打印纸 is an app that provides electronic paper for various purposes. With a wide range of A4 paper templates, this app can be used for handwriting practice, homework, note-taking, scheduling, drawing, designing, and creating checklists, among other things.

The paper can be easily shared on different platforms and can be printed directly from both computer and mobile devices. The printing size can be selected as A4.

The app offers a variety of categorized paper templates, including note-taking and planning, memory writing, journal design, and music composition. Each category has specific paper types such as lined paper, Cornell note paper, bullet journal paper, and grid paper.

Please note that there is a subscription option available within the app, offering different membership privileges. The "Trial Version" costs CNY ¥8 per week, providing one week of membership privileges, while the "Permanent VIP" option costs CNY ¥30, offering permanent membership privileges. Subscriptions can be managed and canceled through the user's iTunes account.

For more information on privacy policies and membership payment agreements, please refer to the provided links.