# HarpNinja Diatonic Harmonica vs Learn Harmonica In 7 Days

The clearest difference is review sentiment: Learn Harmonica In 7 Days at 100% against HarpNinja Diatonic Harmonica's 38%. Learn Harmonica In 7 Days also leads on price (Free vs $19.99) and update cadence (every 2 weeks vs every 9 months). HarpNinja Diatonic Harmonica's advantage is in-app purchases (none vs 16) and iOS requirement (13.0 vs 16.6). On ads and device support there is nothing between them.

Learn Harmonica In 7 Days is free to download; HarpNinja Diatonic Harmonica costs $19.99 up front. Learn Harmonica In 7 Days sells 16 one-off in-app purchases. HarpNinja Diatonic Harmonica asks for nothing beyond the download.

HarpNinja Diatonic Harmonica ships an update every 9 months, Learn Harmonica In 7 Days every 2 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | HarpNinja Diatonic Harmonica | Learn Harmonica In 7 Days |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/learn-harmonica-in-7-days/id6747044431/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 130 MB | 49 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sonicviz](https://appshunter.io/developer/421096824) | [Alon Kuperberg](https://appshunter.io/developer/1767449479) |

## 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


### Learn Harmonica In 7 Days

[App page](https://appshunter.io/ios/app/learn-harmonica-in-7-days/id6747044431)

Learn to play the harmonica quickly with free video lessons and song tabs. Progress through interactive tutorials and jam tracks, guided by an experienced musician. Ideal for absolute beginners seeking a joyful and rewarding musical journey.

**Highlights:** Free beginner harmonica lessons, 40+ song tabs with video demos, Interactive songbook, Play-along jam tracks, Progress tracking, Direct instructor connection

**Features:** Family Sharing

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Harmonica In 7 Days: Course I | $27.00 | one-time |
| Harmonica In 7 Days - Course 1 | $40.00 | one-time |
| Harmonica In 7 Days - Course 2 | $40.00 | one-time |
| Harmonica In 7 Days - Course 3 | $40.00 | one-time |
| Harmonica In 7 Days: Course II | $47.00 | one-time |
| Harmonica In 7 Days Course III | $47.00 | one-time |
| The Play By Ear Masterclass II | $47.00 | one-time |
| The Play By Ear Masterclass | $50.00 | one-time |
| Harmonica In 7 Days: Course 1 | $50.00 | one-time |
| Harmonica In 7 Days: Course 2 | $50.00 | one-time |
| Harmonica In 7 Days: Course 3 | $50.00 | one-time |
| Best Value: Courses 1&2 Bundle | $57.00 | one-time |
| Black Friday Bundle | $57.00 | one-time |
| Full Bundle + Bonus Gift | $97.00 | one-time |
| Harmonica In 7 Days BUNDLE | $97.00 | one-time |
| Harmonica In 7 Days: BUNDLE | $97.00 | one-time |


## Frequently asked questions

### Is HarpNinja Diatonic Harmonica free?

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

### Is Learn Harmonica In 7 Days free?

Learn Harmonica In 7 Days is free to download, with in-app purchases available.

### Do HarpNinja Diatonic Harmonica or Learn Harmonica In 7 Days have ads?

Neither HarpNinja Diatonic Harmonica nor Learn Harmonica In 7 Days shows ads.

### Which is updated more often, HarpNinja Diatonic Harmonica or Learn Harmonica In 7 Days?

HarpNinja Diatonic Harmonica ships an update every 9 months, and Learn Harmonica In 7 Days every 2 weeks. Most recently, HarpNinja Diatonic Harmonica was updated on October 8, 2026 and Learn Harmonica In 7 Days on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*