Free users for your apps and games

Leading cross-promotion network for Windows apps

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What is AdDuplex?

AdDuplex is a cross-promotion network specifically targeted at Windows apps and games. It empowers developers and publishers to promote apps for free by helping each other.

For each 10 ads displayed in your app you get 8 impressions of your ad.

Promote your app for free by helping fellow developers.

Start cross-promoting now


largest independent ad network on Windows


active apps


ads served daily



Why AdDuplex?


Start cross-promoting other Windows apps. You will get free advertising in these other apps in return. The ratio is 8:10. For each 10 ads displayed in your app 8 of your ads will be displayed in other apps.



Fill rate in mobile ad networks can be as low as 10%. AdDuplex helps you utilize 100% of your ad space.



Only ONE line of code in your app.

What users say about us:

I'm a much better developer than I am a marketing guru, so I'm thankful you've made a system that I can easily get results from.

Developer Jeremy Stowe, CEO, Salty Cactus, LLC

Ignoring the possibilities provided by AdDuplex is just simply bad business.

Developer Zoltán Gubics, Independent Game Developer at Obumo Games

How does it work?

Step 1

Register your app and create an ad for it

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Step 2

Place a line of code in your app and start promoting other apps

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Step 3

Other apps will promote yours in return

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