Ad Review helps you stay ahead of the competition by allowing you monitor which competitors run ads across your apps. Ad Review automatically detects ads it suspects are for similar apps and flags them as competitors. Go to MAX > Ad Review > Review > Competitors in your MAX dashboard to see any detected competitor ad creatives.
Go to MAX > Ad Review > Manage > Competitor Settings in your MAX dashboard to add, customize, or pause the filtering rules that detect such ads. By default, you see Similar apps rules for each platform. MAX generates these automatically. You can pause them but you cannot delete them.
You can also establish your own rules that detect competitors by title, store category, or advertiser.

Create your own custom rules to discover direct competitors. Here are some possibilities: