What Is AVOD? Advertising-Based Video on Demand Explained

What is AVOD? AVOD stands for advertising-based video on demand: streaming where viewers choose any title from a library and watch it free, or at a reduced price, while ads play before or during the video. Advertisers pay instead of the viewer. YouTube, Tubi and the ad-supported tiers of paid streaming services all use it.

For content owners, AVOD is one of the four core ways to earn from a video library, alongside subscriptions, rentals and free linear channels. This guide explains what AVOD means, how ads actually get into the stream, how it compares with SVOD, TVOD, BVOD, PVOD and FAST, and when it is the right fit for your catalog.

What is AVOD, and what does AVOD stand for?

AVOD stands for advertising-based (or ad-supported) video on demand. It describes any streaming service where viewers can choose from a catalog of on-demand titles and the service shows ads to pay for them.

The IAB’s digital video advertising glossary defines AVOD in exactly those terms: a streaming service offering an on-demand catalog that contains advertisements. The IAB UK’s connected TV definitions go a step further and include hybrid services, where viewers pay a subscription fee and still see ads. That broader meaning matters, because some well-known ad-supported offers are paid plans with ads, not purely free services.

Two words in the name do most of the work:

• Advertising-based: advertisers, not viewers, are the main source of revenue.
• On demand: the viewer chooses what to watch and when, and starts it from the beginning. That separates AVOD from scheduled linear TV.

The AVOD meaning also shifts slightly depending on who is asking:

• For a viewer, AVOD means free or cheaper access in exchange for watching ads.
• For an advertiser, it means buying ad impressions next to specific shows, often with audience targeting that broadcast TV could not offer.
• For a content owner, it means every view of every title can earn money, as long as there is demand to fill the ad breaks.

That last point is why AVOD matters so much to studios and distributors with deep catalogs. A title that no subscription service wants to license can still earn a little every time someone presses play.

So when someone asks “what is AVOD,” the shortest honest answer is “YouTube-style viewing,” even though the model now covers everything from free movie apps to premium subscription services that sell an ad tier.

How does AVOD work?

AVOD works by reserving ad slots in each video, asking an ad server which ads to show the viewer in front of the screen, and playing those ads before, during or after the content. It all happens in the fraction of a second before a break starts.

A typical ad request runs like this:

1. Ad slots are defined. Each title has pre-roll (before), mid-roll (during) and sometimes post-roll (after) positions. Mid-roll breaks are placed at natural pauses, such as scene changes.
2. The player or server asks for ads. When a break approaches, a request goes to an ad server with information about the content, device and, where permitted, the viewer.
3. The ad server decides. It picks ads from direct campaigns or programmatic buyers and returns them, usually in the VAST format.
4. Ads play and are measured. The ads run, and impression and completion events are reported back so advertisers can be billed.

Client-side vs server-side ad insertion

There are two ways to get the ad into the viewing experience. With client-side ad insertion (CSAI), the app or player on the device fetches and plays the ad separately from the video. With server-side ad insertion (SSAI), ads are stitched into the stream before it reaches the device. The IAB UK describes SSAI as stitching ads into the content prior to delivery as one single stream, which reduces buffering between content and ads. SSAI is popular on connected TVs, where viewers expect breaks to feel like broadcast commercials.

How AVOD makes money: CPM, fill rate and ad load

AVOD revenue is the number of ads actually served multiplied by the price advertisers pay per thousand of them. Three levers control that number.

• CPM (cost per mille). The price an advertiser pays for 1,000 ad impressions. CPMs rise with audience quality, targeting data, content that brands want to sit next to, and viewing on big TV screens.
• Fill rate. The share of available ad slots that actually get sold. An empty slot earns nothing, so a library with thin ad demand can have lots of views and little income.
• Ad load. How many minutes of ads run per hour of content. More ads raise short-term revenue but can push viewers away.

Put together, the basic formula is: impressions served x CPM / 1,000 = gross ad revenue, before the share taken by the platform, ad-tech providers and sales partners.

AVOD vs SVOD, TVOD, BVOD, PVOD and FAST

AVOD is one of six common “-VOD” and streaming labels. The differences come down to two questions: who pays, and does the viewer choose the title or join a schedule?

