VPN Proxy Master is a free VPN proxy service that is supposed to be safe and secure. However, there are some concerns that users may encounter while using this service.

One potential concern is that VPN Proxy Master is not as secure as some of the more expensive VPN proxy services. In addition, the service does not have a lot of features, which may make it difficult for users to find what they are looking for.

Overall, while there are some concerns with VPN Proxy Master, it is still a free service that may be helpful for some users. However, it is important to be aware of the risks associated with using this service, and to make sure that you are using it safely.