The Ecovacs Deebot T90S line spans 2 generations and 3 models, from the Ecovacs Deebot T90 Pro Omni to the Ecovacs Deebot T90S Omni and Ecovacs Deebot T90S Pro Omni. Ratings run from 4.2/5 to 4.3/5. All of them are still sold.
Each column is a release month, oldest on the left; each row follows one model into the model that replaced it, and a long arrow spans the time between them. A date marked c. is approximate, taken from an announcement or the earliest review we found. Ratings are out of 5 and compare each model against its own type.
More from Ecovacs: every Ecovacs product ranked.
Generation by generation
Deebot T90 Pro Omni to Deebot T90S Pro Omni
The Ecovacs Deebot T90S Pro Omni replaced the Ecovacs Deebot T90 Pro Omni. It rates lower, 4.2/5 against 4.3/5.