The availability of mobile applications for iPhone and Android;
Profitable referral program;
The exchange operates only in countries that do not prohibit the cryptocurrency by the law, which at one point excludes the fact of its sale from any local market.
If you suspect that your account was hacked, Coinbase phone number is available for you in 24/5 mode.
Coinbase support may not answer your questions for a long time ;
It is difficult to pass verification, which reveals every client as a person (the main advantage of cryptocurrency is anonymity);
Coinbase tracks all your activity and it will ban you from making some transfers (transactions related to adult services, bitcoin gambling, trading contraband through darknet markets, reselling coins on other exchanges, especially without AML / KYC).