The Ease, TEMPUR-Ergo, TEMPUR-Ergo Smart Base, and TEMPUR-Ergo Extend Smart Base are all power bases. Each have different features depending on what you are looking for.
The Ease is a great option if you are looking to simply adjust the head and foot positioning only. The Ease Power Base features head and foot positioning, a zero gravity preset (elevates your head and feet to closely simulate weightlessness and help take the pressure off your back while you sleep,) and a wireless remote.
The TEMPUR-Ergo Power Base includes all that the Ease features and additional features underbed lighting, USB ports, 2-zone massaging, and a QuietMode setting that can gently adjust to an anti-snore position.
TEMPUR-Ergo Smart Base
The TEMPUR-Ergo Smart Base is a power base that includes all that the TEMPUR-Ergo has, but has Sleeptracker®-AI (artificial intelligence) to provide sleep insights, sleep monitoring through the Sleeptracker app, sleep coaching, voice control, and automatic snore response. With automatic snore response turned on, the Smart Base will be able to detect intense snoring and adjust to the anti-snore position or vibrate to awake you. This power base has the option to control the base through the Sleeptracker app.
TEMPUR-Ergo Extend Smart Base
The TEMPUR-Ergo Extend Smart Base is a power base that includes all that the TEMPUR-Ergo Smart Base has, but also features 4-zone massaging, a PerfectSeat position (exclusive Tempur-Pedic technology that optimizes the shape of your mattress so you can relax in a more natural position) and Pillow Tilt which enhances your head lift with a slight tilt at your neck. This power base has the option to control the base through the Sleeptracker app.