Tested products
What the test actually found.
Real results and the context you need to understand them.
Evidence you can examine
Product claims, tested.
Each case separates what was advertised from what a test actually showed. The method and limitations are published alongside the result, so you can check the reasoning yourself.
How these case studies are written
We publish the claim we can document, the original measurements, a plain-English explanation, and any limits on what we can conclude. A tool's test result is evidence about the tested unit, not proof that every unit from a brand behaves the same way. Read our editorial standards.