# HAKOIRI vs Harmonia

The clearest difference is ads: HAKOIRI at none against Harmonia's shown. HAKOIRI also leads on update cadence (daily vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HAKOIRI ships an update daily, Harmonia monthly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HAKOIRI | Harmonia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmonia-match-the-notes/id6787542089/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 112 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Nagatomo Miki](https://appshunter.io/developer/1891189762) | [Rowan Vredenburg](https://appshunter.io/developer/6787542241) |

## What reviewers say

### HAKOIRI

[App page](https://appshunter.io/ios/app/hakoiri/id6771243497)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Harmonia

[App page](https://appshunter.io/ios/app/harmonia-match-the-notes/id6787542089)

Train your ear with this music puzzle game. Listen to a target sound, then recreate it from memory by selecting instruments and adjusting notes. Explore musical worlds and compete in daily challenges to test your auditory skills.

**Highlights:** Recreate sounds from memory, Adjust instrument pitches, Hundreds of levels across musical worlds, Daily challenges, Ear training mechanics, No time pressure

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HAKOIRI free?

HAKOIRI is free to download, with no in-app purchases.

### Is Harmonia free?

Harmonia is free to download, with no in-app purchases.

### Do HAKOIRI or Harmonia have ads?

Harmonia shows ads; HAKOIRI does not.

### Which is updated more often, HAKOIRI or Harmonia?

HAKOIRI ships an update daily, and Harmonia monthly. Most recently, HAKOIRI was updated on October 7, 2026 and Harmonia on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*