It is an analog clock application that can also display a pendulum clock. There are no ads at all. Clock Changeable clock position and size. - Indigo Blue Clock - Second hand ticks away the time - White Clock - Second hand moves smoothly - Pendulum Clock - Pendulum ticks away the time - Custom Clock - You can customize the clock yourself (Multiple custom clocks available) Background Image Changeable background image position and size. - Single Color - You can customize the color - 10 preset background images - Select background photo from photo library Other features - Status bar display switch - Automatic sleep suppression - Smooth Display selection (trade-off with battery consumption) - Enlarging the background image (displayed on the whole screen) - Digital time display - Widget display (also supports iOS14) - Support Dark Mode of iOS13 --- There is also a free version of this app, "Analog Clock Lite - Pendulum" (with ads, with some functional restrictions). You can also check the function there.