# FretBuilder vs OneTune

The clearest difference is update cadence: OneTune at weekly against FretBuilder's every 15 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FretBuilder sells 2 in-app purchases, starting at $1.99 per month and OneTune sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

FretBuilder ships an update every 15 months, OneTune weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FretBuilder | OneTune |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 16 MB | 82 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brandon Fraune](https://appshunter.io/developer/1662190391) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### FretBuilder

[App page](https://appshunter.io/ios/app/fretbuilder/id6505123345)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium | $1.99 | per month |
| Yearly premium | $19.99 | per year |


### OneTune

[App page](https://appshunter.io/ios/app/onetune-instrument-tuner/id6789659103)

This app offers an offline instrument tuner, metronome, and a library for practicing music. It includes chord diagrams, scale combinations, and lessons for beginners, along with score management features.

**Highlights:** Offline instrument tuner, Metronome with tap tempo, Score library with annotation, Chord and scale diagrams, Beginner music lessons, Home Screen widgets

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneTune Annual Pro | $2.99 | per year |
| OneTune Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is FretBuilder free?

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

### Is OneTune free?

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

### Do FretBuilder or OneTune have ads?

Neither FretBuilder nor OneTune shows ads.

### Which is updated more often, FretBuilder or OneTune?

FretBuilder ships an update every 15 months, and OneTune weekly. Most recently, FretBuilder was updated on October 27, 2026 and OneTune on October 25, 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.*