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Line2 - Second Number on Your Phone

By Line2, Inc.

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Line2 is your second number that works on your iPhone and all your other devices as a full-featured business phone system, designed for mobile professionals, freelancers, and entrepreneurs. Call and message from a separate number on devices you and your team already have, via Wi-Fi or your existing cellular network, with anyone in the U.S. and Canada for only $9.99/month, or with other Line2 users for free.

The latest Line2 app for iPhone and iPad now comes with a native calling experience enabled by CallKit. You can now enjoy incoming calls that come in full screen with a visual caller ID, that can be answered directly from the lock screen with a simple swipe — exactly like a regular iPhone call.

Line2 is free to download and to use to call and message other Line2 users. Invite others to download Line2 today so you can communicate with them at no additional cost and without any ads. To call and message users outside of Line2, simply upgrade with an in-app purchase.

Experience the ideal phone system for you and your business with a designated number in the area code of your choice. Keep business and personal separate without needing to purchase clunky landline phones or carry a second mobile phone.

Use your Line2 number across your iPhone, Mac, PC, iPad, and even Apple Watch.
Get a native calling experience with CallKit integration. Enjoy incoming calls that come in full screen with a visual caller ID that can be answered directly from the lock screen with a simple swipe — exactly like an iPhone call.
Choose a number in any city in the U.S. or Canada.
Enjoy picture and group messaging — even using Siri — with anyone in the U.S. and Canada.
Get a rich and virtually unlimited calling experience that includes caller ID for incoming calls, call forwarding, group calling with up to 20 people, number blocking, and much more.
Enjoy quick and easy setup with no additional hardware required.
Use over Wi-Fi/4G/LTE and cellular voice so you’re never without service.

Looking for a business solution for your small business that grows with your company and offers advanced features like an auto attendant, toll-free numbers, online faxing, and much more? Learn more on our website.

Line2 offers monthly paid subscriptions at $9.99 per month. Subscriptions will be charged to your iTunes account at confirmation of purchase. Subscriptions will automatically renew unless you turn off auto-renew at least 24 hours before the end of the current subscription period. You can manage your subscriptions in Account Settings after purchase.

Privacy Policy:
Terms of Service:

Questions or comments? We’re here to help, seven days a week: or tap Settings -> Help from within the app.

What's New in Version 10.0.2

* Enhanced read/unread message statuses to be live across all devices.
* Improved CallKit experience with better mute button behavior and quiet ringer functionality.
* Expanded Bluetooth support. (We'd love to hear how Bluetooth is working for you. Let us know by going to Settings -> Help -> Email Our Support Team within the Line2 app.)

For any and all questions, please go to


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Customer Reviews

Worth the monthly price

This is a good app for my business needs. I use the app to add an additional business phone number separate from my personal, that I can use both on my iPhone. There seems to be times that I don't see incoming calls and they go straight to vmail, it'll show a missed call but the phone def didn't ring. Sometime from going from wifi to cellular calls drop, especially when driving, my phone automatically links to xfinity wifi hotspots and when I'm driving a call might start out on that network, which is a weak signal when out on he road, then the call sometimes drops when it switches to cellular. But overall this is a good service for the price. I asked customer support if Line2 was supported by Windows 10 Mobile and didn't get a straight answer, the reason I asked is that I was highly considering switching to the upcoming "Surface Phone" and wanted to ensure the app would be available on that operating system, but I'm not sure if that is true so now I'm leaning toward just staying with iOS and getting the iPhone 8 instead.

Does anyone else have this problem???

As one person stated in a previous review sometimes the app doesn't ring and either shows a missed call or you get a voice mail. Doesn't happen a lot but it does happen. 2nd thing is since the last update when I use a Bluetooth headset and while I'm on a phone call a 2nd call comes in it makes the first phone call garbled so then you have to disconnect and call people back. So I have reported it but nothing has been done I have had to forward all my phone calls to my cell phone. I can make a phone call out on Line2 but receiving a call and the getting a second call is impossible. I get a lot of calls in day so it is a big deal to me. Other than these problems it works great love it. So when Line2 gets this fixed I will then rate it 5 stars.

You gave me a phone number used by jail criminals

You assigned me a phone number used in prison by inmates and I get calls all the time by courts and judges and the lawyers and from prisons inmates too. I have tried to clear this up for over 5,or 6 years I have had this line 2app. When. It comes time for renewal this year I don't know where I will renew again. Just as cheap to get another smart phone line for a little more and not have to rely on wifi . Line 2 needs improvement to eliminate the trash call from advertisers that always calling also. The text part is nice but now there are lots of free text apps for iPod itouch and tablets and don't have to worry about the trash phone calls coming in. Work on your app filters .

Line2 - Second Number on Your Phone
View in iTunes
This app is designed for both iPhone and iPad
Offers Apple Watch App for iPhone
  • Free
  • Category: Productivity
  • Updated:
  • Version: 10.0.2
  • Size: 116 MB
  • Apple Watch: Yes
  • Language: English
  • Seller:

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

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Top In-App Purchases

  1. Line2 Standard$9.99