2ndLine
Download FAQs
1.What is an APK file?
An APK (Android Package Kit) is the standard file format used to install Android apps. Simply download the APK, allow installation from unknown sources if required, and follow the on-screen instructions to complete the installation.
2.Why can't I install the APK?
Make sure your device has enough storage space, supports the required Android version, and allows installations from unknown sources. If the problem continues, try downloading the file again or restarting your device.
3. How do I fix the "App not installed" error?
This error may occur if another version of the app is already installed, the package signature is different, or your device doesn't meet the requirements. Try uninstalling the existing version, checking your available storage, and installing the APK again.
4. Is it safe to install APK files?
APK files can be safe to install when downloaded from trusted sources. Before installation, check the app version, Android requirements, and requested permissions. Keeping your device updated also helps improve security.
5. How do I update an app without losing my data?
In most cases, you can install a newer version over the existing one without losing your data, as long as both versions use the same package name and signing certificate. Creating a backup before updating is recommended.
6. The download link isn't working
If you find a broken or unavailable download link, please contact us by email. We'll verify the issue and update the link as soon as possible.
Screenshots
Introduction
2ndLine is a free mobile messaging app. It provides users with a second local phone number, allowing unlimited calls to any number in the US or Canada. The app also supports keyboard and mouse for use on large-screen computers. Users can optimize call quality through flexible routing. The second number can be used for business or leisure, with no contractual restrictions. Users can also earn free funds by completing tasks sent to their account.
Features
Phone calls and texts
2ndLine gives you a second local phone number to use for unlimited free calls to any USA or Canadian phone number. You can make cheap international calls and send unlimited free text and picture messages. There are offers sent to your account that you complete to earn free money or add money yourself to make low-cost international calls.
Big screen and quality
The 2ndLine app can be enjoyed on a big PC screen with your keyboard and mouse for ease of use. Your calls will be routed to improve quality via the elastic calling feature.
Your free second USA and Canadian number
2ndLine - Second Phone Number for Android gives you a second number and allows for free calls and messaging within the USA and Canada, and low-cost international calls. You can have a second line for business or leisure without a second sim card or any contracts.

Usage
Open 2ndLine and follow the on-screen instructions. Then select a US country code to view available numbers.
Select your new number and ensure your internet connection is active before making a test call or sending a text message.
If you want all incoming calls to go through 2ndLine, set it as your default dialer for contact speed dial.
Configure caller ID, ringtone, background, and quick reply in the settings, and add a home screen widget for faster access.
Before making international calls, check the destination rates in the app to ensure the cost is acceptable.

Tips
Utilize Multiple Numbers: Take advantage of the multiple phone numbers feature by assigning different numbers to different purposes. You can have one number for business calls and another for personal calls, ensuring that your professional and personal lives remain separate and organized.
Customize Your Experience: 2ndLine offers a range of customization options, including customizable text-tones, ringtones, vibrations, and backgrounds. Personalize your messaging app to make it reflect your style and personality.
Stay Organized with Quick Reply: When replying to messages, use the Quick Reply feature to respond easily and quickly. This allows you to keep conversations flowing without wasting time searching for the right conversation or contact.

Pros and Cons
Pros
Can set up a second phone line, free of charge.
Gives you your own second phone number that you can then give to others and use as a primary business line or secondary personal line.
Can use already existing data plans and WiFi, enabling you to make domestic calls in the United States and Canada at no additional charge.
Free to download, use, and make domestic calls.
Cons
Must pay an added rate for international calls on your second line.
Cannot set up a phone line if you are located outside of the United States or Canada, thus limiting the app's use.
Comes with in-app advertisements, which can be annoying and may interfere with answering incoming calls.
Users have reported missed text notifications, login errors, and account access problems.

Conclusion
All in all, 2ndLine is a great alternative to getting another SIM card—and is a perfect option for those whose devices don’t support an extra slot for such. While it’s not available worldwide and can often encounter login errors, the app offers enough interesting features to warrant trying out its premium version.