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Appaloo is a flat-rate ad exchange where indie developers grow by showing each other's ads. Serve ads in your app, and your app gets promoted across the network. No ad budget required.
Paid user acquisition is brutal for indie developers: CPIs keep climbing and ad budgets vanish fast. Appaloo flips the model. Instead of buying installs, you earn them by promoting other developers' apps inside yours. Every impression you serve builds karma that pushes your own app in front of new users — cross-promotion at network scale, free to start.
The problem with “just run ads”
Facebook and Google ads need real budget and constant optimization to beat rising CPIs. For a solo dev or small studio that money often isn't there — and “go viral” is a wish, not a plan. You need reach you can actually earn.
How free app promotion works on Appaloo
Add the SDK
Drop Appaloo into your app and show an opt-in rewarded or between-screen interstitial ad. Two lines of code, iOS and Android.
Earn karma
Every ad you serve for another developer earns karma — the fairness signal that decides how much reach you get back.
Get promoted
Your ad runs across the network, in front of engaged users of apps like yours. No spend, no bidding — reach you earned.
Why developers use it
Reach that compounds
The more you serve, the more you get back. Growth builds on itself instead of resetting when the budget runs out.
Relevant audiences
Category matching puts your ad in front of users of similar apps — people likely to actually install.
You stay in control
Pick the format and where it shows. Opt-in rewarded ads and clean interstitials, never spammy pop-ups.
Live in minutes
Prebuilt SDKs and a hosted renderer mean you're serving and earning the same day you integrate.
Frequently asked questions
Is Appaloo really free?
Yes. The Free plan promotes one app with no ad spend — you earn reach by serving ads. Paid plans add more apps, more ads, and boosted reach, but you never buy installs.
How can I promote my app for free with no budget?
You trade ad impressions instead of paying for them. Serving other developers' ads earns karma, and that karma promotes your own app across the Appaloo network. The 'currency' is the reach you provide, not cash.
What kinds of apps can use Appaloo?
Any iOS or Android app or game. Category and audience matching means your ad is shown to users of apps similar to yours, whether you make a game, a utility, or a productivity tool.
Will the ads hurt my user experience?
You choose the format and when it appears — opt-in rewarded ads that hand out in-app rewards, or interstitials between natural screen transitions. Nothing is forced into the middle of a session.
Start promoting your app for free
No budget, no bidding — just reach you earn.