Inside the Connected TV (CTV) ecosystem—meet the different types of OTT platforms and key industry players.
April 10, 2025
Connected TV (CTV) has won the battle against traditional TV, with the number of CTV households in the US expected to reach 121 million by 2027 [1]. This channel is evolving fast—and getting more sophisticated by the day. From ad exchanges to MMPs, the CTV ecosystem relies on multiple players working together to deliver ads effectively. Understanding who’s who in this space is key to making the most out of this rapidly growing channel.
In this article, we’ll break down everything you need to know about CTV:
1️⃣ Connected TV (CTV) vs Linear TV
2️⃣ Connected TV (CTV) vs OTT (Over-the-top)
3️⃣ Why you should be leveraging CTV to grow your mobile app
Linear or traditional TV refers to scheduled programming broadcast through cable or satellite. In linear TV, viewers tune in at specific times to watch shows on specific channels, meaning there’s limited flexibility in what or when they can watch. Ads are served to broad audiences based on general demographics, with no room for targeting or measuring direct performance.
CTV (short for Connected TV) refers to any device that connects to the internet and allows viewers to stream content via apps, web browsers, or social platforms. This includes smart TVs, gaming consoles like PlayStation and Xbox, and dedicated streaming devices such as Roku, Apple TV, and Amazon Fire Stick. Unlike linear TV, CTV gives users control over what and when they watch—and allows advertisers to run programmatic campaigns, focus on specific audiences, and measure campaign performance in real time.
As streaming adoption grows, linear TV ad spend is shrinking, projected to drop from $60.56 billion in 2024 to $56.83 billion by 2027 [2]. Meanwhile, CTV ad spend is on the rise and expected to reach $30 billion this year [3] as advertisers shift budgets toward solutions that make it easier to track the impact of each campaign. These changes are already reshaping the TV industry. For example, prime time is no longer a fixed window—on-demand viewing has redefined when and how people watch, allowing advertisers to reach audiences whenever they're most engaged.
OTT and CTV are two terms that often get mixed up in the industry—and for good reason 👀. They're closely related, but not interchangeable. A lot of the confusion comes from the fact that OTT can refer to two different things: OTT content and OTT as a content delivery system.
Let’s break it down with a quick analogy (fair warning: we’re about to talk about food, so you might want to grab a snack first 😉).
Let’s say you’re ordering pizza...
OTT content
In this analogy, OTT content would be the actual pizza or end product 🍕. Therefore, when we talk about OTT, we refer to the actual shows, movies, and ads you want to watch—on-demand content created by streaming platforms like Netflix, Hulu, and Disney+ (skipping traditional cable providers). Note that not all OTT content is displayed on a TV, it can also be streamed on desktop devices, mobile, or tablets.
OTT as a system
OTT as a system is how the pizza gets delivered to you 🏍️. Whether you’re watching on your smartphone, tablet, laptop, smart TV, or a game console, the content is delivered via the internet—not through traditional cable or satellite networks. Basically, if you’re streaming through an app like Netflix or Disney+ on any of these devices, you’re using OTT as a system.
Connected TV
CTV (Connected TV) is where you eat the pizza 🍽️. It’s the TV device where you stream the content. This includes smart TVs and traditional TVs connected to the internet via streaming devices (Chromecast, Amazon Fire Stick, Roku), set-top boxes (Apple TV), or gaming consoles (PlayStation, Xbox).
In short: All CTV is OTT, but not all OTT is CTV—while all content streamed through CTV is OTT, not all OTT content is streamed through CTV. The key difference lies in where the content is viewed. CTV refers exclusively to internet-connected TVs, but OTT content can also be streamed on mobile devices, tablets, and desktops.
Not all OTT content is delivered in the same way ❗️—different business models shape how users access and engage with paid content. These models also impact how advertisers can reach viewers across CTV platforms.
Ad-supported OTT
Users can access content for free on these platforms—as long as they’re willing to watch ads.
Ad-free OTT
These platforms don’t rely on advertising but on users who pay to access content.
In the OTT & CTV ecosystem, multiple players contribute to delivering, managing, and optimizing ad performance. Here’s a breakdown of the main stakeholders:
With 40% of US advertisers reallocating part of their budgets to CTV in 2024 [2], this channel is solidifying its place in the digital media mix. Here’s why your competitors are adding CTV to their mobile growth strategy:
1️⃣ Expanded reach: CTV helps you connect with users across the devices they use most. In the US, people will spend nearly 6 hours daily on mobile and CTV combined [4]. By adding CTV to your media mix, you can maximize reach and engage users across multiple touchpoints in their journey.
2️⃣ Big-screen impact: CTV ads appear on a full-size screen, delivering an immersive experience and high completion rates. With 80% of users typically watching with others [5], each impression has the potential to engage multiple viewers at once.
3️⃣ Real-time ROI tracking: Integrated with the leading MMPs, CTV-to-mobile technology enables advertisers to track any conversions associated with their CTV campaign in real-time.
📚Recommended read: How CTV can help you grow your mobile app
As CTV continues to gain traction, advertisers have a unique opportunity to tap into a high-impact, data-driven channel. Unlike linear TV, which relies on estimated impressions, performance CTV allows mobile marketers to drive growth across screens and track results in real time being their preferred MMP.
At Jampp, we’re helping some of the leading mobile businesses expand their reach and attract new users with performance CTV campaigns. Want to learn how CTV can work for your app? Check out Serasa Experian’s success story or contact us to talk to one of our experts.
[1] Statista, 2024
[2] eMarketer, 2024
[3] Nielsen, 2024
[4] emarketer (US data)
[5] MNTN Research, 2023