Project Based plans are a little more expensive and do not require any contracts. The services are also limited to WordPress theme customization, Header design, logo design and graphics task.
Virtual assistant plans are for who want a dedicated assistant assigned to their company for the life of the account. This ensures maximum efficiency since the assistant will be very familiar with your projects and your methods over time. Virtual assistant plans require a 3 month minimum contract. Other services are available with virtual assistant plans that are not available with project based plans.