They have their own advantages and you should choose the massage gun according to your needs.
Size: From convenience and portability, a mini massage gun will be better. The small size makes it can be easily put in pockets, shoulder bags or luggage.
User-friendly: A mini muscle massager is light to grab, while a full-sized massage gun is heavy. It may be difficult for some people to use due to their strength.
Massage intensity: a full-sized massage gun has more intensity choices than a mini massage gun typically. If you want to have a massage anytime, anywhere, a mini massagers can meet this need perfectly. If you are a fitness enthusiast, a full-sized massage gun can offer strong and professional massage shocks to your muscles.