D4Planner is a free Android application developed by Especially for Singles LLC in the Lifestyle category. It is a tool that helps you plan and share your Diablo IV character builds with others. With the interactive skill calculator, you can create and share skill builds, and experiment with item builds by equipping various legendary aspects and powerful unique items. You can also explore the interactive map and locate and track Altars of Lilith, Quests, Dungeons, Aspects, Events, Bosses, etc.

The application is not affiliated with Blizzard Entertainment. D4Planner is an excellent tool for those who are excited about the release of Diablo 4, as it allows them to plan out their character build and track their Diablo 4 world progress. The app is easy to use and navigate, making it accessible to all users, and the interactive skill calculator is a great feature for experimenting with different builds. Overall, D4Planner is a must-have tool for any Diablo 4 enthusiast.