# Chord NOTE vs Trompong

The clearest difference is review sentiment: Chord NOTE at 62% against Trompong's 0%. Chord NOTE also leads on update cadence (every 2 months vs every 33 months) and price ($2.99 vs $4.99). Trompong's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Chord NOTE costs $2.99 and Trompong $4.99 up front. Chord NOTE sells 1 one-off in-app purchase. Trompong asks for nothing beyond the download.

Chord NOTE ships an update every 2 months, Trompong every 33 months. The most recent releases landed on September 7, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Chord NOTE | Trompong |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/chord-note/id369248019/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **61.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 31 MB | 36 MB |
| Requires iOS | 18.1 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hidenori Matsuoka](https://appshunter.io/developer/369248022) | [emacsian Company Limited](https://appshunter.io/developer/388819355) |

## What reviewers say

### Chord NOTE

[App page](https://appshunter.io/ios/app/chord-note/id369248019)

This app helps songwriters find chords that match melodies and provides tools for creating chord progressions. It also includes a scale library and can display vocal pitch to aid in composition.

**Highlights:** Chord finding for melodies, Chord Progression function, Scale library, Vocal pitch display, Key finding, iPad Split View/Slide Over support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Option | $1.99 | one-time |


### Trompong

[App page](https://appshunter.io/ios/app/trompong/id673710232)

Experience the authentic sounds of Balinese Gamelan Gong Kebyar with this app. It features a row of 10 gongs, offering a realistic playing experience with high-quality sampled sounds and interactive controls. Explore detailed instrument views and customizable notation displays.

**Highlights:** Authentic sampled sound bank, Realistic playing experience, Ultra-low latency audio, Zoomable instrument views, Customizable cipher notation, Ad-free experience

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chord NOTE free?

Chord NOTE costs $2.99, and also offers in-app purchases.

### Is Trompong free?

Trompong costs $4.99, with no in-app purchases.

### Do Chord NOTE or Trompong have ads?

Neither Chord NOTE nor Trompong shows ads.

### Which is updated more often, Chord NOTE or Trompong?

Chord NOTE ships an update every 2 months, and Trompong every 33 months. Most recently, Chord NOTE was updated on September 7, 2026 and Trompong on September 16, 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.*