Gradus is a daily ranking puzzle for puzzlers and quizzers. Each day you get six things to arrange from low to high: planets by distance from the sun, foods by fibre, novels by publication date. Lock in your order and see how close you were, with a shareable grid that never gives the answer away. One puzzle a day, the same for everyone, and it takes a couple of minutes. Free, no ads, and collects no data, storing your streak and results only on your device.
