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@Lvsdisney just stated, the biggest difference is the extra bathroom over at Kidani.. But with that, comes longer walks down the neverending HALLS...LoL
Jambo= BIGGER, More Grand
Kidani= Smaller, more subdued, quainter
POOLS-
Jambo has a rather more spread out area, with a much larger pool..The drawback is the very small (length) slide.
Kidani has a smaller pool but feels more cozy, and has a really awesome slide..It also has an added water play area ( nice size ) with lots of water features. Both Jambo & Kidani had hot tubs, and also both have pool bars/ for drinks and some food offerings.
MEALS-
Jambo has BOMA, JIKO, & also Mara--> QS. This is 1 of the reasons why many choose here.
Kidani has Sanaa ( which is fabulous) All the Restaurants are actually.
Refill and coffee stations can be found at the Mara( Jambo ) & the gift shop in the lobby ( Kidani ) & also at both pool bars for refreshments too.
LOBBY- No comparison here, because the 5 floor atrium of Jambo house is awe inspiring, and second to none...Same architect that designed WL & VGC too. Not to say that Kidani isn't nice, but just doesn't come close.
Also the fact that Kidani picks up & drops off 1st w/ the buses, is a nice perk to have when staying there.
Try them both, for truly It's going to be hard to decide which you'll like better.