VPN - 夏时 Accelerator is a free VPN app developed by XIASHI LIMITED for iPhone users. This app provides a simple way to connect to many free servers without the need for registration or providing any personal information. The app also offers VIP servers with high-quality connections in different regions for users who have higher needs.

One of the main features of this app is that it offers a network delay display for each line, so users can choose the server line that is most suitable for them. Additionally, the app takes privacy and security seriously and does not collect any information about users.

In terms of in-app purchases, users can choose to pay for VIP servers on a monthly or annual basis. The app also offers an option to remove ads for a one-time fee.

Overall, VPN - 夏时 Accelerator is a user-friendly and straightforward VPN app that offers free and VIP servers for users in need of a secure and private connection. Check out their privacy policy and terms of use on their website.