Planter: Garden Planner is a free iPhone app developed by Percula LLC. It falls under the lifestyle category and aims to help users arrange their gardens and learn how to grow vegetables.

The app offers a variety of features to assist gardeners of all levels. It provides companion and combative plant information, allowing users to make informed decisions about which plants to grow together. Additionally, Planter includes a planting calendar that suggests when to start seeds or transplant them.

One of the standout features of Planter is its square foot gardening layout grid. This grid makes it easy for users to space their plants appropriately, ensuring optimal growth and yield. The app also provides detailed information on over 80 fruits and vegetables, as well as hundreds of varieties.

For those with unique plant preferences, Planter allows users to add custom plants that may not be included in the app's extensive database.

Overall, Planter: Garden Planner is a valuable tool for both beginners and experienced gardeners. Its user-friendly interface and comprehensive features make it a must-have for anyone looking to enhance their gardening experience.