Wenhua's data is accurate and the other two are wrong, but Boyi has made rapid progress recently.

The interface of Putonghua is complex and has many functions.

Boyi interface is simple.

Fuyuan interface is dark.

There are many charging items in Mandarin, but the functions and data are the most complete.

Boyi is free.

Wenhua's service is very good

Mandarin and Boyi have different algorithms in some indicators, so we should trust Mandarin more in this respect.