Doodle Patterns is an iPhone app developed by Lightwood Consultancy Ltd. It falls under the category of Education & Reference and serves as a quick reference guide for doodlers. The app provides users with 100 tangle patterns along with step-by-step instructions on how to draw them.

With Doodle Patterns, users can easily find inspiration or learn something new whenever they want. The app ensures that you always have a library of patterns right in your pocket. You can browse through the gallery to see what others have created with the patterns, and even share your own finished drawings.

One of the key features of Doodle Patterns is its ability to help users relax and focus their minds through simple repetitive designs. This makes it a great tool for anyone looking to unwind and engage in a calming activity.

Additionally, Doodle Patterns offers Pattern Packs 1-4, which can be purchased within the app. Each pack contains 50 new doodle patterns, providing users with even more options and creativity. The latest Pack 4 was added to the app in July 2017, ensuring that users have access to fresh content.

Overall, Doodle Patterns is a valuable app for doodlers of all skill levels. It offers a wide range of patterns, step-by-step instructions, and the ability to share and explore creations. Whether you're a beginner or an experienced doodler, this app is sure to enhance your artistic endeavors.