Apps like Riefler

Here are some great alternatives to Riefler by Torsten Becker :

Pendulum clock live wallpaper

Pendulum clock live wallpaper

Tick Tock Pendulum Clock

Tick Tock Pendulum Clock

Nature Clock Live wallpaper

Nature Clock Live wallpaper

Modern Pendulum Wall Clock

Modern Pendulum Wall Clock

AtomicClock: NTP Time

AtomicClock: NTP Time

Atomic Clock & Watch Accuracy

Atomic Clock & Watch Accuracy

Momentix: Huge Digital Clock

Momentix: Huge Digital Clock

Atomic Time - NTP Clock Sync

Atomic Time - NTP Clock Sync

AstroClocks

TAI Clock and Converter

TAI Clock and Converter

Android Clock Widgets

Android Clock Widgets

Frog flip desktop clock

Frog flip desktop clock

OneplusClock

Flip clock: World clock

Flip clock: World clock