What it does
AoK turns your phone into a real angle meter for knife sharpening. Lay it on the blade — get the exact angle. No guesswork, no ruined edges.
- Live angle meter, updated in real time
- Whetstone guide — audio beep when the blade hits the target angle
- Works with any tool — whetstone, guided rod, belt sharpener, bench grinder
- Blade log — save every knife with angle, steel, photo, and full sharpening history
- Presets for chef's, pocket, hunting, kitchen utility, fruit & veg knives, axe, and more
- 8 languages, metric and imperial