According to a report of VPN apps for 2019, downloads of these apps has increased 54%. But people need to be careful which VPN app they use. The most popular app called VPN – Super Unlimited sent user data to China. But it’s privacy policy made no secret of this.
We regularly collect and use information that could identify an individual, in particular about your purchase or use of our products, services, mobile and software applications and websites… We use various technologies to determine [your] location, including IP addresses, GPS, and other sensors.
The VPN apps I wrote about are all safe (or at least I personally believe them to be safe).