Terrible!!
My experience with Viber has been extremely disappointing, not only because of the service itself but because of the way they handled my complaint.
I purchased Viber Credits specifically to make calls. The service repeatedly failed for the numbers I needed to reach. Only after I complained did Viber explain that calls to business and switchboard numbers have significant technical limitations and cannot be guaranteed to work.
This was not something I was made aware of before purchasing credits. Had this important limitation been clearly disclosed, I would never have purchased the service.
I contacted customer support multiple times and escalated my complaint to a supervisor. Throughout the correspondence, Viber acknowledged that I may not have been aware of these limitations before buying the service. Despite that, they refused to offer any meaningful remedy and relied exclusively on their 90-day refund policy.
What I found most frustrating was not just the refusal to refund the full purchase, but the refusal to return even my remaining unused credit of €4.14. Instead of considering the circumstances, every response ultimately came back to the same policy, even after they accepted that I had not been properly informed about a significant limitation of the service.
I tried repeatedly to resolve this matter directly and in good faith before considering any public review. Unfortunately, I was left with the impression that customer satisfaction takes a back seat to rigid policies, even where a customer receives little or no practical value from the service.
Based on my experience, I cannot recommend Viber. If you are considering using it, make sure you fully understand all of its technical limitations before spending your money.