Head-to-head · Best Bidet Toilet Seat Attachments

Luxe Bidet Neo 320 Plus vs TOTO Washlet S5 (SW3446)

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

TOTO Washlet S5 (SW3446) comes out ahead by a narrow margin (4.6 vs 4.7). The gap is mostly about buyers who want the full electric-seat experience with a heated seat, dryer, and endless warm water and have a nearby outlet — read the strengths below before deciding.

Ranked #2 in Best Bidet Toilet Seat Attachments

Luxe Bidet Neo 320 Plus

4.6

$65.99as of Jun 7

The Luxe Bidet Neo 320 Plus is the bidet attachment most reviewers now put at the top: dual nozzles with genuinely good pressure, optional warm water without electricity, and a patented slide-in install that also lets the whole unit hinge up so you can clean the bowl underneath. Reviewed called it the best attachment they have ever tested. The lever controls hugging the bowl are the main quibble, but for around $65 it is the value-and-performance sweet spot in non-electric bidets.

Strengths

— Dual nozzles deliver a well-judged rear and feminine wash with adjustable pressure
— Warm-water capable by tapping a hot-water line - no electricity required
— Patented EZ-lift hinge installs without removing the toilet seat and lifts for easy bowl cleaning

Watch-outs

— Side-mounted lever controls sit tight to the bowl and can be hard to see past your thighs
— Handle-shaped controls can be bumped, accidentally changing temperature or pressure
— Lightweight plastic body is not as sturdy as some pricier competitors

$65.99 · Check Price on Amazon Full review →

Higher ratedRanked #1 in Best Bidet Toilet Seat Attachments

TOTO Washlet S5 (SW3446)

4.7

$682as of Jun 7

The TOTO Washlet S5 is the premium pick - a full electric bidet seat that replaces your toilet seat and adds a heated seat, instantaneous endless warm water, a warm-air dryer, automatic deodorizer, and self-cleaning wand tech (EWATER+ and PREMIST). Wirecutter named it the best bidet seat. It costs roughly ten times an attachment and needs a power outlet, and a few owners report leaking over time, but for the full luxury experience nothing here is close.

Strengths

— Instantaneous water heater delivers endless warm water at 95-104F
— Heated seat (82-97F) with warm-air dryer (three temps) and automatic deodorizer
— Front, rear, and soft-rear washes with oscillating and pulsating options

Watch-outs

— Far more expensive than any non-electric attachment, often $700+
— Requires a nearby GFCI power outlet - electrician may be needed
— Some owners report occasional water leaking over time

$682 · Check Price on Amazon Full review →

How they stack up

Luxe Bidet Neo 320 Plus

The best all-around attachment here - it beats the Tushy Classic 3.0 on dual nozzles and self-cleaning while costing less than the warm-water Tushy Spa 3.0, and it offers far more wash control than the budget single-nozzle Brondell SimpleSpa Thinline; it cannot match the heated seat, dryer, and instant warm water of the electric TOTO Washlet S5, but it costs a fraction as much.

TOTO Washlet S5 (SW3446)

The luxury electric seat in this lineup - it adds a heated seat, warm-air dryer, deodorizer, and instantaneous endless warm water that no non-electric attachment can match, but it costs roughly ten times the Luxe Bidet Neo 320 Plus or Tushy Classic 3.0 and needs a power outlet; the Tushy Spa 3.0 approximates its warm water without electricity, and the Brondell SimpleSpa Thinline is its budget opposite.

Specs side-by-side

Spec	Luxe Bidet Neo 320 Plus	TOTO Washlet S5 (SW3446)
Type	Non-electric clip-on attachment	Electric bidet seat (washlet)
Nozzles	Dual (rear + feminine)	—
Water Temperature	Cold + warm (hot line optional)	—
Pressure Control	Adjustable lever	—
Self-Cleaning	360-degree nozzle + guard gate	EWATER+ wand + PREMIST bowl
Install	Patented EZ-lift slide-in hinges	—
Power	None - water pressure driven	—
Warranty	18 months (24 with registration)	—
Water Heating	—	Instantaneous, 95-104F (endless)
Heated Seat	—	Adjustable 82-97F
Dryer	—	Warm air, 3 temperatures (95-140F)
Wash Modes	—	Front, rear, soft rear; oscillating + pulsating
Remote	—	Wireless, memory for 4 users
Fit	—	Elongated

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