The PowerPen is an AI tool that uses GPT AI technology to rephrase, correct grammar and spelling mistakes, and enhance writing style. It provides functions like selecting tone and language, summarizing, and adjusting text length. This app is created to aid professionals, students, and individuals seeking to enhance their writing abilities. PowerPen is offered for free, and pricing details are not provided. The app’s data safety and privacy policies are discussed and can be periodically updated.