# PitchTuner Pro

> PitchTuner Pro (iPhone/iPad app by Qixin Net (Beijing) Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/pitchtuner-pro/id6762104282 (this page in markdown: same URL + `.md`)
- Developer: [Qixin Net (Beijing) Technology Co., Ltd.](https://appshunter.io/developer/1886626064)
- Category: Music
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 12 MB
- Languages: English
- Released: 2026-04-16
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/pitchtuner-pro/id6762104282/reviews.md

## What is PitchTuner Pro?

PitchTuner Pro is your comprehensive musical pitch reference tool.

Browse note frequencies, intervals, and guitar tuning references. Perfect for musicians, music students, and audio engineers.

Features:
- Complete chromatic scale with frequencies (C0-C8)
- Concert pitch reference (A4 = 440Hz)
- Guitar standard tuning reference (EADGBE)
- Musical interval calculator
- Note frequency table
- Octave and semitone relationships
- Clean, musician-friendly interface
- English and Chinese supported
- 100% offline

Note: This is a reference tool. Does NOT use microphone or audio input.


## Version history (last 1 release)

### 1.0 — 2026-04-16

No release notes.

## More apps by Qixin Net (Beijing) Technology Co., Ltd.

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All apps by Qixin Net (Beijing) Technology Co., Ltd.: https://appshunter.io/developer/1886626064

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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 2026-06-10.*