I just created a new Strava account and saw this in the settings page of the app. A Strava subscription is not required.
Offer expires on 31/01/2026. This is a promotional offer and is not for resale, has no cash value, and will not be replaced if lost or stolen. Valid only for Apple Fitness+ in Australia. Valid for new and qualified returning subscribers only. Apple Fitness+ subscription required. Requires Apple Account with payment method on file. Apple Fitness+ renews for $14.99/month after the promotion until canceled. Payment will be billed to payment method on file and can be cancelled anytime at least a day before each renewal date in your service account settings. Terms and Apple Privacy Policy apply; see the applicable terms for your country at https://www.apple.com/legal/internet-services/itunes/ww/ . Must be 13 Years or older and in Australia. Compatible products and services required. Apple is not a sponsor of this promotion. Apple Fitness+ is a service mark of Apple Inc.
Best wishes!
What are you going to do after 2 months?
The free one is probably fine, with these things just get it or don't.