# openTunes vs Tuner (チューナー)

The clearest difference is review sentiment: openTunes at 100% against Tuner (チューナー)'s 40%. openTunes also leads on update cadence (every 2 months vs every 123 months) and iOS requirement (7.0 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

openTunes ships an update every 2 months, Tuner (チューナー) every 123 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | openTunes | Tuner (チューナー) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tuner/id1084397431/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 123 months |
| Monetization | Free | Free |
| Size | 58 MB | 3 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAOKA-KIKAKU](https://appshunter.io/developer/372937641) | [feb19](https://appshunter.io/developer/358045838) |

## What reviewers say

### openTunes

[App page](https://appshunter.io/ios/app/opentunes/id486195455)

This app provides a guitar tuner for open-code tunings. Select a tuning, and the app displays the six strings with their corresponding sounds. You can choose from two guitar head styles and play sounds for 12 seconds by pressing letter name buttons.

**Highlights:** Open-code tuning selection, Guitar head display, Six-string sound visualization, Two guitar head styles, 12-second sound playback, Letter name buttons

**Features:** macOS Compatibility

**In-app purchases:** none


### Tuner (チューナー)

[App page](https://appshunter.io/ios/app/tuner/id1084397431)

This app provides a highly accurate chromatic tuner. It allows you to set a reference tone A4 between 400Hz and 480Hz in 1Hz increments. You can also generate test tones across a wide range of notes.

**Highlights:** High-precision chromatic tuning, Adjustable reference tone (400Hz-480Hz), Test tone generation (C0-B8), Wide note range support, 1Hz increment tuning

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

**In-app purchases:** none


## Frequently asked questions

### Is openTunes free?

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

### Is Tuner (チューナー) free?

Tuner (チューナー) is free to download, with no in-app purchases.

### Do openTunes or Tuner (チューナー) have ads?

Neither openTunes nor Tuner (チューナー) shows ads.

### Which is updated more often, openTunes or Tuner (チューナー)?

openTunes ships an update every 2 months, and Tuner (チューナー) every 123 months. Most recently, openTunes was updated on November 1, 2026 and Tuner (チューナー) on November 2, 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.*