Bank credit cards have a rule of free SMS notification. When the cardholder spends more than a certain amount, the bank will notify the consumer for free.

The content of SMS reminder is generally the total bill of the month, the minimum repayment amount and the latest repayment date. In addition, cardholders will receive SMS reminders when swiping their cards, and some will only receive SMS reminders when a single card reaches a certain amount.

There are new free tipping channels. At the same time, banks have also opened up other channels such as WeChat Bank. Cardholders can get free transaction notice by adding official WeChat account.