WhatsApp is a free application for smartphone communication, supporting iOS and Android.

Through WhatsApp push notification service, you can immediately receive messages from friends, family and colleagues.

It is free to switch from sending SMS to using WhatsApp to send and receive messages, pictures, audio files and video messages.

You can upload the call information to the cloud for backup. Click Settings>Call>Conversation Backup, and then you can back up the information to the cloud or other mobile phone. With Whatsapp, you can choose to back up messages regularly.

Modify the font. To make the font bold, add "*" before and after input; To tilt the font, add "_" before and after input; To add strikethrough to the font, add "~" before and after the input.

Transfer the Whatsapp file to your computer. To transfer WhatsApp files to your computer in a hurry, just click the web version of Whatsapp, and you can download files from mobile Whatsapp on your computer.

When someone sends you a picture or video, the phone will automatically download and save it under normal circumstances. However, if you don't want to download it, you will find that this function will waste data and occupy capacity. To cancel this function, you only need to click Settings>Data Usage in WhatsApp to change the Auto Download setting. Please note that the download of voice messages cannot be canceled. All WhatsApp features are free.