JustFive offers Free Trial, but Faitness does not.
Pricing for Faitness Starts at $3/month whereas for JustFive Starts at $9.9/month.
Faitness offers several advantages, including GPT models for customization, Considers user workout preferences, Considers user available time, Supports home and gym-based workouts, Offers alternative exercises and many more functionalities.
The cons of Faitness may include a Limited free use, Waiting time for free users, Subscription for premium access, Limited to English only. and Not open-source
JustFive offers several advantages, including 5-minute workouts, Requires no equipment, Suitable for any space, Scientific exercise design, Creates afterburn effect and many more functionalities.
The cons of JustFive may include a Only available on iOS, 5-minute workout limitation, Data tracking across apps, Requires iOS 13.0 or later. and Limited to certain exercise types