# Harmonica Clinic vs 421Grid

The clearest difference is iOS requirement: Harmonica Clinic at 8.0 against 421Grid's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Harmonica Clinic costs $1.99 and 421Grid $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Harmonica Clinic | 421Grid |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/harmonica-clinic/id1052706201/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | Paid | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ANTHONY PETER WALSH](https://appshunter.io/developer/1651846465) | [N. Wheeler](https://appshunter.io/developer/312350021) |

## What reviewers say

### Harmonica Clinic

[App page](https://appshunter.io/ios/app/harmonica-clinic/id1052706201)

Learn to play the harmonica with over 300 detailed video lessons. This app offers instruction for all skill levels, from absolute beginners to advanced techniques like bending and blues scales. Explore various styles and learn popular songs.

**Highlights:** 341 informative video lessons, Beginner to advanced instruction, Learn various playing styles, Master harmonica bending, Play popular songs, Blues scale and cross-harp techniques

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

**In-app purchases:** none


### 421Grid

[App page](https://appshunter.io/ios/app/421grid/id1598461370)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonica Clinic free?

Harmonica Clinic costs $1.99, with no in-app purchases.

### Is 421Grid free?

421Grid costs $1.99, with no in-app purchases.

### Do Harmonica Clinic or 421Grid have ads?

Neither Harmonica Clinic nor 421Grid shows ads.

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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.*