Google Play version.
  • Same certificate as the other version checked

Store checks and file details

  • Developer signature verified Jul 13, 2026
  • Validated against Google Play Jul 13, 2026
  • Signed byCN=Joe Sipher, OU=Android at Pinger, O="Pinger, Inc.", L=San Jose, ST=CA, C=US
  • Signing certificate (SHA-1)4E:A5:73:18:03:54:8A:4B:9E:42:19:93:6B:A6:FE:B1:16:D7:AF:B5
  • File MD5240cd8c93cc6fae79a28111a99059bce
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (46)

Sideline - Second Number for a Business Line requests 46 permissions, 9 of them sensitive.

Required hardware & features

Sideline - Second Number for a Business Line APK: questions and answers

Is there a version of Sideline - Second Number for a Business Line for older Android phones?

The current version needs Android 6.0 or later. Version 3.85 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 3.85 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Sideline - Second Number for a Business Line free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Sideline - Second Number for a Business Line APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 240cd8c93cc6fae79a28111a99059bce.

Tags

sideline phone number business

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