For trading in DeFi, Caddi reads the swaps sent to your wallet and searches for different trading platforms to execute the same trade at a better price. Each transaction is read before it goes to your wallet and you are given the opportunity to select any of the routes.
The same trade is simulated on other platforms:
We can trade tokens on either Ethereum and Polygon as well as centralized exchanges. Caddi's popup will open and present that trade on the platforms which will save you money ordered by amount saved:
You can select the platform you want to execute that trade on: