# ExTimer - HIIT Interval Timer — Create Any Interval Workout

> Customizable interval timer for workouts, time management, and daily use. (iPhone/iPad app by Hajime Suzuki.)

- Source: https://appshunter.io/ios/app/extimer-hiit-interval-timer/id1621046444 (this page in markdown: same URL + `.md`)
- Developer: [Hajime Suzuki](https://appshunter.io/developer/1615906018)
- Category: Health & Fitness, Sports
- Price: Free with in-app purchases
- Rating: 5.00/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.2 · 10 MB
- Languages: American English, Canadian French, German (Germany), Italian, Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China), European Spanish and 1 more
- Released: 2022-05-16
- Data updated: 2026-08-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/extimer-hiit-interval-timer/id1621046444/reviews.md

## What is ExTimer?

・ Stylish & abundant variations
Stylish appearance that motivates training
Supports 5 types of color variations, light mode, dark mode, vertical layout, and horizontal layout.
By switching a total of 20 patterns according to your mood, you will increase your motivation for training.

・ For everyday use
The well-designed appearance blends into everyday life.
Training at the gym or at home, stretching, work time management(ex Pomodoro Tracker), cooking timer.
This timer with a simple and stylish appearance is useful in various situations in your life.

## Key features

- Stylish and customizable appearance
- Multiple color variations and layouts
- Supports interval training (HIIT, Tabata)
- Useful for workouts, stretching, and time management
- Light and dark mode options
- Vertical and horizontal layout support

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Hide Ads | $1.99 | one-time |
| Trial 3Days | Free | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/extimer-hiit-interval-timer/id1621046444/reviews.md

### 5/5 — Works great

*2024-03-11*

I’m a track runner and when I don’t have someone to pace my 200m, 400m, 500 ect. I use this app to make sure I make and stay on pace for my workouts.

## Frequently asked questions about ExTimer

### What is ExTimer used for?

ExTimer is an interval timer designed for various activities including HIIT workouts, Tabata, stretching, and general time management like the Pomodoro technique. Its stylish interface aims to enhance motivation during training sessions.

### Does ExTimer have ads?

Yes, ExTimer contains advertisements. It is offered as a free application with the option for in-app purchases.

### What customization options does ExTimer offer?

ExTimer provides 5 types of color variations, light and dark modes, and supports both vertical and horizontal layouts. Users can switch between 20 patterns to personalize their training experience.

### On which devices can I use ExTimer?

ExTimer is available for iPhone, iPad, and iPod devices. It is designed to be compatible with Apple's iOS ecosystem.

### How often is ExTimer updated?

The latest version of ExTimer is 1.9.8, and it was last updated on September 17, 2025. This indicates a relatively recent update, suggesting ongoing development and support.

### What is the age rating for ExTimer?

ExTimer has an age rating of 4+. This means it is suitable for users aged 4 and above, with no mature content.

### What are the benefits of using ExTimer for workouts?

ExTimer's stylish design and customizable themes can increase training motivation. Its interval timing features are ideal for structured workouts like HIIT and Tabata, helping users optimize their exercise routines.

### Can ExTimer be used for non-fitness activities?

Yes, ExTimer is versatile and can be used for everyday tasks such as managing work time (e.g., Pomodoro Tracker) or as a cooking timer. Its simple and stylish appearance makes it suitable for various life situations.

## Version history (last 5 releases)

### 2.0.0 — 2026-07-31

• Improved internal processing for a smoother app experience.
• Enhanced performance and stability.
• Updated the user interface.
• Fixed minor bugs.

### 1.9.8 — 2025-09-17

Fixed a bug that could cause audio output to fail in the background.
Improved the overall program performance and improved the robustness of the app.

### 1.9.7 — 2025-03-25

- Bug fixes

### 1.9.5 — 2025-03-21

・New color added (brass)
・Displays end time
・Change icon

### 1.9.0 — 2025-01-15

iOS18 compatible
Minor bug fixes

## Apps similar to ExTimer

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Interval Timer - Tabata Timer](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568) | 4.5 (18,999) | Free | Health & Fitness |
| [Interval Timer □ HIIT Timer](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113) | 4.8 (85,576) | Free | Health & Fitness |
| [Interval Timer: HIIT Workout](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692) | 4.9 (234) | Free | Health & Fitness |
| [Timer Plus - Workouts Timer](https://appshunter.io/ios/app/timer-plus-workouts-timer/id1279716547) | 4.8 (58,896) | Free | Health & Fitness |
| [Tabata Timer: Interval Timer.](https://appshunter.io/ios/app/tabata-timer-interval-timer/id1255964203) | 4.9 (9,173) | Free | Health & Fitness |
| [Interval Timer X Workout Timer](https://appshunter.io/ios/app/interval-timer-x-workout-timer/id1448144846) | 4.8 (686) | Free | Health & Fitness |

## More apps by Hajime Suzuki

- [SClock - Big Digital Clock](https://appshunter.io/ios/app/sclock-big-digital-clock/id1633448389)
- [iNote:Color sticky note memo](https://appshunter.io/ios/app/inotecolor-sticky-note-memo/id1663710783)
- [World Time Clock-Weather & Map](https://appshunter.io/ios/app/world-time-clock-weather-and-map/id6469668390)
- [World Time Calc-Time converter](https://appshunter.io/ios/app/world-time-calc-time-converter/id6472414655)
- [MoonScope](https://appshunter.io/ios/app/moonscope/id6747671746)

All apps by Hajime Suzuki: https://appshunter.io/developer/1615906018

## Related topics

[hajime suzuki](https://appshunter.io/ios/topics/hajime-suzuki)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*