Macadam offers several activities to increase your crown balance. Here is a clear summary of the most effective methods, based on the official guidance.
Referrals are a simple way to earn crowns: share the app and each new user who joins through your invite earns you crowns.
Macadam includes mini-games that offer attractive rewards. The more you play, the more you can build up your balance.
Surveys are often among the most rewarding activities for crowns. You earn crowns while helping improve the overall experience.
You can earn crowns by watching sponsored content. This option is limited to 10 ads per day to keep the experience smooth.
Purchases made via the shop and partner brands also earn crowns. The more you shop, the more rewards you collect.
On the official help pages, crown symbols (👑) indicate the relative reward level for each activity.
This information is based on Macadam help: How to earn crowns?