無料トーク分析 - L.Checker is a free Android app developed by Tsumuchan App in the Utilities & Tools category. With this app, you can easily analyze your LINE talk history using the LINE backup feature. You can check the trend, transition, and ranking of your talk by analyzing the number of talks, sending stamps, sending images, and more.

This app also supports group talk analysis. You can take a screenshot of the result screen and share it with your friends or loved ones. The app is easy to use, and you can analyze and save your talk by selecting the LINE app and choosing the backup option for text in three simple steps. However, please note that this app is unofficial and does not support the display of stamps or images due to the LINE text backup specifications.