Story Plotter is a free Android app developed by mangaSupporter that falls under the category of Business & Productivity. It is a robust tool for creating story plots for novels, manga, movies, dramas, TRPG scenarios, and scripts. This app is designed to help users who struggle with creating a plot, organizing the flow of the story, and developing attractive characters.

The app provides users with the essence of more than ten script reference books, including "Screenplay: The Foundations of Screenwriting" and "Save the Cat," which is called the scripture Bible. With this app, users can easily create plots using stored ideas and the Plot creation function. The plot function has a quantity prediction function, which includes what percentage of the chapter as a whole and how much deviation is from the ideal line.

Additionally, the app offers character correlation diagrams, story order changes, and other features to support users. By deepening the world setting, character setting, and theme setting, users can continue to write plots. The app does not send any creative data to the internet without permission, ensuring that users can use it safely.

The app also offers automatic data synchronization across multiple devices for $4/month, while all other features remain free. Overall, Story Plotter is an excellent app for writers who want to create a compelling story plot.