Nitecore D4 or UMS4 Which One Is Good to Buy?

I recently bought Eneloop batteries and looking for a charger.
Checked all comments and found Nitecore or LiitoKala are good to buy.
I'm thinking to buy a Nitecore one (D4 or UMS4) the price difference is about $20.
Is it worth to pay $20 extra for UMS4? or just go for D4? D4 is also charging fast??