Free. No ads, tracking or in-app purchases. No special permissions. Works even when there is no cell service or wifi. No visual clutter. A simple, sincere app. Just install and run. Stays on until you switch to another app or turn off your phone. Unlock your phone and the clock is there for you. Nine color choices ranging from high contrast to low-contrast colors as shown in screenshot. Works on older phones and tablets. Useful as a handy bedside clock or as a clock you can glance at duri