Custom Interval Timer: Workout Timer / HIIT Timer

Custom Interval Timer is a free Android app developed by MATH Domain Development. It falls under the Lifestyle category and specifically the Health & Fitness subcategory. This app helps you create workout timers that guide you through your exercise routines.

With Custom Interval Timer, you can create timers that guide you through your workout. You can set timer names, interval names, interval times, and the number of rounds. The app provides feedback through voice, sound, and/or vibration. You also have the ability to customize the theme, font size, and font style.

Setting up a timer is straightforward. You create an interval list and add intervals to it. Each interval can be customized with a name and a countdown time. You can cycle through the interval list as many times as you like by changing the rounds number.

During playback, you can play or pause the timer, and skip forward or backward to the next or previous interval. The feedback system notifies you of important events such as the final 5 seconds of an interval, the start of an interval, the round you're on, and the end of the timer. This gives you the feeling of having your own workout trainer guiding you through your exercise routine.

Custom Interval Timer is a highly customizable interval training app that is suitable for various activities such as running, Tabata, high-intensity interval training (HIIT), cycling, weightlifting, CrossFit, MMA training, boxing, yoga, stretching, home workouts, fitness, pilates, and more.

Please note that some devices may not support the voice or vibration features. Additionally, the app is ad-supported.

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App specs

  • License

    Free

  • Version

    1.0.23
  • Latest update

  • Platform

    Android

  • OS

    Android 13.0

  • Language

    English

    Available languages

    • English
    • Italian
    • Arabic
    • Russian
    • Chinese
    • French
    • German
    • Japanese
    • Korean
    • Swedish
    • Portuguese
    • Spanish
  • Downloads

    3

    Last month's downloads

    • 2
  • Size

    7.40 MB

  • Developer

  • Download Options

    APK, Google Play

  • Filename

    com-mathdomaindevelopment-intervaltimer-23-70705914-3e3a04807e6c5d081cde21731429c771.apk

Program available in other languages



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Is Custom Interval Timer: Workout Timer / HIIT Timer safe?

100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

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Last scan
Friday, November 28, 2025
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File Integrity

File
com-mathdomaindevelopment-intervaltimer-23-70705914-3e3a04807e6c5d081cde21731429c771.apk
SHA256
f225f0369dc72f675d51f278f76ff738e80401e2653f735459011dd33fffe721
SHA1
1fc53b40ea3e8e40d5eb1629e7ad794c5bd7f12a

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Custom Interval Timer: Workout Timer / HIIT Timer has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.