Sideline - Private 2nd Line

🇺🇸 United States
Pinger, Inc.  | 
68
ASO score
Text
86/100
Reviews
50/100
Graphic
60/100
Other
0/100
rating
App Rating
4.3
rating
Votes
13.81K
rating
App Age
10y 4m
rating
Last Update
Dec 09, 2025
rating
iAP
$0.99 - 99.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
4.34
4.65
-7%
Number of Ratings (Voted)
13.8K
3.2M
-100%
App Age
10y 3m
7y 8m
+34%
In-app Purchases Price
$65
$69
-5 %
Update Frequency
25d
27d
-9%
Title Length
27
23
+17%
Subtitle Length
26
28
-7%
Description Length
2 990
3 038
-2%
Number of Screenshots
140
1325
-89 %
Size
125MB
284MB
-56 %

Category Ranking in United States

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Top Dec 07, 2025 Dec 14, 2025
18
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Top Dec 07, 2025 Dec 14, 2025
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Top Dec 07, 2025 Dec 14, 2025
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Top Dec 07, 2025 Dec 14, 2025
18
19

Ranking Keywords in United States

Keywords App Rank
lỉne
out out
Illustration
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Text ASO

Title (
Characters: 27 of 30
)
Sideline - Private 2nd Line
Subtitle (
Characters: 26 of 30
)
Phone Call and Text Number
Description (
Characters: 2990 of 4000
)
Set up a Sideline number and enjoy all the benefits of having a second line today. With Sideline, you can use your new mobile number for private texting, text chat, contact management, and more. We created Sideline to help streamline your communications by bringing you a second phone number with a complete set of features. Create a new local number, send unlimited texts, and set up your own custom voicemail as you would with your existing phone line. Use mobile phone tools that help keep your conversations organized and help make sure you never miss what’s important. Your Sideline second phone number also includes convenient features like Auto-Reply, text reminders, and coordinated number management that can help you control your conversations on any device. Use Sideline as a reliable private texting app as well when you set up a second number. Never miss a conversation with automatic chat replies if you miss a call. With your second texting number you can send unlimited SMS, MMS, or text messages and always stay connected. Sideline is your app for convenient calling & texting. Set up a second phone line and start connecting when you download Sideline today! SIDELINE FEATURES: SET UP A SECOND PHONE NUMBER - Your second line includes all the features you’d expect, from Caller ID to voicemail - Set up a new phone number with a local area code - All calls are cellular (not VoIP), so your second number is just as reliable as your primary one USE A SECOND TEXTING NUMBER - Send unlimited sms, mms, and text messages to all of your contacts - With your second line, enjoy private texting at any time - Access your Sideline number online and text from another device FEATURES THAT WORK FOR YOU - Auto-Reply moves a missed call to text so you never miss a conversation - Set up a custom voicemail for your new second number and read transcripts of each message - Transfer (or port) an existing number to your second line from another device or landline SMART TOOLS TO MANAGE YOUR CONVERSATIONS - Split a Sideline number between multiple devices to access anywhere - Automatically set up a reminder for tasks related to a certain phone call - Identify new callers, save contact details, and take notes after calls - Save and reuse messages you frequently need to send — SUBSCRIPTION DETAILS Sideline is a paid service. Subscriptions are automatically billed monthly or annually to your iTunes Account and auto-renew unless you turn off auto-renew at least 24-hours before the end of the current period. Payments are charged to your iTunes account upon confirmation of purchase. You can turn off auto-renew or manage subscriptions in your iTunes & App Store account settings. Cancellations take effect at the end of the active subscription period. Any unused portion of a trial period (where available) is forfeited when purchasing a subscription. Terms of Service: https://www.sideline.com/terms-of-service/ Privacy Policy: https://www.sideline.com/privacy-policy/ }
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Visual ASO

Screenshots

Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4.3
13 807 voters

Some Latest Reviews

Neslsonefc
02 Dec, 2025
5
This app is the best calling service I've ever used, just like a traditional phone. I have a suggestion for the web app: it would be great if they could enable calling features, not just texting.
Duprade
18 Nov, 2025
1
My biggest gripe… This app deletes your older messages. I’ve used many of these apps and this has never happened. Why not just stir the messages on the phone memory .. but I open the app to look up older messages from someone and the messages are gone. The chat is still there but after a specific time period it deletes the messages.
Gringoru
01 Nov, 2025
3
Love the app, but after latest updates I miss all text messages, no more sound or any other notifications of incoming messages, this issue makes this app useless in most cases!! I will change the review if developer fix this, but so far already few months nothing fixed. If you need just a second line for phone calls sometimes- app is ok , but if you need full service I will not recommended until they don’t fix the messages problem.
7one0way2
30 Oct, 2025
5
Amazing app. Love that I can change/Kill a number after 24hrs.
Chaaazz2008
13 Oct, 2025
1
Gives error 6114, I think it was. Already deleted and went with someone else.
jadensheff
15 Sep, 2025
1
This app is literally a scam , got the app to have a work cell and paid for a subscription. Paid for the subscription and made 4 calls to myself to test the service out and had my account restricted. Tried to contact customer support to no avail since they don’t have a number to dial. Tried to text them on the app to resolve and haven’t heard back in days. Burning the 16$ it costs to have this platform would have been a better use tbh.
Vhoudini
12 Sep, 2025
2
I have been using Sideline for at least 5 years now. It has always been bare-bones but it generally served its purpose - a second phone line for my business through my iPhone. However, the pricing was increased in mid-2023 (from $9.99/month to $14.99/month) while also removing the ability to download texts, something I need for my profession for compliance reasons. In addition, the app often doesn’t notify me when I have a new text, usually b/c I have missed downloading an update to it (I have no idea why there are so many app updates when the service is so bare-bones). I find the service a necessary evil but will be looking at other alternatives to replace it in the near future b/c copying & pasting (or screenshotting) my texts is not a good long-term solution for me, especially not for the increased monthly cost.
wgman21
12 Sep, 2025
5
I have been using Sideline for over 10yrs. So long in fact, I think I am one of the original customers. My account says “early adopter” on it. Anyway, this has been incredible for me. You get a 2nd line on your phone (I use it as my business number) so I have my main line and the 2nd line. The best part of this app imo is the fact that you text and call from the same app and you can see all of the communications in one place. Particularly helpful if someone says they haven’t heard from you or they claim you are not responding to them. All the calls and texts are in one place. You can set calls and texts to have different ringers so you know when your sideline is ringing vs your main line. You can set out of office messages and have them respond to every call and text. Mine usually say I am out of the office for a week or so and who to call in my absence. It just does everything you need it to. ⭐️⭐️⭐️⭐️⭐️
DL1984nyc
17 Aug, 2025
1
Unable to create an account from the USA. The service doesn’t work. Error 7063.

Other

Additional Information
Rating:
4.3
Voted: 13.81K
App Store Link:
Website:
Email: -
Privacy Policy:
Categories: Productivity, Business
Size: 124MB
iAP: 0.99 - 99.99 $
App Age: 10 years 4 months
Release Date: Aug 25, 2015
Last Update: Dec 09, 2025
Version: v13.7
Version history
v13.7
Dec 09, 2025
Every Sideline update improves speed and reliability. This release includes minor bug fixes and enhancements. Thanks for using Sideline!
v13.6
Nov 19, 2025
Every Sideline update improves speed and reliability. This release includes minor bug fixes and enhancements. Thanks for using Sideline!
Version history