Apps like Behavioral Timer

Here are some great alternatives to Behavioral Timer by Expanded Labs :
TimeWear Plus Interval Timer
TimeWear Plus Interval Timer
★3.7
Interval Timer: Tabata HIIT
Interval Timer: Tabata HIIT
★4.9
Seconds Pro - Interval Timer
Seconds Pro - Interval Timer
★4.4
TimerWOD - Interval Timer
TimerWOD - Interval Timer
★4.8
Interval Timer: Custom Workout
Interval Timer: Custom Workout
★4.6
Behavior Observation Made Easy
Behavior Observation Made Easy
★4.1
BBQ Timer
BBQ Timer
★4.3
Interval Timer: Workout, HIIT
Interval Timer: Workout, HIIT
★4.8
Interval Timer - HIIT & Tabata
Interval Timer - HIIT & Tabata
★3.8
Simple Stopwatch
Simple Stopwatch
★4.5
Talking Stopwatch & Timer
Talking Stopwatch & Timer
★4.7
Timer Stopwatch App - Sound
Timer Stopwatch App - Sound
★4.7
Random Timer
Random Timer
★3.3
Timer and Stopwatch
Timer and Stopwatch
★4.5
FlatTimer - All timers
FlatTimer - All timers
★3.4
Interval Timer
Interval Timer
★4.9