# Tuner (チューナー) vs Custom Tuner

The clearest difference is update cadence: Custom Tuner at monthly against Tuner (チューナー)'s every 123 months. Custom Tuner also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Tuner (チューナー) ships an update every 123 months, Custom Tuner monthly. The most recent releases landed on June 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Tuner (チューナー) | Custom Tuner |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 123 months | **Monthly** |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nobuhiro Takahashi](https://appshunter.io/developer/358045838) | [Naoki Chiba](https://appshunter.io/developer/1895372512) |

## What reviewers say

### 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

**In-app purchases:** none


### Custom Tuner

[App page](https://appshunter.io/ios/app/custom-tuner/id6791385399)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tuner (チューナー) free?

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

### Is Custom Tuner free?

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

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

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

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

Tuner (チューナー) ships an update every 123 months, and Custom Tuner monthly. Most recently, Tuner (チューナー) was updated on June 1, 2026 and Custom Tuner on September 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.*