The ookyo app and VPN does use battery, however, our team have done extensive tests to ensure it's optimised for nearly all common Android smartphones. We assure you that the battery usage of the app is similar to other common consumer apps.
If you see a warning on your phone that flags the ookyo app as having high battery usage, this is why:
The ookyo VPN routes all of the phone's app traffic through the ookyo app to give you unlimited internet.
ookyo processes the data from all of the apps on your phone so that it can give you unlimited internet. However, since ookyo is processing the data from many apps, Android records the data usage as if it is coming from ookyo app itself. This makes the ookyo app's data usage look very high.
Android calculates battery usage partially by how much data an app uses
The more data you use, the more battery you burn. Since the ookyo app looks like it's using a lot of data, Android therefore sees the battery usage as if it's coming from ookyo. This means that data and battery usage from Facebook, Spotify, etc. will then register as coming from the ookyo app in some phones and therefore looks much higher.