# Chord Navigator vs Hark

The clearest difference is update cadence: Hark at every 2 days against Chord Navigator's every 11 days. Chord Navigator's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chord Navigator sells 2 in-app purchases, starting at $0.99 per month and Hark sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Chord Navigator ships an update every 11 days, Hark every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Chord Navigator | Hark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hark-ear-training/id6809023239/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 36 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DOSEONG KANG](https://appshunter.io/developer/6772862883) | [Ilia Usatov](https://appshunter.io/developer/1868442271) |

## What reviewers say

### Chord Navigator

[App page](https://appshunter.io/ios/app/chord-navigator-progression/id6772862881)

Analyze chord progressions and understand music theory with this app. It provides chord function analysis, guitar diagrams for fingering, and visualization of scales and chord tones on a fretboard. Hear chords directly with MIDI playback.

**Highlights:** Chord progression analysis, Guitar chord diagrams, Scale visualization, Piano chord diagrams, MIDI playback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월간 구독 | $0.99 | per month |
| Lifetime Premium | $4.99 | one-time |


### Hark

[App page](https://appshunter.io/ios/app/hark-ear-training/id6809023239)

This app trains musicians to identify notes within a musical key, focusing on their relationship to the tonic. It offers various training modes, including single notes, melodies, and chord progressions, with hands-free operation for convenient practice.

**Highlights:** Identify notes as scale degrees, Hands-free training mode, Multiple training modes (degrees, melodies, chords, progressions), Visual staff with colored notes, Explore any note in any key, Multiple instrument sounds

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hark Pro — Monthly | $3.99 | per month |
| Hark Pro — Yearly | $11.99 | per year |
| Hark Pro | $19.99 | one-time |


## Frequently asked questions

### Is Chord Navigator free?

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

### Is Hark free?

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

### Do Chord Navigator or Hark have ads?

Neither Chord Navigator nor Hark shows ads.

### Which is updated more often, Chord Navigator or Hark?

Chord Navigator ships an update every 11 days, and Hark every 2 days. Most recently, Chord Navigator was updated on October 31, 2026 and Hark on October 31, 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.*