# SoundIntervalTimer byNSDev — with the countdown sound.

> with the countdown sound. (iPhone/iPad app by NIHON SYSTEM DEVELOPER CORPORATION.)

- Source: https://appshunter.io/ios/app/soundintervaltimer-bynsdev/id6751438998 (this page in markdown: same URL + `.md`)
- Developer: [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734)
- Category: Utilities, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 17 · 4 MB
- Languages: American English, Japanese
- Released: 2025-08-25
- Data updated: 2026-02-23
- User reviews in markdown: https://appshunter.io/ios/app/soundintervaltimer-bynsdev/id6751438998/reviews.md

## What is SoundIntervalTimer byNSDev?

High-intensity interval training (HIIT) is the interval timer with a voice to recommend to.
Preparation, exercise, each number of seconds to break (up to 9999 seconds), you can set the number of times (up to 99).
Sound can be chosen beep, from voice, but the voice is only Japanese.
Vibe function I can ON / OFF.

Please enter your suggestions in the review. I correspond as much as possible.


## Version history (last 1 release)

### 1.0.0 — 2025-08-25

No release notes.

## More apps by NIHON SYSTEM DEVELOPER CORPORATION

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All apps by NIHON SYSTEM DEVELOPER CORPORATION: https://appshunter.io/developer/1198103734

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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 2026-02-23.*