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Gymboss Interval Timer

Gymboss Interval Timer

by Gymboss LLC

759 ratings
264 reviews
🔧 Utilities
💪 Health & Fitness
Free
In-App Purchases

Details

  • Released
  • Updated
  • February 13, 2012
  • July 9, 2026

Features

Developer

Gymboss LLC
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Gymboss Interval Timer screenshot #1 for iPhone
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Gymboss Interval Timer screenshot #5 for iPhone
iphone
ipad
🧾$0.99 - $1.99
In-App Purchase↘︎
📌Ready
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About

This app provides a customizable interval timer for various workouts, allowing users to set single or multiple work and rest periods. It offers extensive customization options for alarms, program saving, and display, ensuring a tailored timing experience for any fitness routine.

✓Programmable interval timer
✓Unlimited intervals and rounds
✓Save and manage unlimited programs
✓Visual, audible, and vibrate alarms
✓Music access and dimming
✓Customizable display and background
Show original description

What users say

Summarized from real user reviews of Gymboss Interval Timer. Based on 759 reviews and a 4.7/5 average, it highlights the 15 positives and 18 negatives reviewers mention most about this Health & Fitness app.

Positive things

  • 🚀Simple yet effective
  • 🚀Perfect gym partner
  • 🚀Grad App
  • 🚀Great
  • 🚀Simple easy to plan and workout
  • 🚀Great for when you are either working from home or traveling
  • 🚀Vital tool for fitness
  • 🚀A must buy
  • 🚀Timing
  • 🚀Love GymBoss
  • 🚀BEST APP EVER
  • 🚀Coach T
  • 🚀Best Interval Timer App
  • 🚀Go to
  • 🚀Works Great!

Negative things

  • 🐛Clear data
  • 🐛Glitchy
  • 🐛Another buggy update
  • 🐛Landscape / portrait bugs
  • 🐛Sagging under bugs
  • 🐛Recent changes mucked it up
  • 🐛Update erased everything :(
  • 🐛Sounds
  • 🐛Update broke it
  • 🐛Where has the beep gone??
  • 🐛Latest update has broken the ap
  • 🐛AVOID
  • 🐛Timer no longer beeps between intervals unless they're either a different colour, or at the end of a complete round
  • 🐛When duplicating intervals, if you edit one of the intervals you've duplicated, it will make the same change to the all of the intervals that it was duplicated from
  • 🐛Now when on your last interval, the timer will still display another interval below as if you still had another one to go
  • 🐛The list of saved workouts has flipped so your most recent ones are now all the way down the bottom, with the oldest at the top
  • 🔋Off screen display required
  • 🔋Timer no longer beeps when screen is idle
See all reviews

What's New in Gymboss Interval Timer

4.0.8

July 9, 2026

Bug fixes and performance improvements.

Subscription plans

Gymboss Premium Yearly

Premium: No Ads, Extra Sounds & Extra Colors

$1.991 Year
How to cancel Gymboss Interval Timer subscription ⁉️
3

In-App Purchases

$0.99

Remove Ads

This IAP is to remove the ads that are presented on the active timer screen.

User reviews

Most RecentHighest RatedLowest Rated

Flexible

Love the way you can customize your timer from color to time. I have been using this app for
A long time. Always my go to for fitness timer.
CoswelCoswel

💯 training partner

Easy to set for intervals color-coded for a different rounds, clear starting and stopping points! I love it
UserIUUserIU

Amazing app

Has all the functionality of your gymboss timer on your phone.
crownheightsOGcrownheightsOG

Great app for intervals!

I used to own a gym and now I personal online. I’ve done literally thousands of workouts using gym boss. I like it because it is easy to use but still has enough versatility to use on almost every workout.
saul_fit_in_renosaul_fit_in_reno

Best Free app

Love this timer , so easy and best of all free
WilldanmacWilldanmac
See 259 more reviews

User experience

🐞

Reported Bugs

8 issues

Timer no longer beeps when screen is locked or app is in background

Bug

Intervals disappear or get shuffled after updates

Bug

Unable to save new workouts

Bug

All workout sounds have gone

Bug

Crashes when trying to edit intervals

Bug

Reordering of saved workouts

Bug

Ads cover the timer screen

Bug

Timer stops working when screen is locked or app is in background

Bug
✨

Requested Features

9 requests

Verbal prompts like a countdown "3-2-1 Go!" and "3-2-1 Rest"

Feature

Ability to lock the screen

Feature

Option to see what's coming next

Feature

Workout block of 60/30/30 rather than just high and low

Feature

Ability to start from partway through the sequence

Feature

Back and forward button to skip to the wanted element or go back during the sequence

Feature

Different alarm sounds for each interval/color

Feature

Countdown, CountUp feature

Feature

Dark mode option

Feature

FAQ

What is the Gymboss Interval Timer app?

The Gymboss Interval Timer app is a versatile tool designed to help users time their workouts with precision. It allows for the creation of custom interval timers, perfect for any activity that involves timed work and rest periods, such as running, HIIT, or weightlifting.

What are the key features of this interval timer app?

Key features include unlimited intervals and rounds, the ability to save an unlimited number of programs to iCloud, customizable alarm options (visual, audible, vibrate), music access with dimming, and a large, easy-to-read display. Users can also label intervals and set different alarms for each.

How much does the Gymboss Interval Timer app cost?

The app is free to download and use, with options for in-app purchases. Specific details on what features are unlocked via in-app purchases are not provided in the description, but it indicates a freemium model.

What types of workouts is this app suitable for?

This app is ideal for a wide range of workouts including running, HIIT, tabata, crossfit, home workouts, MMA, boxing, weight lifting, and stretching. Essentially, any exercise routine that benefits from timed work and rest periods can utilize this timer.

Can I customize the alarms and display?

Yes, the app offers extensive customization for alarms, including multiple sound options, visual alerts, and vibration. The display is also customizable with moving background colors, a large font size, and the option for landscape mode, ensuring a user-friendly experience.