# Interval Timer: HIIT

> Interval Timer: HIIT (iPhone/iPad app by WAI HUNG LUK.)

- Source: https://appshunter.io/ios/app/interval-timer-hiit/id6806806386 (this page in markdown: same URL + `.md`)
- Developer: [WAI HUNG LUK](https://appshunter.io/developer/1732644433)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 19 MB
- Languages: American English
- Released: 2026-09-03
- Data updated: 2026-10-23

## What is Interval Timer?

Interval Timer: HIIT is a simple workout timer for HIIT, and everyday interval training.1

Start in seconds. Choose HIIT or Simple mode, set work time, rest time, and sets, then tap Start. A preparation countdown, sound, vibration, and spoken cues keep you on pace so you can focus on the workout.

Save custom plans for your favorite sessions and reuse them anytime. After each workout, history is grouped by day and can be viewed as a list or on a calendar.

FEATURES
• HIIT timer with work, rest, and sets
• Simple timer for straightforward sessions
• Workout history by day, list or calendar
• Preparation countdown
• Sound, vibration, and spoken time cues

Train harder. Rest smarter. Stay on time.

## Is Interval Timer safe?

Not enough ratings yet to assess Interval Timer.

## Is Interval Timer legit?

Interval Timer: HIIT appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Interval Timer is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.2 — 2026-09-23

fixed time picker issue

### 1.1 — 2026-09-20

support more for languages
add timer widget

### 1.0 — 2026-09-03

No release notes.

## More apps by WAI HUNG LUK

- [Remember - Expense Tracker](https://appshunter.io/ios/app/remember-expense-tracker/id6478380073)
- [Queens Puzzle - Logic Game](https://appshunter.io/ios/app/queens-puzzle-logic-game/id6745198624)
- [Yoka English](https://appshunter.io/ios/app/yoka-english/id6747695231)

All apps by WAI HUNG LUK: https://appshunter.io/developer/1732644433

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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 2026-10-23.*