Changlian or WeChat consumes more traffic.

The flow consumed by both is related to the use time.

Changlian is a social application based on voice, short message and video, which can provide users with high-definition voice, video call and short message services. According to the official data of Changlian, high-definition video calls consume about 4MB of traffic in one minute, while voice calls consume less traffic in one minute, only about 0.5MB. Using Changlian for video calls for a long time will consume more traffic.

Wechat is a social application based on text, voice, pictures and videos, which can provide users with instant messaging, friends circle, WeChat payment and other services. According to the official data of WeChat, an ordinary picture consumes about 200KB of traffic, while a short message only consumes dozens of bytes of traffic. Using WeChat to transmit pictures and videos for a long time will consume more traffic.