# Intervo: HIIT Tabata Timer — Interval timer: HIIT & Tabata

> Interval timer: HIIT & Tabata (iPhone/iPad app by Yuki Okawa.)

- Source: https://appshunter.io/ios/app/intervo-hiit-tabata-timer/id6785562622 (this page in markdown: same URL + `.md`)
- Developer: [Yuki Okawa](https://appshunter.io/developer/1867195492)
- Category: Health & Fitness, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 23 MB
- Languages: American English
- Released: 2026-07-02
- Data updated: 2026-07-25
- User reviews in markdown: https://appshunter.io/ios/app/intervo-hiit-tabata-timer/id6785562622/reviews.md

## What is Intervo?

Intervo is a fast, focused interval timer for HIIT, Tabata, circuit training, boxing rounds, EMOM and stretching. Build any work/rest interval, then let Intervo run the whole session for you — hands-free.

EVERYTHING IS FREE
All features are unlocked at no cost: save unlimited presets, voice countdown, sound cues and color themes. No subscriptions, no in-app purchases.

FULLY CUSTOMIZABLE
• Set prepare, work and rest durations
• Choose rounds per set and number of sets
• Add a longer rest between sets
• One-tap Tabata preset (20s work / 10s rest x 8)

CLEAR, BIG DISPLAY
• Huge color-coded countdown ring you can read across the room
• Each phase has its own color: prepare, work, rest, set break
• Round and set progress at a glance
• A preview of what comes next

AUDIO & HAPTICS
• Beeps on every phase change and the final 3-second countdown
• Vibration feedback
• Optional spoken voice countdown (English / Japanese)
• Keeps the screen awake during a workout

SAVE YOUR ROUTINES
Save any configuration as a named preset and start it again with one tap. Tabata, HIIT, EMOM and more are included to get you going.

PRIVATE & OFFLINE
Intervo generates time entirely on your device. It needs no account, no sign-in and no internet connection. Nothing about your workouts ever leaves your phone.

• English and Japanese
• Light and dark themes with multiple accent colors
• Designed for one-handed use

Whether you do quick Tabata sets at home or full HIIT circuits at the gym, Intervo keeps you moving. Download it free and start your first interval in seconds.

Intervo is free and supported by ads.


## Version history (last 3 releases)

### 1.0.2 — 2026-07-19

Fixed minor bugs.

### 1.0.1 — 2026-07-15

Fixed minor bugs.

### 1.0 — 2026-07-03

No release notes.

## More apps by Yuki Okawa

- [Bulk QR: QR Code Maker](https://appshunter.io/ios/app/bulk-qr-qr-code-maker/id6757633166)
- [Gratie - Gratitude Journal](https://appshunter.io/ios/app/gratie-gratitude-journal/id6784641065)
- [Leafy - Plant Care Reminder](https://appshunter.io/ios/app/leafy-plant-care-reminder/id6784672249)
- [Lull: Focus & Sleep Sounds](https://appshunter.io/ios/app/lull-focus-and-sleep-sounds/id6784733202)
- [Trailpack: Camp Checklist](https://appshunter.io/ios/app/trailpack-camp-checklist/id6784964041)
- [Sudoku Zen: Number Logic](https://appshunter.io/ios/app/sudoku-zen-number-logic/id6785088442)

All apps by Yuki Okawa: https://appshunter.io/developer/1867195492

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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 2026-07-25.*