When and how often you receive the rewards depends on the coin you are staking. For example, Cardano (ADA) is paid out once a week on Monday, Polkadot (DOT) is paid out twice a week namely on Tuesday and Friday and Solana (SOL) on Saturday. You can see for each coin when a payout has taken place.
You can do this by going to Coins -> Proof of Stake -> and select the coin for which you want to know when it gets paid out. Then scroll down slightly. Here you can click on 'Historical rewards' under 'More information'. You will now see when the rewards were paid out. This also makes it easy to see when the next payout will take place. In our app, you can go to the coin you are staking. Here you will see when the next payout will take place.