Moreover, "Clash of Clans" utilizes a freemium model, where the game is free to download and play, but players have the option to spend money on in-game content. This strategy worrummy mars apkks very well at drawing in a lot of players and incentivizing loyal players to spend money. Additional revenue streams for the app include partnerships, sponsorships, and ads. Through the use of these various revenue sources, "Clash of Clans" has been able to continuously bring in a sizable sum of money and hold its rank as the most profitable gaming app.