Grid Note is a free iPhone app developed by Xiamen Sumi Network Technology Co. Ltd. It is a versatile note-taking tool that offers a unique "Grid Layout" design to help you structure your thoughts. With its built-in note templates such as SMART, Cornell Note, 5W1H, and more, Grid Note makes it easy to get started. However, you can also create your own templates.

One of the standout features of Grid Note is its organized approach to note-taking. You can categorize your notes using notebooks and tags, making it simple to keep track of your ideas. The app also supports Markdown, allowing you to format your notes with ease.

Grid Note offers offline use, ensuring that you can access your notes even without an internet connection. It also provides automatic backup to iCloud, giving you peace of mind that your notes are secure. For those who require real-time sync across multiple devices, a premium account is available.

The core version of Grid Note is free to use, but there is also a premium subscription option. The premium subscription offers two plans: $0.99 per month with a 3-day free trial, or $9.99 per year with a 1-week free trial. Please note that prices may vary by location.

Overall, Grid Note is a feature-rich note-taking app that offers a unique grid format for structured notes. Whether you're a student, professional, or someone who loves to organize their thoughts, Grid Note provides a smart way to note.