WhatStats - Chat Statistics is an iPhone application developed by Lorenzo Meccoli. It falls under the category of Utilities & Tools and is available for free.

With WhatStats, users can import their WhatsApp chats and analyze various statistics related to their messages, emojis, schedules, and the most active friends. The app allows users to determine their sociability and activity level in chats, with the aim of increasing their level to become a "Dictator".

One of the key features of WhatStats is its ability to provide users with insights into their chats. Users can view the number of messages sent and the ranking of the most active participants. Additionally, the app provides a mood analysis of the chat by showcasing the most used emojis and their rankings.

WhatStats also offers a comprehensive ranking of the hottest times during chat sessions, allowing users to identify the most frequently used time slots. Furthermore, the app provides a ranking of the oldest chats, giving users a glimpse into their chat history.

The app includes a leveling system that categorizes users based on their chat activity, starting from "Beginner" and progressing to "Dictator". This feature allows users to track their chat engagement and strive for higher levels.

Additionally, WhatStats provides rankings of emojis used with each participant, allowing users to discover their most common emoji usage patterns. Furthermore, the app offers rankings of messages, emojis, and time slots that users utilize the most.

Overall, WhatStats - Chat Statistics is a user-friendly application that allows WhatsApp users to gain valuable insights into their chat habits and engage in fun analysis of their chat statistics. It is a fast and easy way to explore and share the results of favorite chat groups.