Anna Vintsevska
Karolina BendrykDigital ad spend grows globally at a yearly rate of 18%.
As a layer between an app and a network, ad mediation allows businesses to optimize digital app spending.
Ad mediation delivers benefits like higher fill rate, improved eCPM, single SDK integration, real-time analytics, A/B testing capabilities, and reduced manual optimization.
Ad mediation platform is a broader concept than an ad network because it can involve multiple ad networks.
App publishers rarely rely on a single ad network. No network can fill every impression, so inventory gets split across multiple demand sources. The alternative is leaving ad slots empty and losing revenue. That creates a new problem: managing multiple networks. More partners mean more complexity, more manual work, and more opportunities to miss higher-paying ads. Meanwhile, programmatic ad spending keeps growing, raising the cost of inefficiency, and this trend can be viewed through digital ad spending growing globally at a yearly rate of 18%.
Ad mediation was built to fix this. It sends requests across multiple networks automatically and serves the highest bid available at that moment. The outcome is straightforward: higher fill rates, better revenue per impression, and less operational overhead.
What is ad mediation?
Ad mediation is a layer sitting between the app and ad networks. Instead of a single network, it involves multiple ones. All of them are squeezed through a single SDK. A kind of traffic controller, but for ads.
Publisher plugs it in once, and decisions happen elsewhere. Which network wins this impression? Who pays more right now? It shifts constantly.
The goal is simple, almost blunt: more filled impressions and higher eCPM, because nothing is left idle if it can be sold. Players are few but entangled: publisher holding inventory, mediation platform doing the routing logic, ad networks competing underneath, advertisers funding the whole chain. Most of it is invisible until the revenue moves.
How ad mediation works: Step-by-step
How programmatic ad mediation works is not really “linear”, even if we draw it like a clean flow.
A user opens the app. That’s the trigger.
Immediately, the app calls the mediation SDK — a small technical bridge sitting inside the build.
SDK sends a request outward. The mediation layer wakes up and checks all connected ad networks to clarify prices, availability, and historical performance. Everything at once, almost messy underneath.
Then the selection happens. One winner. The highest effective bid for that exact impression. Others vanish for that moment.
The ad is returned and shown.
Waterfall vs In-App Bidding
Not all mediation platforms choose ads the same way. For years, the standard approach was the ad mediation waterfall. Ad networks were arranged in a priority list based on historical performance. When a user opened the app, the mediation platform would ask the first network for an ad. If there was no fill, it moved to the next one, then the next, until someone responded.
The problem is obvious: a lower-priority network might have been willing to pay more for that impression, but it never got a chance to compete.
In-app bidding changed the process. Instead of contacting networks one by one, the mediation platform invites all participating networks into a real-time auction. Each network submits a bid at that moment, and the highest bidder wins the impression. This property is, basically, the key to the in-app bidding vs waterfall debate.
The result of such an app advertising strategy is a more competitive marketplace. Networks compete for every impression, not for a fixed position in the ad mediation waterfall.
The table below provides an ultimate waterfall vs in-app bidding comparison.
Parameter | Waterfall | In-App Bidding |
Auction Type | Sequential requests based on priority | Real-time auction among all participating networks |
Decision Speed | Multiple requests may be needed before an ad is found | Single auction determines the winner |
Competition Between Networks | Limited | Direct competition for every impression |
Transparency | Lower visibility into true market value | Higher visibility through live bids |
Setup Complexity | Simpler to configure initially | More technical integration work |
Revenue Optimization | Relies on manual priority adjustments | Automatically captures the highest available bid |
Fill Rate | Depends on waterfall structure and network order | Typically higher due to simultaneous demand |
Operational Effort | Requires regular tuning and maintenance | Less manual optimization over time |
Best Use Case | Smaller apps or legacy mediation setups | Apps with significant traffic and multiple demand sources |
Benefits of ad mediation for publishers
In-app ad mediation became popular for a simple reason: relying on a single ad network usually leaves money on the table. One network may perform well in the US, another in Europe. One may have strong video demand, another may be better at filling banner inventory. Mediation helps publishers tap into all of them at once.
Higher fill rate
No ad network can fill every request. Demand is far from being stable, as there are just too many factors that affect it. Mediation helps find the right combination. If one network has no suitable ad, another can step in. This efficient resource allocation increases revenue.
Higher eCPM
In the programmatic ad mediation approach, multiple networks compete for the same impressions. As a result, the highest available bid surfaces. Competition is always good for pricing, and that's exactly the case. In this way, mobile ad mediation brings better prices and higher eCPM.
Single SDK integration
A mediation platform often works as a central layer for multiple ad SDKs. This means fewer siloed parts of the system and its better manageability. Instead of juggling several disconnected tools, engineers can manage advertising tools through one system.
Real-time analytics
Performance data scattered across five dashboards is difficult to work with. Just like with SDKs, mobile ad mediation platforms gather all analytics in one place. You can check all critical data without jumping between accounts.
A/B testing capabilities
Small configuration changes can have a surprisingly large impact on revenue. Fortunately, A/B testing is here to secure you. An ad mediation platform provides rich capabilities for experimenting with different setups, floor prices, header bidding strategies, etc. This helps you find an optimal mobile app monetization mediation.
Less manual optimization
In-app ad mediation platforms also provide rich automation capabilities to save human specialists' time and effort. In fact, such solutions include workflows that adjust network priorities and monitor performance with minimal human involvement. Based on continuous analysis, the platform can independently route impressions where they are likely to generate the most value, which is one of the key benefits of ad mediation for publishers.
