Sideline: Second Phone Number

In-app purchases
3.9
62.6K reviews
5M+
Downloads
Content rating
Everyone
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About this app

Sideline gives you a premium second phone number with reliable text and call quality you won’t get with other calling apps. With unlimited calling and texting, your new second number from Sideline will work just like your first—no wifi connection needed. Just pick your local area code, then text and call from wherever you are using your phone’s cellular signal. Sideline is part of the Pinger family of communication apps, which includes the popular Index and TextFree. To date, Pinger apps have been downloaded more than 160 million times and powered billions of conversations for consumers, professionals, and small businesses.

Sideline is one of the most trusted calling apps that tens of thousands of people rely on daily to manage their calls and text messages separately from their main phone number. Sideline’s patented technology powers reliable, carrier-level call quality that guarantees your phone calls and text messages will go through on time, every time.

Send text messages and place phone calls without wifi while keeping your personal phone number separate. Whether you’re using your second number for online privacy, professional services, or simply to keep communication organized, Sideline gives you the tools and features you need.

With Sideline, you’ll get more than just a second number; you’ll get a full-featured calling and texting app that lets you organize your contacts, reply automatically to missed calls with a text message, and much more. Download Sideline today!

SIDELINE FEATURES:

Second Number + Local Area Code
- Get a local phone number, or select the city and area code of your choice
- Call without wifi! Sideline phone calls and texts work with your existing cellular connection
- Enjoy voicemail, caller ID, sms texting, and premium call quality
- Get unlimited calling and texting, even when you’re offline

Powerful Communication Tools
- Automatically reply to missed phone calls with a customizable text message
- Share photos, videos, and GIFs from a reliable 2nd number
- Assign “Favorite” contacts for ease-of-use

Full-Featured Second Phone Line
- Create a custom voicemail greeting and read transcripts of voice messages
- Calling and texting tools available on multiple devices to stay in touch at any time
- Identify new callers, save contact details, and take notes about your conversation
- Incoming calls are clearly labeled as Sideline calls, so you know when you’re receiving a call to your second phone number, and not your main number.

Sideline gives you everything you have with your primary number and more, in a second number calling app that you can trust to always get the message across. Download today and begin your second phone line experience with a free 7-day trial.

Privacy policy & terms of use
Updated on
Feb 28, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App info and performance
This app may collect these data types
Personal info, Messages and 7 others
Data isn’t encrypted
You can request that data be deleted

Ratings and reviews

3.9
62.4K reviews
Jeffrey Bean, Jr.
February 7, 2024
There have been issues for many months. Often images don't send because they take time to upload. But the app does not continue to attempt. So one ends up with messages with unsent images. The only way to figure this out is to see the red mark next to the unsent photo and manually click RETRY. And, even worse, images that were not sent appear to have been sent. It makes me look unprofessional. I reported the issue in October, but it hasn't been fixed. So I do not recommend Sideline.
13 people found this review helpful
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Pinger, Inc
February 7, 2024
Hi, we're sorry to hear that you've been having issues properly sending pictures on our service. If you could please send us an example of one of these pictures that didn't go through including the date/time, you and your contact's numbers, as well as a screenshot of the error message at reviews@sideline.com. So that way, we can see whats going on.
Damond Stewart
January 21, 2024
I've had this service for over 5 years and its great...when it works! I use it for business and unfortunately the service is only 90% reliable. I've experienced calls not getting through and going straight to voicemail several times thus needing my transfer number recalibrated or changed. The updates are very slow to arrive. indexing messages on Android and the web app is still non existent in 2024! You cant search for a keyword on either platform which is crippling. The interface is clean.
14 people found this review helpful
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Pinger, Inc
January 23, 2024
Hey Damond, we truly appreciate your loyalty and we apologize for any issues you've run into with Sideline. We understand how frustrating that can be for you and your business. So that we can fully address your recent Sideline troubles, can you please email our Support team at reviews@sideline.com? They'll be able to dive into any issues with you.
Jamie Martinez
November 3, 2023
I used to like this app. Was good for me to have a personal number along w my business number, w out a huge price point. But it has gone extremely downhill the last 6 months. There are service outages at least every 2 days. Pics rarely send, even on wifi. No calls come through. It just automatically says "missed call" when it didn't even ring. It's just really gone downhill. 😞 really disappointed.
40 people found this review helpful
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Pinger, Inc
November 4, 2023
Hi Jamie, we'd like to apologize for any recent difficulties you've experienced on Sideline. We understand how frustrating that can be, especially as a long-time user, and we assure you that we don't intend for such things to happen. With that said, if you email us at reviews@sideline.com about this, our Support team will be there to assist you.

What's new

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