Best 4X4 Timer Interval Training Apps

Interval Timer Calendar

track workout with calendar

Free

This app helps you track your workouts with a simple timer and calendar integration. Set your training and break times, and automatically record your sessions. Save custom timers for quick access to your favorite routines.

Interval Timer - Just SW

HIIT and Tabata Training

Free

This app provides a customizable interval timer for High Intensity Interval Training (HIIT) and Tabata workouts. Easily set up your workout structure with custom sets, action times, and break times for any interval training routine.

Practice Time! Interval Timer

Customizable interval timer

Free

Create and save custom interval timers with unique names and descriptions. Personalize the look with themes and backgrounds, and set timers to repeat automatically. Share your creations with others and explore presets made by the community.

Interval Timer Plus

Simple interval timer

Free

This versatile timer app offers a simple yet powerful way to manage timed activities. Customize multiple intervals with individual colors and sounds, and save them as presets for quick access. It's designed for ease of use and visibility, even from a distance, and works seamlessly in the background.

BS-Free Interval Timer

A basic workout timer.

Free

A straightforward workout timer designed for focus, offering customizable rounds, intervals, and start delays without any advertisements. Adjust sound effects to suit your training style for a distraction-free experience.

Interval Timer | HIIT Training

HIIT, Tabata & round timer

Free

This app provides a customizable interval timer for various training activities like HIIT and Tabata. Users can build custom workouts with named phases, sounds, and vibrations, and save them as presets that sync across devices. It also supports background operation with screen off.