# Tuner (チューナー) vs CelloScale

Tuner (チューナー) and CelloScale are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Tuner (チューナー) | CelloScale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tuner/id1084397431/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 123 months | — |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [feb19](https://appshunter.io/developer/358045838) | [Tomo Takahashi](https://appshunter.io/developer/1858509733) |

## 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, Vision Pro support

**In-app purchases:** none


### CelloScale

[App page](https://appshunter.io/ios/app/celloscale/id6763890058)

**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 CelloScale free?

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

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

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

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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.*