The short version: we score five things we can actually verify, and we say where each judgment comes from. We don’t score how a wash feels, because we haven’t felt most of these units and a number would imply we had.
Almost every bidet review online carries a rating, and almost none of them explain what the number means. A 9.2 out of 10 for a seat the writer has never plugged in is a decoration, not a judgment. We’d rather show our work.
The five criteria
Every seat is scored out of five on each of these, and the overall rating is the average, rounded to the nearest half star. On each review, the source of every criterion is printed underneath it.
| Criterion | What it measures | Where it comes from |
|---|---|---|
| Fit flexibility | How many toilets the seat will physically fit | Published tolerances |
| Value for money | Price against what you actually get | Price against feature set |
| Warranty and support | Length of cover, parts availability, service record | Published terms |
| Controls and reach | Whether it can be operated comfortably, including with reduced dexterity | Specs and owner reports |
| Long-term reliability | How the unit holds up after three to five years | Owner-reported |
What we don’t score
Wash comfort, spray feel, dryer effectiveness and seat warmth. These are the things people most want a number for, and they’re exactly the things you can’t judge from a spec sheet.
We do write about them, because owners have a great deal to say on the subject and that’s genuinely useful. But it appears as “owners consistently report the spray is narrower than expected,” not as a score out of five. The distinction matters: one is research, the other would be a claim of experience we don’t have.
Where the information comes from
Manufacturer documentation. Fit tolerances, wattages, warranty terms and electrical requirements are taken from the manufacturer’s own published spec sheets and manuals. Where brands disagree — and on fitment they frequently do — we show both figures rather than averaging them into something neither brand said.
Owner reports. For anything that only emerges over time, we read through owner reviews and forum discussion, looking for themes that recur across many accounts rather than individual complaints. A single person with a faulty unit tells you nothing; forty people describing the same nozzle problem after year three tells you a lot.
We form our own judgment from that reading. We don’t average other sites’ star ratings and republish the result — that would be aggregating someone else’s work and calling it ours.
Our own bathroom. We have a bidet installed and use it daily. That’s useful for understanding the category, and it is not the same as testing the specific model in front of you. Where a review covers a unit we don’t own, the review says so.
Why half stars
Because we can defend the difference between 4 and 4.5, and we cannot defend the difference between 8.6 and 8.7. Decimal scores out of ten imply a precision that no review process actually has. If a scale can’t be explained, it’s decoration.
What doesn’t affect a score
- Whether the brand runs an affiliate program. Several products we recommend regularly pay us nothing.
- How much commission a sale earns. Where a cheaper seat does the job, it scores accordingly and we say to buy it.
- Anything a manufacturer asks for. Nobody pays to appear here and no brand sees a review before it publishes.
The full detail on funding is on our affiliate disclosure page.
When scores change
Manufacturers revise hardware between product generations, and a seat that was excellent in 2024 may be a different unit under the same model name in 2027. We date every review and re-check specifications when we update one. If a score changes, the review says what changed and why.
If a figure here doesn’t match the current spec sheet, or your experience with a unit contradicts what we’ve published, we’d like to know — get in touch. Corrections are made openly.