The Kindle Paperwhite (2024) model you're referring to typically comes in versions with or without ads. The ad-supported version displays ads on the lock screen when the device is turned off, but not during reading. If you purchase the ad-supported model, you can pay a fee to remove the ads later.

Regarding the integrated translator or vocabulary feature, the Kindle generally supports built-in dictionaries and translation capabilities. You can access these features directly on the device without needing to download additional apps. However, specific details about downloadable translators might vary, and it's best to check the device's settings or Amazon's official documentation for more information.