Wrong.
subscription /səb-skrĭp′shən/
noun
1. A purchase made by signed order, as for a periodical for a specified period of time or for a series of performances.
2. An agreement to receive or be given access to electronic texts or services, especially over the Internet.
3. Acceptance, as of articles of faith, demonstrated by the signing of one’s name.
The American Heritage® Dictionary of the English Language, 5th Edition
https://www.collinsdictionary.com/dictionary/english/subscription
“A subscription is an amount of money that you pay regularly in order to belong to an organization, to help a charity or campaign, or to receive copies of a magazine or newspaper.”
You want to throw out some examples, this century please, where your subscription isn’t a recurring charge?