Weba reddit user shares their positive review of planet fitness as someone who was long opposed to it. They praise the equipment, rules, cleanliness, and access of the gym, but. Webthe minimum age required to become a member and use the facilities at planet fitness is typically 13 years old. However, there may be specific restrictions for minors under the. Webverify age at planet fitness: Weblearn the truth behind common exercise myths that can derail your fitness journey. Find out why spot reduction, crunches, and overtraining are not effective or healthy for your. Webyou can join planet fitness starting at the age of 13 with a parent/legal guardian’s permission. Members aged 13 and 14 must be accompanied by a parent or guardian. Amenities may have usage restrictions such as age, time, and frequency of use.