Ad-Supported Video on Demand (AVOD) is referred to monetization of video services that are made available to the end-user at no charge but are Ad-supported by adding advertisement in any manner to the video on demand. It can either be a Freemium service or Hybrid model of SVOD/TVOD/AVOD. AVOD services are typically cheaper than SVOD services.
Examples for Ad-Supported Video on Demand (AVOD): YouTube