You don’t need a $500 smart toothbrush spying on your molars — get these Prime Day deals under $100

The ISSA 3 has been my go-to recommendation for anyone struggling with sensitive gums, so seeing the upgraded ISSA 4 bundled down to $59 is a steal. FOREO's silicone brushes look unusual, but that flexible hybrid head mimics a natural manual stroke while delivering high-frequency sonic pulses without the harsh, rattling buzz of traditional electric models. The ISSA 4 refines the pulse modes and keeps the legendary 365-day battery life (yes, you literally charge it once a year over USB). Plus, this bundle includes a second brush head, giving you a full year of replacement heads right out of the box.

Holding the best value title in our official buying guide, the Laifen Wave Special punches far above its $62 sale price tag. Its sweeping head does the heavy lifting for you, replicating the exact brushing angle dentists tell you to use at the gumline. This refreshed version adds gum-friendly ultra-fine bristles, a soft-touch matte grip, and a boosted 50-day battery life. The app also lets you fine-tune the motor across 1,000 setting combinations so you can dial back the intensity whenever your gums need a break.

Consider the iO3 the no-nonsense workhorse of Oral-B’s lineup. It skips the fancy OLED handle displays and app connectivity, focusing entirely on performance: three core cleaning modes, a built-in 2-minute timer, and a smart light ring that keeps you from mashing bristles against your gums. If you’re serious about improving your gum health on a realistic budget, grabbing this upgraded handle at a $40 discount is a no-brainer.

The Suri 2.0 takes the top spot in our best electric toothbrush buying guide, improving on the original in almost every way. This brush features a much-improved UV-C case that charges the toothbrush and sterilizes the head simultaneously, 40-day battery, and recyclable brush heads. The new intuitive pressure sensor gently pulses to protect your gums without loud alerts, while the aluminum body ensures it looks great on your counter. Add in free head recycling and a modular design built for repair, and this might be the last toothbrush you ever need to buy.

Handpicked as our top choice for teeth whitening, the Quip Ultra completely changed our minds about sonic vibration brushes. We were skeptical of the claims at first, but our testing proved the results were undeniable: it visibly brightens your smile while staying gentle. The touch-sensitive slider gives you over 10 intensity settings so you can ramp up the polishing power or dial it back for sensitive days. Toss in a sleek metal design, 30-day battery life, and a magnetic travel case, and getting it marked down to $87 is a great deal if you're chasing a brighter smile.