Depends. Both devices can be ideal for calming your body and enhancing relaxation, but some users prefer the Muse S for its sleep tracking feature. However, if you are looking for a more budget-friendly option, the Muse 2 may be a better match. Depends. Both devices can be ideal for calming your body and enhancing relaxation, but some users prefer the Muse S for its sleep tracking feature. However, if you are looking for a more budget-friendly option, the Muse 2 may be a better match.