Types of ads supported in ad mediation
Different formats. Different behavior. Same goal — monetize attention without breaking the experience.
Rewarded video
A user watches and gets something back, and that's the core principle. In mobile games, this is usually the top performer. Highest eCPM most of the time. People choose it voluntarily, which changes everything.
Interstitial ads
Full screen and hard stop between moments. Such ads appear between sessions, levels, and screens. Not subtle. But effective when placed with care. Timing matters more than format here.
Banner ads
Small strip. Always there. Quiet ad presence at the edge of the screen.
Lower revenue per impression, but constant. Banner ads don’t interrupt flow. They just sit there and accumulate volume.
Native ads
Blends in and almost disappears. These ads adapt to the app’s UI. Same font, same spacing, same rhythm. They don’t look like ads first. That’s the point.
MREC (300×250)
Medium rectangle. The workhorse. Such an ad sits inside content feeds or between blocks. Not flashy, not hidden. Just standard, reliable display inventory that fits almost anywhere.
How to choose an ad mediation platform
Not all mediation platforms are the same. Some look similar on the surface. Under the hood — very different. Here’s what actually matters.
Number of ad networks (and quality)
More isn’t always better. The real question is: which networks are included? Strong demand sources matter more than long lists. A few high-performing networks beat dozens of weak ones.
Support for in-app bidding
If the platform supports in-app bidding, it is a good sign. It means real competition for impressions instead of static ordering. If not, you’re likely stuck with older waterfall logic.
SDK compatibility
Check this early. Not later. Apart from iOS and Android SDKs, look for Unity, Flutter, and sometimes React Native. If ad mediation SDK integration is painful, everything else becomes harder.
Reporting and analytics
Data matters only if you can actually read it. Look for clear dashboards. Unified reporting across networks. No digging through separate portals just to understand revenue.
Revenue share terms
This factor often gets overlooked. Then it hurts later. Some platforms take a bigger cut than expected. Small differences compound fast at scale. Always check the economics upfront.
Customer support
When things break, response time matters. Good documentation helps. Fast support matters more. Especially during integration or sudden revenue drops.
Ad mediation vs ad network: what’s the difference?
These notions are easy to confuse, but the difference is, actually, fundamental. An ad network sells ads, and that’s it. One source of demand, one pipeline, and no excessive complexity or advanced functionality.
Ad mediation sits above multiple networks. It doesn’t sell ads itself. It decides which network gets the impression and when. Think of it as an orchestration layer. Traffic comes in. Mediation routes it. Sometimes through waterfalls. Sometimes through real-time bidding. Same impression. Different logic behind it.
Here is a table that summarizes the ad mediation vs ad network comparison.
Parameter | Ad Network | Ad Mediation Platform |
Role | Direct seller of ad inventory | Orchestration layer across multiple networks |
Demand Source | Single network | Multiple connected networks |
Decision Logic | Internal network rules | Selection across networks (waterfall or bidding) |
Competition | Limited to one ecosystem | Cross-network competition |
Revenue Optimization | Limited view of market | Optimizes across all sources |
Integration | One SDK per network | One SDK for multiple networks |
Control | Network-controlled | Publisher-controlled |
Complexity | Lower setup, but fragmented scale | Higher setup, better long-term efficiency |
How TeqBlaze can help
Most mediation setups look simple on paper. In reality, they get messy fast — multiple SDKs, inconsistent reporting, and demand sources that don’t always play nicely together.
TeqBlaze provides adtech tools that sit in that middle layer. Our white-label SDK is built for mobile app monetization mediation workflows — basically a way to connect apps to multiple demand sources without stitching everything together manually. One integration, then control sits in the platform.
On the demand side, the white-label SSP acts as the infrastructure layer that connects to a DSP. It’s what enables publishers or ad tech companies to plug in and manage multiple buyers, networks, or auctions under their own setup. Not a single closed system, more like a configurable base.
The idea is not to replace every existing tool. More to reduce the fragmentation that usually comes with scaling ad monetization across different networks and formats.
Final thoughts
Ad mediation solves a real problem: no single network fills every impression or offers the best price every time. By connecting multiple demand sources and letting them compete, you capture revenue that would otherwise stay on the table. The tradeoff is integration complexity — but that complexity shouldn't slow you down. TeqBlaze's white-label SDK handles the orchestration, so you manage one integration instead of five. Ready to stop leaving money on the table? Talk to us about your mediation setup.
FAQ
What is ad mediation in mobile advertising?
A way to manage multiple ad networks in one place and choose which one serves an ad.
How does ad mediation work for app publishers?
App sends an ad request
Mediation layer checks connected networks
Best available ad is served
Revenue is tracked in one dashboard
What is the difference between ad mediation and an ad network?
An ad network is a single, rather straightforward, source of ads. An ad mediation is a platform that manages multiple ad networks and decides which one to use.
What is the difference between waterfall and in-app bidding?
The core in-app bidding vs waterfall difference looks as follows:
Waterfall: networks are checked one by one in priority order
In-app bidding: all networks compete at the same time in a real-time auction
What are the best ad mediation platforms for mobile apps?
Depends on scale and setup. Common options include:
Google AdMob
AppLovin MAX
Unity LevelPlay
Custom mediation stacks for larger publishers
Does TeqBlaze offer an ad mediation SDK?
Yes. TeqBlaze provides a white-label SDK with an ad mediation with top-tier mobile ad networks to enable mobile publisher monetization and a white-label SSP for connecting to and managing ad demand sources.
