Marie Diamond is an Android application developed by Marie Diamond. It falls under the category of Education & Reference. The app allows users to connect with Marie Diamond to receive their Energy Number and learn how to activate their four best directions for success, health, relationships, and wisdom.

The main features of the app include access to the Tubes of Light meditation, receiving Daily Energy messages, and a small course on how to activate one's home to get better results with the Law of Attraction. The app aims to help users achieve greater success in their personal and professional lives, manifest their goals faster for their health and well-being, attract more positive and loving relationships, and reach higher consciousness.

To access premium content and functionality, users have the option to choose between a monthly or yearly auto-renewable subscription. The subscription will be charged to the user's iTunes or Google Play account at confirmation of purchase and will automatically renew unless canceled at least 24 hours before the end of the subscription period. Subscriptions can be managed and auto-renewal can be turned off through the user's iTunes or Google Play account settings after purchase.