# AI Harp vs NoteHound

The clearest difference is price: NoteHound at Free against AI Harp's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

NoteHound is free to download; AI Harp costs $0.99 up front. AI Harp sells 1 one-off in-app purchase and NoteHound sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Harp ships an update every 2 weeks, NoteHound every 9 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AI Harp | NoteHound |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 109 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [树伟 杨](https://appshunter.io/developer/1843510075) | [Francesco Farruggia](https://appshunter.io/developer/876430105) |

## What reviewers say

### AI Harp

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

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 |


### NoteHound

[App page](https://appshunter.io/ios/app/notehound/id6761667456)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteHound Pro | $9.99 | one-time |


## Frequently asked questions

### Is AI Harp free?

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

### Is NoteHound free?

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

### Do AI Harp or NoteHound have ads?

Neither AI Harp nor NoteHound shows ads.

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

AI Harp ships an update every 2 weeks, and NoteHound every 9 days. Most recently, AI Harp was updated on October 15, 2026 and NoteHound on October 8, 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.*