Simple comparison of IM services-ring letter wins

1 Contrast Pro plus: When the user reached millions of, the ring letter than pro-plus a lot cheaper, such as reaching 300, the ring letter only charges, not many million, the ring letter received 5000, and pro-plus is 54000 yuan, are fast is the ring letter 11 times times.

2 Contrast Cloud: Cloud messaging has been sent notification messages and other features have not been developed, and the ring letter early.

3 Contrast: Message free (Sheng Huan Xin), Rong Lian features can be called outside the phone, etc., but pay, for the individual developers this is not necessary, even if added this feature, the individual can not afford the cost. Baidu is 8, while the ring letter is 192