Frog Kata enhances your speed that you can blitz Pain while the six paths are present making your attacks difficult to dodge
If by some miracle you are dodged, Frog Katas will still kill the opponent with an undetectable punch
Frog Kata strengthens you to the extent that you can carry Kurama and fling large Summonings are your skin becomes so hard you can shatter chakra blades with your palm.
Frog Kata stops you from feeling pain.
Jyuuken doesn't increase speed, or strength
Costs a lot of chakra
Must connect if its to have any effect and has been dodged a lot.
Its Kaiten defense costs a lot of chakra
Sixty Four Palms can be sheilded.
Frog Kata is a
taijutsu style.
It doesn't grant these abilities to the user. Sage mode is what grants these abilities.
Also jyuuken does
not cost much chakra at all. Not only that, jyuuken user have absolutely perfect chakra control, which greatly enhances the how efficiently they use their abilities.
Though it must connect to have any effect, there is no other way to defend against this taijutsu other than preventing connection or having a chakra proof shield to cover your body like kidomaru.
Not everyone is able to simply dodge the strikes of a hyuuga taijutsu master.
While kaiten does cost considerable chakra, it doesnt wipe out their chakra reserves as since its not like their reserves are very small. Its also one of the strongest defenses.
Kidomaru was a very rare case where he was able to secrete a substance that blocks chakra. No one else has this ability.