# AI Harp vs iRetroMuse

The clearest difference is price: iRetroMuse at Free against AI Harp's $0.99. iRetroMuse also leads on in-app purchases (none vs 1). AI Harp's advantage is ads (none vs shown) and chart position (#196 vs unranked). On update cadence and device support there is nothing between them.

iRetroMuse is free to download; AI Harp costs $0.99 up front. AI Harp sells 1 one-off in-app purchase. iRetroMuse asks for nothing beyond the download.

AI Harp ships an update every 2 weeks, iRetroMuse monthly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | AI Harp | iRetroMuse |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#196** | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [树伟 杨](https://appshunter.io/developer/1843510075) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### AI Harp

[App page](https://appshunter.io/ios/app/ai-harp/id6760115035)

**Currently charting:** #196 Top Paid · Music (US App Store)

This app provides real-time feedback for harmonica practice, acting as a tuner, coach, and tab trainer. It offers guided exercises, detailed performance metrics, and progress tracking to help users improve their playing.

**Highlights:** Real-time tuner and feedback, Guided practice exercises, Detailed performance metrics, Tab import/export, Metronome with tap tempo, Progress tracking and analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Harp Pro | $1.99 | one-time |


### iRetroMuse

[App page](https://appshunter.io/ios/app/iretromuse/id6770200570)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Harp free?

AI Harp costs $0.99, and also offers in-app purchases.

### Is iRetroMuse free?

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

### Do AI Harp or iRetroMuse have ads?

iRetroMuse shows ads; AI Harp does not.

### Which is updated more often, AI Harp or iRetroMuse?

AI Harp ships an update every 2 weeks, and iRetroMuse monthly. Most recently, AI Harp was updated on October 25, 2026 and iRetroMuse 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.*