Rebtel is a telecommunications company headquartered in Nacka Strand, Stockholm, Sweden. It provides affordable international mobile top-up services and cheap international calls, operating under a founding mission to challenge traditional international calling rates.
The company's technology stack spans telecommunications, voice over IP, and call routing. Its international calling service uses what the company calls Red Box technology to personalise the calling experience based on individual needs and behaviour. Rebtel also offers mobile top-up services that allow users to add credit to phones in other countries.
Rebtel serves over 20 million users across hundreds of countries, with a notable presence in markets including Bangladesh, Cuba, Nigeria, India, the Philippines, Ghana, and Pakistan.






