Support fees are charged by companies to provide technical and customer support for their products or services. Some synonyms for support fee include maintenance fee, service fee, subscription fee, assistance fee, and helpdesk fee. The maintenance fee refers to the ongoing upkeep and updates required for a product or service. Service fee could refer to the cost of providing assistance to customers. Subscription fee is a recurring charge for continued access to a service or product. Assistance fee or helpdesk fee indicates payment for access to technical support and customer service. These terms are all interchangeable and refer to the cost of providing ongoing support and assistance to customers.