# Healing Harmony - NineHarmony — Easy, simple and beautiful

> Easy, simple and beautiful (iPhone/iPad app by Tsutomu Nagai.)

- Source: https://appshunter.io/ios/app/healing-harmony-nineharmony/id6752558722 (this page in markdown: same URL + `.md`)
- Developer: [Tsutomu Nagai](https://appshunter.io/developer/1137546239)
- Category: Lifestyle, Medical
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 6 MB
- Languages: American English, Japanese
- Released: 2026-01-16
- Data updated: 2026-06-03
- User reviews in markdown: https://appshunter.io/ios/app/healing-harmony-nineharmony/id6752558722/reviews.md

## What is Healing Harmony?

Solfeggio frequencies (174/285/396/417/528/639/741/852/963Hz)
A simple sound app that lets you freely layer frequencies with individual playback or simultaneous playback of up to 9 tones.
Key Features
One-tap playback of 9 tones (supports simultaneous playback)
Auto-stop timer (OFF / 5 / 10 / 15 / 30 / 60 min / Custom)
Preset saving
Light/Dark themes
Easy-to-see simple round button UI
Recommended Uses
As background music for meditation, breathing, or breaks
As ambient sounds for focused work or before bed
Layer multiple frequencies to create and save your own unique tones based on your mood
Important Notice
This app is for relaxation/entertainment purposes only. It does not guarantee any medical benefits.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads. | $2.99 | one-time |



## Version history (last 5 releases)

### 1.0.6 — 2026-03-22

ver. 1.0.6 - Minor fixes have been implemented.

### 1.0.5 — 2026-03-11

ver.1.0.5 - Updated the SDK to the latest version and improved the stability of reward acquisition after watching video ads.

### 1.0.4 — 2026-03-07

ver.1.0.4 - Minor fixes

### 1.0.3 — 2026-03-05

ver.1.0.3 - Fixed a bug preventing ad viewing rewards from being earned and added a dialog display when rewards are obtained.

### 1.0.2 — 2026-02-25

ver.1.0.2 - Fixed a bug where you might not receive rewards for watching ads.

## More apps by Tsutomu Nagai

- [PractiCalculator](https://appshunter.io/ios/app/practicalculator/id1137546240)
- [PractiCalc2](https://appshunter.io/ios/app/practicalc2/id1502884244)
- [Digital Level – Level](https://appshunter.io/ios/app/digital-level-level/id6751766212)

All apps by Tsutomu Nagai: https://appshunter.io/developer/1137546239

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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 2026-06-03.*