# OpenFret Guitar Tuner vs Centimental

The clearest difference is rating: Centimental at 5.0 against OpenFret Guitar Tuner's 4.5. Centimental also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (17.0 vs 26.2). OpenFret Guitar Tuner's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Centimental sells 1 one-off in-app purchase. OpenFret Guitar Tuner asks for nothing beyond the download.

Centimental holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

OpenFret Guitar Tuner ships an update every 2 months, Centimental every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | OpenFret Guitar Tuner | Centimental |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/openfret-guitar-tuner/id6760603649/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centimental/id6762103305/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 9 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Bradley Chippi](https://appshunter.io/developer/1885261974) | [Vagabond Burro LLC](https://appshunter.io/developer/1892924299) |

## What reviewers say

### OpenFret Guitar Tuner

[App page](https://appshunter.io/ios/app/openfret-guitar-tuner/id6760603649)

This free application helps guitarists tune their instruments quickly and accurately. It supports a variety of string configurations and is designed for use at home, during rehearsals, or for live performances.

**Highlights:** Fast and accurate tuning, Supports 6, 7, and 8-string guitars, Easy to use interface, Works on iPhone, iPad, and Apple Watch, Completely free

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Centimental

[App page](https://appshunter.io/ios/app/centimental/id6762103305)

This app provides precise chromatic tuning for guitars, basses, and ukuleles using professional audio technology. It offers a wide variety of visual themes and supports numerous alternate tunings, with advanced features available via a one-time purchase.

**Highlights:** Chromatic tuning for guitar, bass, ukulele, Precision pitch detection, 20+ visual tuner themes, 30+ alternate tuning presets, Custom tuning builder (Pro), Capo support, Apple Watch app

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centimental Pro | $4.99 | one-time |


## Frequently asked questions

### Is OpenFret Guitar Tuner free?

OpenFret Guitar Tuner is free to download, with no in-app purchases.

### Is Centimental free?

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

### Which has better reviews, OpenFret Guitar Tuner or Centimental?

Centimental is rated higher. OpenFret Guitar Tuner averages 4.5 out of 5 from 2 ratings, while Centimental averages 5.0 from 1 ratings.

### Do OpenFret Guitar Tuner or Centimental have ads?

Neither OpenFret Guitar Tuner nor Centimental shows ads.

### Which is updated more often, OpenFret Guitar Tuner or Centimental?

OpenFret Guitar Tuner ships an update every 2 months, and Centimental every 3 weeks. Most recently, OpenFret Guitar Tuner was updated on October 24, 2026 and Centimental on October 24, 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.*