A few pairs cause the most confusion:

• AVOD vs SVOD. The difference is who pays. SVOD charges the viewer a recurring fee for access; AVOD charges advertisers for the viewer’s attention.
• SVOD vs BVOD. SVOD is defined by its business model (subscription). BVOD is defined by who runs it: a broadcaster’s on-demand service, which the IAB UK notes is typically ad-funded and free to the user. So most BVOD is actually a form of AVOD.
• SVOD vs PVOD. SVOD gives ongoing access to a catalog for a monthly fee. PVOD sells early, time-limited access to a single new release, often a film, at a premium price.
• AVOD vs FAST. Both are ad-funded. AVOD is on demand; FAST is a lineup of scheduled channels.

For a deeper look at which of these suits a given library, and the economics behind each, see our comparison of FAST vs AVOD vs SVOD monetization models. And if the umbrella term trips people up, our guide to what OTT streaming means covers the category all of these sit in.

Is YouTube AVOD? Real-world examples

Yes, YouTube is the most familiar example of AVOD: free on-demand video with ads, plus an optional paid membership that removes them. The simplest way to answer “what is AVOD” is to point at services people already use.

• YouTube. Free to watch with ads, with YouTube Premium sold as a paid membership for viewing without ads. Its scale on the living-room screen is striking: Nielsen’s July 2026 Gauge report put YouTube at a record 14.2% of all US TV viewing, with streaming overall at 49.0%.
• Tubi. Fox’s free streaming service is an AVOD service at its core. In an August 2026 announcement, Tubi reported 110 million monthly active users, a library of more than 375,000 movies and TV episodes, and said the overwhelming majority of its viewing is on demand.
• Ad tiers of subscription services. Several paid services now sell a plan with ads alongside an ad-free plan. Under the IAB UK definition, these hybrid tiers count as AVOD too.
• Broadcaster apps. A TV network’s own catch-up app, typically free with ads, is BVOD and works as AVOD.

Pros and cons of AVOD for content owners

AVOD is the widest-reaching way to monetize a library, but it pays per view rather than per customer, so it rewards scale and engagement. Here is how that trade-off looks from the owner’s side.

Advantages

• No price barrier. Free access lets new viewers try your content without committing, which grows the audience faster than a paywall.
• Revenue from older titles. Catalog content that would never justify a subscription can still earn from ad impressions every time it is watched.
• Discovery. A free tier can feed viewers into paid offers later.

Drawbacks

• Revenue per viewer is lower than a subscription in most cases, and it moves with the ad market.
• You need ad demand. Without direct sales or programmatic partners, fill rates and CPMs stay low.
• Ad experience matters. Too many breaks, or clumsy ones, hurt viewing time, which in turn cuts impressions.
• Measurement and technology add cost: ad servers, ad insertion and reporting all have to be in place before the first dollar comes in.

Why hybrid models are now the norm

Most streaming businesses no longer choose one model. They offer free-with-ads access for reach, subscriptions for loyal viewers, and one-off purchases for premium or new titles, often inside the same app.

The logic is straightforward. AVOD brings people in cheaply. Some of those viewers will pay to remove ads or to get new episodes sooner. A few will pay a premium for a specific event or release. YouTube runs exactly this pattern with a free ad-supported service and a paid ad-free membership, and subscription services selling ad tiers are running the reverse. Our playbook on how streaming apps make money walks through how these revenue streams stack.

What is AVOD worth to your library?

AVOD is worth most when you have a large or evergreen library, content that appeals to a clear audience advertisers want to reach, and a goal of growing viewership rather than maximizing revenue per person. It is worth less for a small catalog of premium titles that fans will happily pay for.

So what is AVOD’s place in a modern strategy? For most owners, it is one tier among several. Put the deep catalog behind ads, keep flagship or new series behind a subscription, and sell special releases as pay-per-view. Tall Tale lets you mark each show as SVOD, AVOD or PPV, globally or show by show, inside your own white-label vertical and horizontal streaming app for iOS and Android, with an ad stack, payments and analytics built in. If you are deciding how to monetize a library, a Tall Tale demo is a quick way to see those models running side by side.