# GP Tone Builder vs LibreTracks

The clearest difference is in-app purchases: LibreTracks at none against GP Tone Builder's 1. LibreTracks also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GP Tone Builder sells 1 in-app purchase, starting at $29.99 per year. LibreTracks asks for nothing beyond the download.

GP Tone Builder ships an update every 3 weeks, LibreTracks every 6 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GP Tone Builder | LibreTracks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gp-tone-builder/id6760564651/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 16 MB | 78 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [aziz bou harb](https://appshunter.io/developer/1885005681) | [Otoniel Perez](https://appshunter.io/developer/6811346214) |

## What reviewers say

### GP Tone Builder

[App page](https://appshunter.io/ios/app/gp-tone-builder/id6760564651)

This app uses AI to analyze the guitar or bass tone of any song and create playable patches for your Valeton multi-effects processor. It isolates tracks, analyzes spectral features, and maps tones to your device's effects via Bluetooth.

**Highlights:** AI tone analysis for guitar and bass, Bluetooth patch transfer, Song audio separation, Multi-section tone mapping, Direct hardware integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $29.99 | per year |


### LibreTracks

[App page](https://appshunter.io/ios/app/libretracks/id6811346212)

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

**In-app purchases:** none


## Frequently asked questions

### Is GP Tone Builder free?

GP Tone Builder is free to download, with in-app purchases available.

### Is LibreTracks free?

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

### Do GP Tone Builder or LibreTracks have ads?

Neither GP Tone Builder nor LibreTracks shows ads.

### Which is updated more often, GP Tone Builder or LibreTracks?

GP Tone Builder ships an update every 3 weeks, and LibreTracks every 6 days. Most recently, GP Tone Builder was updated on October 24, 2026 and LibreTracks on October 16, 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.*