# HarpNinja Diatonic Harmonica vs Harmonica Tuner

The clearest difference is price: Harmonica Tuner at $0.99 against HarpNinja Diatonic Harmonica's $19.99. Harmonica Tuner also leads on update cadence (monthly vs every 9 months). HarpNinja Diatonic Harmonica's advantage is in-app purchases (none vs 1) and review sentiment (38% vs 29%). On ads, device support and iOS requirement there is nothing between them.

HarpNinja Diatonic Harmonica costs $19.99 and Harmonica Tuner $0.99 up front. Harmonica Tuner sells 1 one-off in-app purchase. HarpNinja Diatonic Harmonica asks for nothing beyond the download.

HarpNinja Diatonic Harmonica ships an update every 9 months, Harmonica Tuner monthly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HarpNinja Diatonic Harmonica | Harmonica Tuner |
| --- | --- | --- |
| Price | $19.99 | **$0.99** |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/harmonica-tuner/id1187717550/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **37.5% of reviews** | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 130 MB | 13 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonicviz](https://appshunter.io/developer/421096824) | [Jacek Teska](https://appshunter.io/developer/967335436) |

## What reviewers say

### HarpNinja Diatonic Harmonica

[App page](https://appshunter.io/ios/app/harpninja-diatonic-harmonica/id970927179)

This app helps you learn the diatonic harmonica faster with real-time pitch recognition and interactive music theory tools. Visualize notes, explore various tunings and scales, and record your playing to improve your skills.

**Highlights:** Real-time pitch recognition, Diatonic harmonica note visualization, Interactive Circle of Fifths, Support for 8 Diatonic tunings, Support for 7 Chromatic tunings, 18 Scales and 5 Chord types, Audio recorder (30 seconds)

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

**In-app purchases:** none


### Harmonica Tuner

[App page](https://appshunter.io/ios/app/harmonica-tuner/id1187717550)

This app listens to your harmonica playing and displays the notes and octaves in real-time. It's specifically designed for harmonicas in the Key of C, helping beginners identify notes as they play. An optional recording feature allows you to save and share your performances.

**Highlights:** Listens to harmonica sounds via microphone, Displays notes with octaves, Highlights notes for Key of C, Shows blow and draw notes for each hole, Optional recording and sharing of performances

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonica Tuner Record | $0.99 | one-time |


## Frequently asked questions

### Is HarpNinja Diatonic Harmonica free?

HarpNinja Diatonic Harmonica costs $19.99, with no in-app purchases.

### Is Harmonica Tuner free?

Harmonica Tuner costs $0.99, and also offers in-app purchases.

### Do HarpNinja Diatonic Harmonica or Harmonica Tuner have ads?

Neither HarpNinja Diatonic Harmonica nor Harmonica Tuner shows ads.

### Which is updated more often, HarpNinja Diatonic Harmonica or Harmonica Tuner?

HarpNinja Diatonic Harmonica ships an update every 9 months, and Harmonica Tuner monthly. Most recently, HarpNinja Diatonic Harmonica was updated on October 8, 2026 and Harmonica Tuner on October 6, 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.*