IsTalk - トーク分析 is a popular app that allows you to analyze and gather information about your LINE conversations without anyone knowing. With this app, you can uncover facts about your chats that you may not have known before. It even utilizes AI technology to determine your compatibility with your chat partner.

The app provides various insights into your conversations, such as the number of chats, the number of stickers exchanged, the number of calls made, and the total call duration. It also tracks how often you apologize to each other and identifies commonly used phrases. Additionally, it reveals the most active time of day and day of the week for your conversations.

IsTalk - トーク分析 is designed to be used offline, ensuring the safety and privacy of your conversations. The app's analysis process does not require internet connectivity, allowing you to use it with peace of mind.

You can view the analyzed results in a user-friendly interface that displays frequently used phrases, the time of day you usually chat, and the speed of your replies. The app also provides a summary of your chat behavior, including the number of chats, stickers, greetings, and apologies.

Overall, IsTalk - トーク分析 is a useful tool for gaining valuable insights into your LINE conversations and evaluating your compatibility with others. Please note that group chat analysis is currently not supported, and the app may not be able to analyze conversations with limited activity or large amounts of chat data.