# pitchGraf — pitch monitoring tool

> pitch monitoring tool (iPhone/iPad app by Satoshi Kajii.)

- Source: https://appshunter.io/ios/app/pitchgraf/id6745245004 (this page in markdown: same URL + `.md`)
- Developer: [Satoshi Kajii](https://appshunter.io/developer/1777441634)
- Category: Music
- Price: $2.99 (on sale, was $3.99)
- Age rating: 4+
- Requires: iOS 15.0 · 8 MB
- Released: 2025-05-01
- Data updated: 2026-08-24
- User reviews in markdown: https://appshunter.io/ios/app/pitchgraf/id6745245004/reviews.md

## What is pitchGraf?

Concept:

The app is a pitch monitoring tool and works as standalone or AUv3 plugin. It will analyze an incoming audio signal using FFT and display its spectral graph in real-time (unit: musical pitch not hertz).  The user can watch and study in detail the pitch distribution of audio source.

Usage:

There are seven sliders.

1. Resolution: determines the analysis resolution. (higher resolution - worse time response) vice versa
2. Pan: works as panner, only if input source is stereo.
3. Magnify: magnifies the screen horizontally.
4. Slide: slides the screen horizontally.
5. Out: determines the audio output to be turned on or off (default: Off). 
6. Input: input gain in dB.
7. Tuning: adjusts A4’s reference frequency in the range from 414hz to 467hz (default: 440).

In the app the pitches are represented as follows:

C -> C
Cis -> 1
D -> D
Es -> 3
E -> E
F -> F
Fis -> 6
G -> G
As -> 8
A -> A
B -> B
H -> H


Specifications:

Compatible with the following sampling rate (from 44.1khz to 96khz)


## Version history (last 2 releases)

### 1.1.1 — 2025-11-28

2 new parameters are added.
1. “Input gain” parameter (for environmental sounds)
2. “Tuning” parameter. A4’s reference frequency can be set from 414hz to 467hz. (Default: 440)

### 1.0 — 2025-05-01

No release notes.

## Apps similar to pitchGraf

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [VAPolyFMv2](https://appshunter.io/ios/app/vapolyfmv2/id6751489154) | 4.5 (6) | $14.99 | Music |
| [Masher AU](https://appshunter.io/ios/app/masher-au/id6449647646) | 4.1 (7) | $2.99 | Music |
| [SGA Phoenix](https://appshunter.io/ios/app/sga-phoenix/id1565520345) | 5.0 (4) | $24.99 | Music |
| [NightShine AUv3 Compressor](https://appshunter.io/ios/app/nightshine-auv3-compressor/id6746288283) | 3.0 (2) | $4.99 | Music |

## More apps by Satoshi Kajii

- [StereoLoco](https://appshunter.io/ios/app/stereoloco/id6737751583)
- [shortReverse](https://appshunter.io/ios/app/shortreverse/id6738296410)
- [Jacquardi](https://appshunter.io/ios/app/jacquardi/id6738633198)
- [DeDrummer](https://appshunter.io/ios/app/dedrummer/id6744193942)
- [pitchBender](https://appshunter.io/ios/app/pitchbender/id6744398563)
- [DeHiss](https://appshunter.io/ios/app/dehiss/id6744572519)

All apps by Satoshi Kajii: https://appshunter.io/developer/1777441634

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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 2026-08-24.*