# HarpNinja Diatonic Harmonica vs Harmonica Bending Trainer

The clearest difference is review sentiment: Harmonica Bending Trainer at 88% against HarpNinja Diatonic Harmonica's 29%. Harmonica Bending Trainer also leads on price (Free vs $19.99) and update cadence (every 6 weeks vs every 9 months). HarpNinja Diatonic Harmonica's advantage is ads (none vs shown) and chart position (#193 vs unranked). On in-app purchases and device support there is nothing between them.

Harmonica Bending Trainer is free to download; HarpNinja Diatonic Harmonica costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HarpNinja Diatonic Harmonica ships an update every 9 months, Harmonica Bending Trainer every 6 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | HarpNinja Diatonic Harmonica | Harmonica Bending Trainer |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.5 (34 ratings)](https://appshunter.io/ios/app/harmonica-bending-trainer/id1479803169/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | 28.6% of reviews | **87.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#193** | — |
| Size | 130 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sonicviz](https://appshunter.io/developer/421096824) | [Blowbend.jp](https://appshunter.io/developer/535422149) |

## What reviewers say

### HarpNinja Diatonic Harmonica

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

**Currently charting:** #193 Top Paid · Music (US App Store)

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 Bending Trainer

[App page](https://appshunter.io/ios/app/harmonica-bending-trainer/id1479803169)

This app aids in practicing bending techniques for 10-hole diatonic harmonicas. It provides a dedicated tool for musicians looking to improve their harmonica playing skills.

**Highlights:** Bending practice support, 10-hole diatonic harmonicas, Improve harmonica skills

**In-app purchases:** none


## Frequently asked questions

### Is HarpNinja Diatonic Harmonica free?

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

### Is Harmonica Bending Trainer free?

Harmonica Bending Trainer is free to download, with no in-app purchases.

### Do HarpNinja Diatonic Harmonica or Harmonica Bending Trainer have ads?

Harmonica Bending Trainer shows ads; HarpNinja Diatonic Harmonica does not.

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

HarpNinja Diatonic Harmonica ships an update every 9 months, and Harmonica Bending Trainer every 6 weeks. Most recently, HarpNinja Diatonic Harmonica was updated on September 21, 2026 and Harmonica Bending Trainer on September 14, 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.*