Download

Download SpareLine

Free to install; calls and messages are paid from your balance. SpareLine also runs in your browser, with nothing to install.

Android

For Android phones and tablets. Incoming calls ring even when the app is closed.

Open SpareLine in Google Play with the button above, on the device you want to use it on.
Choose Install, then open the app.
Sign in with the same account you use on the web. Your numbers and history are there. Allow the microphone and notifications when asked, so calls can be made and received.

Google Play keeps the app updated.
Emergency numbers (112, 911) cannot be called from SpareLine, in the app or in the browser.

For Windows 10 and 11.

Use the button above to download the installer. It is a small file called SpareLine.appinstaller.
Open it from your Downloads folder. Windows’ App Installer shows the app and who it comes from.
Check that the publisher is JRKA Oy, then choose Install.
Open SpareLine from the Start menu and sign in with the same account you use on the web. Your numbers and history are there.

The app is signed by JRKA Oy and distributed from this site rather than the Microsoft Store. Windows may show a SmartScreen notice the first time; if the publisher is JRKA Oy you can continue.
Installed this way the app is set to look for a new version each time it starts.
If opening the file does nothing, App Installer may be missing or out of date. Install App Installer from the Microsoft Store and open the file again.
Emergency numbers (112, 911) cannot be called from SpareLine, in the app or in the browser.

Prefer not to install anything? SpareLine also runs in your browser. Trouble installing? Write to ppa.enileraps@troppus.