# Otonic vs Hark

Otonic and Hark both sit at 5.0 stars, but that hides the real split: 100% of Hark's written reviews are positive against 67% of Otonic's. Otonic's advantage is ratings volume (4 vs 1) and device support (3 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Otonic sells 3 one-off in-app purchases and Hark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Otonic against 5.0 for Hark. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews are what separate them: 67% of Otonic's written reviews are positive against 100% of Hark's.

Otonic ships an update every 5 days, Hark every 4 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Otonic | Hark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/otonic/id6740495154/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/hark-ear-training/id6809023239/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 59 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Blackwell](https://appshunter.io/developer/1790247519) | [Ilia Usatov](https://appshunter.io/developer/1868442271) |

## What reviewers say

### Otonic

[App page](https://appshunter.io/ios/app/otonic/id6740495154)

Enhance your musical abilities with a comprehensive ear training application. Features a level editor for personalized learning experiences and progression tracking.

**Highlights:** Fully featured ear training, Level editor, Progression editor, Personalized learning, Music skill enhancement

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otonic Pro | $6.99 | one-time |
| Otonic Essential | $19.99 | one-time |
| Otonic Pro | $39.99 | 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hark Pro | $19.99 | one-time |


## Frequently asked questions

### Is Otonic free?

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

### Is Hark free?

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

### Which has better reviews, Otonic or Hark?

Otonic and Hark are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Otonic or Hark have ads?

Neither Otonic nor Hark shows ads.

### Which is updated more often, Otonic or Hark?

Otonic ships an update every 5 days, and Hark every 4 days. Most recently, Otonic was updated on October 6, 2026 and Hark on October 11, 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.*