Using Google Voice for international calls offers great integrations, competitive international rates and dual functionality for business and personal use - making it one of the most universal international calling apps on this list.Īs is the case with most Google products, this app is easy to use and integrates well with most, if not all of your existing platforms, particularly within the Google Workspace ecosystem. We've tested every top-rated VoIP provider on the market and found that, while Google Voice isn't the best VoIP provider overall (that honor goes to RingCentral), it is the best international phone calling app by a mile - for a number of reasons. Alternatively, you can use our free online VoIP comparison tool to find an international calling app that's better tailored to your needs, or if you'd like a more in-depth look at these providers, scroll down for discussions of their individual ins and outs. Just below, we've put together a table of the best international calling apps with the help of our independent research team, so that you can compare their key features quickly and find the best option for your business. These services limit the number of fees you pay and simplify the arduous processes usually involved with calling internationally. Today, VoIP (Voice over Internet Protocol) apps like those listed here can cheaply and effectively connect you with the rest of the world. International calls used to be expensive and complicated. However, there are plenty of other options that might suit your particular needs better. Our research shows that Google Voice is the best app international app because it has plenty of helpful features, offers competitive pricing, and provides both business and personal use functionality.