Software · Telecommunications
Apps and connections
JRKA Oy is a Finnish company developing software applications and telecommunications services.
Our product
SpareLine
SpareLine is a modern phone number service that allows users to get and use phone numbers from different countries without the need for separate SIM cards.
Numbers can be used for calls and messaging directly through the application across multiple devices. SpareLine is designed to make managing multiple phone numbers simple, whether they are used for personal communication, work, or international connectivity.
SpareLine is developed by JRKA Oy.
Visit spareline.appContact
Let’s talk
Questions about SpareLine or working together? Send an email or reach out on LinkedIn.
Joni Rinta-Kahila
Founder, JRKA Oy