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Last updated on: 2026-05-04
Android Apps > Health & Fitness > Custom Interval Timer: Workout
Custom Interval Timer: Workout icon

Custom Interval Timer: Workout

1.0.25
MATH Domain Development
4.43
363 reviews
10,000+
Downloads
Free

Tabata? HIIT? 100% Custom... Create your workouts with Custom Interval Timer.

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About Custom Interval Timer: Workout

Custom Interval Timer: Workout is a health & fitness app developed by MATH Domain Development.

How many times has Custom Interval Timer: Workout been downloaded?

Custom Interval Timer: Workout has been downloaded 15 thousand times. In the last 30 days, the app was downloaded 34 times.

What is the rating of Custom Interval Timer: Workout?

Custom Interval Timer: Workout is rated 4.43 out of 5 stars, based on 360 ratings.

Is Custom Interval Timer: Workout free?

Custom Interval Timer: Workout is free to download. The APK download size is 7.06 MB. The latest version available is 1.0.25. The last update was on February 22, 2026.

What are the requirements for Custom Interval Timer: Workout?

Custom Interval Timer: Workout requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play April 2015.

Description
Custom Interval Timer helps you create workout timers that guide you through your exercise routines.

General Features
+ Create Timers that guide you through your workout.
+ Set Timer names, Interval names, Interval Times, and number of Rounds.
+ Gives voice, sound, and/or vibration feedback.
+ Customize the theme, font size, and font style.
+ Works in the background while using a different app or while screen is off.

Setup
You'll find that setting up a Timer is fairly straightforward. To create a Timer, you set up an Interval List. Set up an Interval List by adding Intervals to the list. Add as many Intervals to the Interval List as you'd like. Customize each Interval by giving it a name and a time to countdown from. You can cycle through the Interval List as many times as you'd like (1-99) by changing the Rounds number.

Playback Controls
Playing a Timer works much like a media player. You can play or pause the Timer. You can skip Forward to the next Interval or skip back to the previous one.

Feedback System
The feedback system lets you know where you are in your Timer. It notifies you of: the final 5 seconds of an Interval, the start of an Interval, the Round you're on, and the end of the Timer. This makes it seem like you have your own workout trainer, guiding you through your workout. You can be notified of these events by voice, sounds, and/or vibration.

The available options make Custom Interval Timer one of the best interval timer apps in the market. This customizable interval training timer is great for Running, Tabata, High Intensity Interval Training (HIIT), Cycling, Weigh-Lifting, CrossFit, MMA training, Boxing, Yoga, Stretching, Home workouts, Fitness, Pilates and much more!

This is a free to download, ad supported app.


Thanks for any support.

MATH Domain Development

Recent changes:
(1.0.25)
- Placed limits on setting interval times: There is a character input limit of 2 for hours, 4 for minutes, and 5 for seconds. Total interval time can not be over 99 hours.
+ Addressed crashes in the following areas: Setting up announcing feedback, inputting interval time, adding new interval, share and "Please wait" dialogs at end of Timer.
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More data about Custom Interval Timer: Workout

Price Free to download
Total downloads 15 thousand
Recent downloads 34
Rating 4.43 based on 360 ratings
Ranking Not ranked
Version 1.0.25
APK size 7.06 MB
Number of libraries 4
Designed for Android 4.0+
Suitable for Everyone
Ads Contains ads

App Performance Report

Get a detailed PDF report for Custom Interval Timer: Workout with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Google Play Rating history and histogram

250
55
37
0
18

Downloads over time

Custom Interval Timer: Workout has been downloaded 15 thousand times. Over the past 30 days, it has been downloaded 34 times.

Changelog of Custom Interval Timer: Workout

  • Feb 22, 2026UpdateVersion 1.0.25
  • Jan 14, 2026UpdateVersion 1.0.24
  • May 18, 2025UpdateVersion 1.0.23
  • Apr 27, 2023UpdateVersion 1.0.22
  • Dec 1, 2017UpdateVersion 1.0.18
  • Sep 9, 2017UpdateVersion 1.0.15
  • Dec 6, 2016UpdateVersion 1.0.11
  • Nov 21, 2016UpdateVersion 1.0.10
  • Sep 19, 2016UpdateVersion 1.0.9
  • Aug 7, 2016UpdateVersion 1.0.8
  • Aug 1, 2016UpdateVersion 1.0.7
  • Jul 16, 2016UpdateVersion 1.0.6
  • Jun 24, 2016UpdateVersion 1.0.5
  • Mar 13, 2016Installs1,000+ installs
  • Oct 11, 2015UpdateVersion 1.0.4
  • Oct 4, 2015Installs500+ installs
  • Sep 19, 2015UpdateVersion 1.0.3
  • Jun 19, 2015Installs100+ installs
  • May 13, 2015Installs50+ installs
  • Apr 24, 2015CategoryMoved from Tools to Health & Fitness
  • Apr 24, 2015Installs10+ installs
  • Apr 24, 2015UpdateVersion 1.0.2
  • Apr 17, 2015New AppVersion 1.0 in TOOLS for Free
Show more Show less

Developer information for MATH Domain Development

MATH Domain Development

MathDomainApps@gmail.com

Website

N/A

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Comments on Custom Interval Timer: Workout for Android

★★★★★ Panos Agrafiotis · Apr 14, 2020
If you're after a fully customizable interval timer, this tool is the best. 5 stars from me.
★★★★☆ Chad Wenn · Dec 1, 2019
Easy to make a workout. Text to speech is a good feature. Ads between workouts :(
★★★★★ Kathleen Dean · Jan 13, 2021
Great app which lets you make workouts with custom times, really great for fartlek workouts. I would actually pay for a version without ads and the option to add more than 5 custom timers.
★☆☆☆☆ Derek A · Jan 5, 2020
Doesn't stop vibrating no matter what settings are changed
★★☆☆☆ Snir Kohai · Mar 18, 2022
Zero accountability. I'm basing this on 4 weeks of usage. Picked this app because I liked customizing my own intervals. However, the app sometimes randomly crashes mid-run. Also, it sometimes, for no apparent reason, doesn't vocally announce when a new interval begins, obligating me to be looking at the screen every few seconds.

Google Play Rankings for Custom Interval Timer: Workout

This app is not ranked

Technologies used by Custom Interval Timer: Workout

Custom Interval Timer: Workout is requesting 12 permissions and is using 5 libraries.

Permissions

Network communication
view network connections, full network access
Hardware controls
control vibration
System tools
prevent phone from sleeping
Extra
android.permission.ACCESS_ADSERVICES_AD_ID, android.permission.ACCESS_ADSERVICES_ATTRIBUTION, android.permission.ACCESS_ADSERVICES_TOPICS, android.permission.FOREGROUND_SERVICE, android.permission.FOREGROUND_SERVICE_SPECIAL_USE, android.permission.POST_NOTIFICATIONS, com.google.android.gms.permission.AD_ID, com.mathdomaindevelopment.intervaltimer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Ad network libraries

AdMob Android Library IconAdMob Amazon Mobile Ads Android Library IconAmazon Mobile Ads

Social libraries

None found

Development tools

Android Jetpack core Android Library IconAndroid Jetpack core Android Architecture Components Android Library IconAndroid Architecture Components
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