# JangdanMetronome vs OpenScore

The clearest difference is price: OpenScore at Free against JangdanMetronome's $2.99. OpenScore also leads on update cadence (every 5 days vs every 7 months). JangdanMetronome's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 16.4). On ads and device support there is nothing between them.

OpenScore is free to download; JangdanMetronome costs $2.99 up front. OpenScore sells 2 in-app purchases, starting at $12.99 per year. JangdanMetronome asks for nothing beyond the download.

JangdanMetronome ships an update every 7 months, OpenScore every 5 days. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | JangdanMetronome | OpenScore |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jangdanmetronome/id431051410/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 8 MB | 103 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acoustic World](https://appshunter.io/developer/350316089) | [Nemo Studio (KR)](https://appshunter.io/developer/1845772843) |

## What reviewers say

### JangdanMetronome

[App page](https://appshunter.io/ios/app/jangdanmetronome/id431051410)

This app provides a metronome specifically designed for Korean traditional music, featuring a wide array of rhythmic structures (Jangdan) from various genres. It aids musicians in accurately practicing and performing complex traditional rhythms.

**Highlights:** Korean traditional rhythm (Jangdan) metronome, Extensive library of Jangdan patterns, Support for Sanjo, Pansori, Minyo, Daepungnyu, Yeongsanhoesang, and more, Detailed rhythmic structure breakdowns, Recording and data input capabilities

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

**In-app purchases:** none


### OpenScore

[App page](https://appshunter.io/ios/app/openscore/id6806447089)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.99 | per year |
| Plus | $19.99 | one-time |


## Frequently asked questions

### Is JangdanMetronome free?

JangdanMetronome costs $2.99, with no in-app purchases.

### Is OpenScore free?

OpenScore is free to download, with in-app purchases available.

### Do JangdanMetronome or OpenScore have ads?

Neither JangdanMetronome nor OpenScore shows ads.

### Which is updated more often, JangdanMetronome or OpenScore?

JangdanMetronome ships an update every 7 months, and OpenScore every 5 days. Most recently, JangdanMetronome was updated on October 23, 2026 and OpenScore on October 8, 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.*