Best Workout Interval Timer App for iPhone

Training quality depends on timing quality.

If your work and rest intervals are inconsistent, your workouts become less structured and harder to compare week to week.

Why Built-In Timers Fall Short for Training

The default timer app is fine for simple countdowns, but workouts often need more:

• Repeated work/rest cycles
• Different intervals in one session
• Quick access during movement
• Clear labels for each phase

What to Look For in a Workout Timer App

A reliable gym timer should provide:

1. Multiple interval timers in one session
2. Named timers (warm-up, work, rest, finisher)
3. Fast restart between sets
4. Visible countdown while multitasking

Sample HIIT Timer Setup

Try this 20-minute template:

• Warm-up: 3 min
• Work: 40 sec
• Rest: 20 sec
• Repeat cycle: 12 rounds
• Cooldown: 2 min

With a dedicated app like GumTimer, you can save this structure and reuse it every workout.

Strength Training Setup Example

For heavy lifting days:

• Main set rest timer: 2:30
• Accessory set rest timer: 1:30
• Session cap timer: 75:00

Running these timers together helps keep pacing consistent.

Tips for Better Training Timing

Use names, not generic timers

"Squat Rest" is much clearer than "Timer 2."

Keep one long session timer

In addition to intervals, run a total session timer so your workout does not drift too long.

Use quieter alerts in shared gyms

If needed, switch to lower-profile alert behavior to avoid disturbing others.

Final Takeaway

The best workout interval timer app is one that supports repeatable structure.

When your timing system is clear and reusable, training becomes more consistent and progress is easier to track.

Download GumTimer

Download GumTimer on the App Store →