# Teumbak: Interval Timer

> Plan work, rest and rounds. Save presets and track completed interval sessions.

Canonical page: [https://chrome-stats.com/d/com.ibrdos.loop](https://chrome-stats.com/d/com.ibrdos.loop)

## Overview

- **ID:** `com.ibrdos.loop`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** IBRDOS
- **Category:** HEALTH\_AND\_FITNESS
- **Version:** 1.0.0
- **Last updated:** 2026-09-12
- **First published:** 2026-09-11
- **Publisher country:** KR
- **Size:** 105 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ibrdos.loop)
- **Website:** [https://www.ibrdos.com/apps/teumbak](https://www.ibrdos.com/apps/teumbak)
- **Privacy policy:** [https://www.ibrdos.com/apps/teumbak/privacy](https://www.ibrdos.com/apps/teumbak/privacy)

## Description

Work. Rest. Find your rhythm.<br><br>Teumbak is an interval timer for Tabata, HIIT, home workouts and stretching. Set work time, rest time and rounds, then start. Save your usual settings as a preset and open the same routine for your next session.<br><br>Make each interval your own<br>Choose work, rest and preparation durations, then set your rounds. Give each preset a name and color. Build routines of up to 60 minutes including preparation, with no extra rest interval after the final round.<br><br>See your progress clearly<br>Read the remaining time, current phase and round at a glance. Choose audio cues and haptic feedback. Pause, resume or move to the next interval as you need.<br><br>Keep your routine on your device<br>Save up to 500 recent completed sessions. Export your presets, history and preferences as a JSON file, or reset local data in Settings. No registration or account connection is required.<br><br>A comfortable view<br>Choose nine languages and light or dark mode. The timer and local history work offline. Teumbak includes banner ads on the home or completion screen; ads are not displayed while a workout is preparing, running or paused. Ads and external support pages use an internet connection.<br><br>Audio and background behavior<br>With sound enabled, the native app plays interval cue audio. With sound disabled, the timer pauses when you leave the app. Cue playback may pause music from another app. Audio and vibration depend on your device settings and operating-system state; check them with a short timer before use. An active workout is not restored after the app process is terminated.<br><br>Teumbak is not a medical device and is not intended to diagnose, treat, cure or prevent a medical condition. Consult a healthcare professional for medical advice, diagnosis or treatment.<br><br>Developed and operated by IBRDOS Co., Ltd. ((주)아이비알도스)<br>Support: dev@ibrdos.com

## Rankings

- #3,284,856 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK`
- `android.permission.INTERNET`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.ibrdos.loop.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.ibrdos.loop)