# Note Freak vs JP

The clearest difference is price: Note Freak at Free against JP's $0.49. Note Freak also leads on iOS requirement (10.0 vs 26.5). JP's advantage is update cadence (every 2 days vs every 36 months). On ads, in-app purchases and device support there is nothing between them.

Note Freak is free to download; JP costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Note Freak ships an update every 36 months, JP every 2 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Note Freak | JP |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/note-freak/id562619437/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 2 MB | 31 MB |
| Requires iOS | **10.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kevlee Software LLC](https://appshunter.io/developer/562619440) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### Note Freak

[App page](https://appshunter.io/ios/app/note-freak/id562619437)

This reference app displays musical pitches and their corresponding frequencies in hertz. It also associates various musical instruments with these hertz values and organizes the frequency spectrum into easily accessible tabs.

**Highlights:** Musical pitch display, Frequency values in hertz, Instrument associations, Organized frequency spectrum tabs, Reference for musicians

**Features:** macOS Compatibility

**In-app purchases:** none


### JP

[App page](https://appshunter.io/ios/app/jp-square-pro-vintage-synth/id6779181284)

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

**In-app purchases:** none


## Frequently asked questions

### Is Note Freak free?

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

### Is JP free?

JP costs $0.49, with no in-app purchases.

### Do Note Freak or JP have ads?

Neither Note Freak nor JP shows ads.

### Which is updated more often, Note Freak or JP?

Note Freak ships an update every 36 months, and JP every 2 days. Most recently, Note Freak was updated on October 20, 2026 and JP 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.*