Keurig K-Supreme Plus SMART Review 2026: App, Not Taste

• App scheduling: The K-Supreme Plus SMART has no on-board timer, but the Keurig app can start a brew at a set time. People with fixed routines benefit most. The trade-off is that you still load the pod the night before, so it automates the brew, not the whole routine. It also depends on your home Wi-Fi staying connected.
• Five sizes (4, 6, 8, 10 and 12 oz) and five strength levels: A household where one person wants a small strong cup and another a large mug benefits.
• Six temperature settings and BrewID: Keurig lists 187–206°F; BrewID reads Keurig-brand pods and suggests settings. Hotter water helps a little, but the short contact time is still the main limit on cup strength.
• Over-ice setting: It brews hot coffee extra strong meant to be poured over ice rather than watering coffee down. Iced drinkers benefit most.
• 78 oz reservoir: Refills every few days for a two-person household. The trade-off is that the water sits longer, so empty it if you go away.
• Touchscreen: Simple to use, though a plastic housing means it will not feel premium.

The hardware matches other Keurig machines: heat water, puncture the pod and push water through the grounds. What the K-Supreme Plus SMART adds is a Wi-Fi connection, BrewID pod recognition and a companion app, so you can start a brew from your phone or schedule one in advance. The pod must be loaded in advance and the reservoir kept filled, because automation does not handle those steps.

Iced mode brews a stronger, smaller cup so ice does not water it down. Brew temperature and strength settings change the flow and contact slightly, but a K-Cup brew still runs for well under a minute, which caps extraction. That is why a drip brewer can extract more from the same dose.

The benefit is convenience: waking up to a ready cup, or starting a brew from another room. The limitation is that connected features cannot improve a brew that happens in seconds. See espresso versus coffee for how brew method affects strength.

• Wi-Fi drops: keep the machine within router range, and try the 2.4 GHz band if the connection keeps dropping; manual brewing still works without the app.
• Forgotten pods: load the pod and fill the reservoir the night before when using a schedule.
• Slow or weak brews: scale is the usual cause. Follow how to descale a coffee machine and use cleaning tablets between full cycles.
• Rising pod spend: a reusable filter with ground coffee is cheaper; a burr grinder guide helps you pick a grinder.
• Thin iced coffee: use the iced setting with a glass full of ice.
• Leaks: see coffee maker leaking water.

Versus other Keurig models. For the full ranking, see our best single-serve coffee makers. The K-Elite, K-Express and K-Mini Mate Plus all use the same pod format. The Smart Brewer is the one to buy only if app scheduling matters; otherwise a simpler model gives you pods for less.

• Versus the OXO Brew 9-Cup: If you prefer a better cup over speed, the OXO Brew 9-Cup brews with real drip contact time at $200-$250.
• Versus bean-to-cup: If you truly want to wake up to coffee without loading anything, the De'Longhi TrueBrew is the closer fit, and the Miele CM 5310 Silence is a quieter step-up if budget allows.

For more drip choices, see the top programmable coffee makers.