Gymboss Interval Timer and Stopwatch

Gymboss Interval Timer and Stopwatch
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The Gymboss is your pocket-sized personal trainer. This small but mighty timer packs a punch, perfect for any workout you throw at it. It’s tough enough to handle sweat and drops, and it fits snugly on your belt so you can focus on crushing your goals, not fumbling with controls. Whether you’re a HIIT junkie, a boxing badass, or just starting, this timer can customize your workout with intervals, stopwatch, and even a clock. It beeps and vibrates to keep you in the zone, all powered by a AAA battery.

Gymboss Interval Timer and Stopwatch

Gymboss Interval Timer and Stopwatch
  •  Color: Black / Blue
  • Brand: Gymboss
  • Material:  Plastic Acrylonitrile Butadiene Styrene

Product Review

Functionality and Versatility: The ability to time one or two intervals between two seconds and 99 minutes is a standout feature. This flexibility allows for creating varied and dynamic workout sessions, catering to different fitness goals, whether it be fat loss, endurance, strength, or flexibility training. The auto-repeat function is handy for HIIT and circuit training, enabling users to focus on their workout without constantly resetting the timer for each new round.

Durability and Design: The Gymboss Interval Timer’s compact size, lightweight design, and sweat and impact-resistant casing make it a durable companion for any workout environment. Whether clipped to a waistband during a run or placed beside a yoga mat during a home workout, the device remains discreet and easy to interact with, even amid intense physical activity.

Gymboss Interval Timer and Stopwatch

User Interface and Notifications: Including a chime and vibration for interval notifications is a thoughtful touch, catering to different environments and personal preferences. The ability to set the alarm duration is another feature that enhances user experience, allowing customization based on the user’s sensitivity to alerts.

Power and Efficiency: Operating on a single AAA battery, the Gymboss Interval Timer is both energy-efficient and convenient. Some might see the absence of a rechargeable battery as a downside, but it eliminates the worry of having to charge the device frequently, making it always ready for use. The battery compartment is easily accessible, ensuring quick replacements are possible whenever necessary.


  • Compact and Portable: Its small size and lightweight nature make it incredibly easy to carry around, ensuring that it can be a constant companion for all workouts, whether at home, in the gym, or outdoors.
  • Versatile Use: Designed to support a wide range of fitness activities, from HIIT and CrossFit to running and martial arts, its versatility makes it an indispensable tool for individuals engaged in various forms of exercise.
  • Customizable Intervals: The ability to set one or two intervals between two seconds and 99 minutes, along with the auto-repeat function and customizable alarm durations, allows for tailored workout sessions that cater to specific training needs and goals.
  • Durable and Resilient: Constructed from sweat and impact-resistant materials, it withstands the rigors of intense workout sessions, making it a reliable tool over time.
  • User-Friendly Notifications: The option to receive alerts through either chime or vibration ensures that users can stay on track with their intervals in any environment, enhancing the overall effectiveness of their workout.


  • Battery Dependency: Relying on a single AAA battery, while efficient, is a drawback for those preferring rechargeable devices. This requires users to have spare batteries on hand to avoid interruptions.
  • Limited Display Size: The device’s compactness means a smaller display, which might be challenging to read during intense physical activities or for individuals with visual impairments.
  • Color: Black / Blue
  • Brand: Gymboss
  • Material: Plastic Acrylonitrile Butadiene Styrene
  • Product Dimensions: 0.55″D x 2.25″W x 1.75″H
  • Item Weight: 35 Grams
  • Key Features:
    • Compact interval timer for one or two intervals between two seconds and 99 minutes.
    • Includes a built-in Stopwatch and Clock feature.
    • Comes with a secure and removable belt clip.
    • Features auto mode for repeating through intervals up to 99 times.
    • Provides chime and vibration interval notifications with customizable alarm duration (one, two, five, or nine seconds).
    • Compact size, resembling a small pager.
    • Powered by one AAA battery (not included).
    • Sweat and impact-resistant design.

Read more about Best Stopwatches here.


Setting up the Gymboss Interval Timer is relatively straightforward. The Gymboss Interval Timer is designed with simplicity, allowing users to quickly input their desired intervals and start their workout with minimal fuss. The instruction manual provides clear guidance, and once familiar with the process, changing settings becomes second nature, making it adaptable to various workout routines.

Absolutely. While the Gymboss Interval Timer is tailored for fitness activities, its versatility makes it suitable for any situation requiring precise time management, such as cooking, the Pomodoro technique for studying, or even time-boxed task management in a professional setting. Its customizable intervals and alarm settings adapt well to these varied applications.

The Gymboss Interval Timer is built to be sweat and impact-resistant, ensuring it can handle outdoor environments and the inevitable drops or bumps that come with active use. Its durable plastic acrylonitrile butadiene styrene construction provides solid protection against typical workout wear and tear.

The Gymboss Interval Timer is designed to ensure that missed notifications are kept to a minimum, offering loud chime options and vital vibration alerts. However, if an alert is missed, the timer continues running according to the preset intervals, ensuring the workout can proceed as planned. Users can quickly glance at the device to check the current interval status.

Yes, Gymboss offers customer support for their interval timers, including a warranty policy for defects in materials and artistry. It’s recommended to check the specific warranty details at the time of purchase for the most accurate information and to understand the process for claims should any issues arise.

The Gymboss Interval Timer is small, challenging, and easy to use. Sure, it doesn’t have all the bells and whistles of some fancy fitness trackers, but that’s also its strength. This Gymboss Interval Timer focuses on what matters most: timing your work and rest periods. It runs on a single AAA battery and has a primary display, but it does the job without unnecessary complications. The Gymboss can help you manage your time like a pro. It’s portable and durable and lets you set custom intervals, making it adaptable to whatever you need. Its lack of fancy features means it won’t distract you from your goals.