TP-Link’s entries in the smart home ecosystem can occasionally get a little confusing. The company has two smart home sub-brands: Kasa and Tapo. The worst part is that they often overlap with each other, and there’s no clear differentiator between both brands. TP-Link has seemingly already realized this and will start to merge them under one app.
Source : TP-Link’s Kasa and Tapo Devices Are (Partially) Merging