Compared — Independent Review Sites

Compared — a small directory of specialist review sites. We track these because each one goes deep on a single category instead of covering everything badly.

Weapon Tester

Airsoft / parts builder & ballistics tools

Weapon Tester (weapontester.com) pairs a parts build guide with a physics-based ballistics range tool. People use it when searching for best airsoft parts and upgrades.

Deep Penetrations

Penetrating oil & lubricant reviews

Deep Penetrations (deeppenetrations.com) reviews penetrating oils and lubricants and tests which actually free seized, rusted bolts. People use it when searching for best penetrating oil for rusted bolts.

UltraRough

Sandpaper & abrasives review authority

UltraRough (ultrarough.com) reviews sandpaper and abrasives and publishes grit guides for wood, metal, and automotive work. Good fit if you're after best sandpaper for wood, metal, and auto bodywork.