Ovoid Egg Timer

Ovoid measures the egg and works out the boiling time from physics, instead of guessing from a table. Put a bank card next to the egg and take a photo. The card is 85.6 mm the world over, so the picture gives the egg's size in millimetres. Choose how you want the yolk, and Ovoid works out the rest: the egg's size and temperature, the method, and the boiling point of water at your altitude. SIX YOLKS TO CHOOSE FROM • From a runny yolk with a soft white to a hard, crumbly one • Every grade is described, so you know what you get • Creamy yolk, set white — the one for the breakfast sandwich MEASURE THE EGG, DON'T GUESS • Photograph the egg next to a bank card, or lay it against the screen and measure it there • If you haven't measured, the app uses the size class — a measured egg always takes precedence • Say whether the egg comes from the fridge or is at room temperature SEVERAL EGGS AT…