Apps like Riefler

Here are some great alternatives to Riefler by Torsten Becker :
Tick Tock Pendulum Clock
Tick Tock Pendulum Clock
★4.2
Modern Pendulum Wall Clock
Modern Pendulum Wall Clock
★3.4
Atomic Clock & Watch Accuracy
Atomic Clock & Watch Accuracy
★4.8
AtomicClock: NTP Time
AtomicClock: NTP Time
★4.8
Momentix: Huge Digital Clock
Momentix: Huge Digital Clock
★4.8
AstroClocks
AstroClocks
★3.7
Atomic Time - NTP Clock Sync
Atomic Time - NTP Clock Sync
★4.8
TAI Clock and Converter
TAI Clock and Converter
★5.0
Simple Alarm Clock
Simple Alarm Clock
★4.6
Floating Clock-Timer&Stopwatch
Floating Clock-Timer&Stopwatch
★4.0
Android Clock Widgets
Android Clock Widgets
★4.4
OneplusClock
OneplusClock
★3.6
Clock
Clock
★4.4
Alarm Clock XL
Alarm Clock XL
★4.2
Floating Clock: Time Tool
Floating Clock: Time Tool
★4.0
Wall Clock Pro
Wall Clock Pro
★4.8