We test the claims.
Not the units.
The name says "Lab," but Testwise Lab does rigorous spec-and-claims analysis — not physical lab testing of individual units. Our verdicts come from an engineering lens applied to the spec sheet, the price, and the brand's own marketing.
What we actually do
We read the spec sheet so you don't have to. We compare what the box says to what physics, battery chemistry, manufacturing tolerances, and price engineering allow. We track when a published number is real, when it's marketing, and when its absence tells you more than its presence would.
What we don't do
We do not buy units, plug them in, and run a stopwatch on the dock. We do not have a sound chamber. If you want hands-on lab measurements, RTINGS and Project Farm do that work better than anyone else.
What we add is an engineering reading of the same data, plus the one inconvenient truth most reviews leave out — "the catch."
The scoring axes
Every category has its own axes — robot vacuums score on Suction Reality, Mapping Brain, Longevity Honesty, and Price Honesty. TVs score on Picture Quality, Format Support, Build & Longevity, and Price Honesty. The axes are public and consistent across every product in a category, so two units are scored the same way.
Where money sits
We may earn a commission when you click through to a retailer and buy. Commissions never influence a verdict, a score, or which products get logged. We have called out products from companies whose affiliate programs we use; we will do it again.
The honest summary
If a product is great, we will say buy it. If a cheaper product does 90% of the job, we will say buy that. If a unit is mostly marketing, we will say skip — even when skipping costs us a click.