# Tonegraph - Instrument Tuner — Instrument Tuner

> Instrument Tuner (iPhone/iPad app by Shinichi Takemura.)

- Source: https://appshunter.io/ios/app/tonegraph-instrument-tuner/id1441889524 (this page in markdown: same URL + `.md`)
- Developer: [Shinichi Takemura](https://appshunter.io/developer/1441889523)
- Category: Utilities, Music
- Price: Free
- Age rating: 4+
- Requires: iOS 12.1 · 15 MB
- Languages: American English, Japanese
- Released: 2018-11-15
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/tonegraph-instrument-tuner/id1441889524/reviews.md

## What is Tonegraph?

Tonegraph app is a chromatic instrument tuner that allows you quickly and accurately tune your instrument. Further, this allows you to watch the spectrum of sounds and know the overtone structure of your instrument or your voice. The working range of the app is 30 Hz to 4000 Hz. The exact pitch name and cents of the sound is displayed. Works as guitar tuner, violin, flute, trumpet and more

Features
-Analog like chronograph
-Shows pitch name
-Shows sound spectrum and waveform
-Many color variation of spectrum chart
-Selectable detection threshold
-Display range is -50 to +50 cent


## Version history (last 4 releases)

### 1.1.0 — 2018-11-29

- It is now possible to watch waveform of sound.

### 1.02 — 2018-11-21

Update of App preview and screen shot images
Update of App icon image

### 1.01 — 2018-11-16

-Solve the problem at the start-up in a horizontal device

### 1.0.0 — 2018-11-14

No release notes.

## Apps similar to Tonegraph

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Tuner: cymbals, bass & guitar](https://appshunter.io/ios/app/tuner-cymbals-bass-and-guitar/id1629468947) | — | Free | Utilities |
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| [LogTime+](https://appshunter.io/ios/app/logtime-plus/id1580331162) | — | Free | Utilities |
| [Perspective Box](https://appshunter.io/ios/app/perspective-box/id1528307727) | — | Free | Utilities |
| [順番呼出](https://appshunter.io/ios/app/id1470937486) | — | Free | Utilities |

## More apps by Shinichi Takemura

- [Sound Oscilloscope](https://appshunter.io/ios/app/sound-oscilloscope/id1442383439)
- [Solar System Maker](https://appshunter.io/ios/app/solar-system-maker/id1452778482)
- [記念日管理](https://appshunter.io/ios/app/id1452989507)

All apps by Shinichi Takemura: https://appshunter.io/developer/1441889523

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-18.*