# Blue Harmonica vs Music Trivia PRO

The clearest difference is in-app purchases: Blue Harmonica at none against Music Trivia PRO's 1. Blue Harmonica also leads on update cadence (fortnightly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Music Trivia PRO sells 1 in-app purchase, starting at $0.99 per 7 days. Blue Harmonica asks for nothing beyond the download.

Blue Harmonica ships an update fortnightly, Music Trivia PRO every 2 months. The most recent releases landed on August 2, 2026 and March 7, 2026 respectively.

## The numbers

| Metric | Blue Harmonica | Music Trivia PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (40 ratings)](https://appshunter.io/ios/app/blue-harmonica/id1474522151/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 13 MB | 25 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piotr Ruchwa](https://appshunter.io/developer/1474522150) | [Lucas Yamashita](https://appshunter.io/developer/916405696) |

## What reviewers say

### Blue Harmonica

[App page](https://appshunter.io/ios/app/blue-harmonica/id1474522151)

This application helps harmonica players tune their instrument and identify notes in real-time. It supports various harmonica tunings and allows users to highlight different musical scales.

**Highlights:** Real-time note detection, Supports multiple harmonica tunings, Highlights various musical scales, Adjustable key support, Visual feedback for notes played

**Features:** macOS Compatibility

**In-app purchases:** none


### Music Trivia PRO

[App page](https://appshunter.io/ios/app/music-trivia-pro/id6479176732)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music Trivia PRO Subscription | $0.99 | per 7 days |


## Frequently asked questions

### Is Blue Harmonica free?

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

### Is Music Trivia PRO free?

Music Trivia PRO is free to download, with in-app purchases available.

### Do Blue Harmonica or Music Trivia PRO have ads?

Neither Blue Harmonica nor Music Trivia PRO shows ads.

### Which is updated more often, Blue Harmonica or Music Trivia PRO?

Blue Harmonica ships an update fortnightly, and Music Trivia PRO every 2 months. Most recently, Blue Harmonica was updated on August 2, 2026 and Music Trivia PRO on March 7, 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.*