At $25 from Walmart, this is the cheapest way to get a real Sonicare in your bathroom. Bare-bones but from a trusted brand with widely available replacement heads.
Sonicare has a $25 model sold at Walmart (Sonicare 1100). Replacement heads can be pricey but I try to get the cheapest ones (Sonicare C1).
The undisputed community favorite under $50. Oscillating brush head, pressure sensor, and a 2-minute timer, everything you need, nothing you don't.
The top sonic alternative to Oral-B, consistently recommended alongside the Pro 1000 as the other safe budget pick under $50. Gentler feel, great for sensitive gums.
Wirecutter's pick when you want oscillating cleaning at a lower price than the Pro 1000. Fewer features but the same core cleaning technology.
A rising challenger from a newer brand that Reddit's frugal community is calling as good as Sonicare, fully configurable and priced competitively. Worth watching.