and BitKeep. What are your reviews about the later? and other reliable options you might suggest?
Bitkeep Seems to be rebranded as
Bitget recently.

And it turns out to be the wallet is closed source so I will not suggest you to use because crypto community is always adviced to go with the things that are open sources so as mentioned by OmegaStarScream the unstoppable wallet
1 is best for multi-crypto storage and they are open sourced
2.
1.
https://unstoppable.money/2.
https://github.com/horizontalsystems