Streaming videos on Viki can consume a moderate amount of data. However, if you are concerned with bandwidth or data limits, you can now restrict how much data Viki uses by adjusting maximum video playback quality on the Viki Android app.
- Tap on Me >> Tap on Settings at the top right
- Scroll down to the Video section
- Switch on Play HD only on WiFi
If you want to control how much data to use while watching a video, you can refer to this article.
To control how much data the Viki app on your iOS device uses, you can learn how to change video quality settings here.