Yes, you can receive sign-up bonus for BOTH Crypto.com APP & Exchange. Card-staking and exchange-staking is two separate staking, and you are eligible for BOTH sign-up bonus provided you sign-up with a referral code AND fulfill the staking requirements within five days of KYC.
Do note that you have to fulfill the minimum exchange staking amount [1,000-4,999 CRO for Bonus $10USD of CRO, 5,000+ CRO for Bonus $50USD of CRO]. Once the staking is done, you should receive the sign up bonus (in CRO) in your Crypto.com Exchange account. *Important: Only the FIRST EXCHANGE CRO STAKE is used to calculate the sign-up bonus. E.g. if you only stake 999 CRO initially, and stake another 10,000 CRO, you are not eligible for any sign-up bonus.
Do note that you have to fulfill the minimum required staking amount [e.g. $500SGD for ruby card]. Once the required card staking is done, you will receive the sign up bonus in CRO in your Crypto.com App. For more information, do read this article
Yes, but it has to be within FIVE DAYS from having your account KYC approved. You can reach out to support in APP/Exchange and inform them that you sign-up with the referral code [r9yvz9yuv6]. Do note that you have to fulfill the required card/exchange staking to be eligible for the sign-up bonus.