# Harmonica Real Pro vs DJ Kartier

The clearest difference is rating: Harmonica Real Pro at 4.8 against DJ Kartier's 4.2. Harmonica Real Pro also leads on in-app purchases (none vs 3) and review sentiment (78% vs 45%). DJ Kartier's advantage is ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. DJ Kartier sells 3 in-app purchases, starting at $4.99 per month. Harmonica Real Pro asks for nothing beyond the download.

Harmonica Real Pro holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Harmonica Real Pro has 4.6K ratings behind it against 86, so its average is the more settled of the two. Written reviews point the same way: 78% of Harmonica Real Pro's written reviews are positive against 45% of DJ Kartier's.

Harmonica Real Pro ships an update every 5 weeks, DJ Kartier every 3 days. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Harmonica Real Pro | DJ Kartier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.6K ratings)](https://appshunter.io/ios/app/harmonica-real-pro/id6740478968/reviews)** | [4.2 (86 ratings)](https://appshunter.io/ios/app/dj-kartier/id6775130723/reviews) |
| Number of ratings | **4.6K** | 86 |
| Positive reviews | **78.2% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | **Ad-supported** | Freemium |
| Best chart rank | — | **#201** |
| Size | 100 MB | 157 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Son Truong Ngoc](https://appshunter.io/developer/1447240720) | [Producer Supply LLC](https://appshunter.io/developer/6775130905) |

## What reviewers say

### Harmonica Real Pro

[App page](https://appshunter.io/ios/app/harmonica-real-pro/id6740478968)

This app simulates a diatonic harmonica, offering various practice modes and features. Learn and play songs with adjustable speed and pitch, and record your performances.

**Highlights:** Diatonic harmonica simulation, Offline and online song library, Adjustable playback speed, Transpose and reverb effects, Normal and RealTime play modes, Autoplay option, Recording and sharing functionality

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

**In-app purchases:** none


### DJ Kartier

[App page](https://appshunter.io/ios/app/dj-kartier/id6775130723)

**Currently charting:** #201 Top Free · Music (US App Store)

Explore over 1,000 iconic sounds and play them on a built-in multi-touch piano or a connected MIDI keyboard. Learn to play with interactive lessons and customize your experience with various themes and lighting effects.

**Highlights:** 1,000+ premium sounds, Built-in multi-touch piano, Bluetooth MIDI keyboard support, Sound shaping controls (delay, reverb, ADSR), Interactive piano lessons, Customizable piano themes and RGB lighting

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DJ Kartier Premium | $4.99 | per month |
| DJ Kartier Premium (Annual) | $29.99 | per year |
| DJ Kartier Premium (Lifetime) | $79.99 | one-time |


## Frequently asked questions

### Is Harmonica Real Pro free?

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

### Is DJ Kartier free?

DJ Kartier is free to download, with in-app purchases available.

### Which has better reviews, Harmonica Real Pro or DJ Kartier?

Harmonica Real Pro is rated higher. Harmonica Real Pro averages 4.8 out of 5 from 4.6K ratings, while DJ Kartier averages 4.2 from 86 ratings.

### Do Harmonica Real Pro or DJ Kartier have ads?

Harmonica Real Pro shows ads; DJ Kartier does not.

### Which is updated more often, Harmonica Real Pro or DJ Kartier?

Harmonica Real Pro ships an update every 5 weeks, and DJ Kartier every 3 days. Most recently, Harmonica Real Pro was updated on October 16, 2026 and DJ Kartier on October 19, 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.*