Difference. between balinese and javanese

There is a big difference. Javanese massage is much "rougher". The javanese use something like a body scrape, similar to the Chinese, often they use a copper coin vigorously scrape the skin with that. It is used in a diagnostic way. Javanese massage is deep and use a variety of oils from neutral to hot (spicey) oils. It is used to combat injuries of illness.
Balinese massage is also deep but far more relaxing. They use techniques such as Thai thumbing, thai palming, reflexology, aromatherapy , fresh herbs a body scrub. This massage lends itself much better to a Spa setting than Indonesian.