# E Tuner: Chromatic tuner

> Professional chromatic tuner with tone generator and frequency meter for musicians and sound engineers. (iPhone/iPad app by Vitalii Gryniuk.)

- Source: https://appshunter.io/ios/app/e-tuner-chromatic-tuner/id1254073320 (this page in markdown: same URL + `.md`)
- Developer: [Vitalii Gryniuk](https://appshunter.io/developer/1007630419)
- Category: Music
- Price: Free
- Rating: 4.60/5 from 7 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 28 MB
- Languages: Russian, Japanese, American English
- Released: 2017-07-31
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/e-tuner-chromatic-tuner/id1254073320/reviews.md

## What is E Tuner?

Professional chromatic tuner for Piano, Guitar, Violin. 
(E Tuner is tuned relative to A446 Hz)

Features: 
- High Accuracy  ±2 cent (±0.02 semitone)
- Tone generator (20 - 20 000 Hz)
- Frequency meter

Tune your acoustic guitar with E Tuner free.

App uses device microphone for precise tuning your musical instruments.

Also app can use to Headphones test for engineer and professional sound designer. This helps choice headphones which one offers best performance.

## Key features

- High accuracy tuning (±2 cent)
- Tone generator (20 - 20,000 Hz)
- Frequency meter
- Instrument tuning (Piano, Guitar, Violin)
- Headphone testing

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/e-tuner-chromatic-tuner/id1254073320/reviews.md

### 2/5 — Key of A 440 is 446hz on this app. Help

*2018-06-04*

Key of A 440 is 446hz on this app. Help please. The settings can’t help either

## Frequently asked questions about E Tuner

### What instruments can I tune with E Tuner?

E Tuner is designed for tuning a variety of instruments including piano, guitar, and violin. Its chromatic tuning capabilities make it versatile for many musical applications.

### How accurate is E Tuner?

E Tuner offers high accuracy with a precision of ±2 cents, which is equivalent to ±0.02 semitones. This ensures precise tuning for your instruments.

### Does E Tuner have a tone generator?

Yes, E Tuner includes a tone generator that can produce frequencies ranging from 20 Hz to 20,000 Hz. This feature is useful for tuning and audio testing.

### Can E Tuner be used for headphone testing?

Yes, E Tuner can be used by engineers and professional sound designers for headphone testing. It helps in evaluating headphone performance by analyzing frequencies.

### What is the reference frequency for E Tuner?

E Tuner is tuned relative to A446 Hz. This standard reference frequency ensures consistent and accurate tuning across different uses.

### Does E Tuner have ads?

No, E Tuner does not contain advertisements. Users can enjoy a completely ad-free tuning experience.

### What devices support E Tuner?

E Tuner is available for iPhone, iPad, and iPod devices. It is designed to work seamlessly on Apple's mobile platforms.

### When was E Tuner last updated?

The latest version of E Tuner, 1.2, was last updated on October 12, 2017. The app was initially released on July 31, 2017.

## Version history (last 3 releases)

### 1.2 — 2017-10-12

This app has been updated by Apple to display the Apple Watch app icon.

- iOS 11 support

### 1.1 — 2017-08-13

- Fix bug

### 1.0 — 2017-07-31

No release notes.

## Apps similar to E Tuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Fine Tuner - Chromatic Tuner](https://appshunter.io/ios/app/fine-tuner-chromatic-tuner/id877102884) | 4.3 (516) | Free | Music |
| [UniTuner - Chromatic Tuner](https://appshunter.io/ios/app/unituner-chromatic-tuner/id1546441866) | 4.6 (127) | Free | Music |
| [PianoMeter – Piano Tuner](https://appshunter.io/ios/app/pianometer-piano-tuner/id1515529208) | 4.6 (41) | Free | Music |
| [CarlTune - Chromatic Tuner](https://appshunter.io/ios/app/carltune-chromatic-tuner/id650709683) | 4.3 (59) | Free | Music |
| [Airyware Tuner - strobe & more](https://appshunter.io/ios/app/airyware-tuner-strobe-and-more/id1290537116) | 4.5 (580) | Free | Music |
| [Quick Pocket Tuner](https://appshunter.io/ios/app/quick-pocket-tuner/id558141073) | 3.7 (3) | Free | Music |

## More apps by Vitalii Gryniuk

- [Currency converter: Exchange](https://appshunter.io/ios/app/currency-converter-exchange/id1022760167)
- [SBC - Ballistic Calculator app](https://appshunter.io/ios/app/sbc-ballistic-calculator-app/id1026883819)
- [Calcy - Calculator App](https://appshunter.io/ios/app/calcy-calculator-app/id1031082909)
- [ToMo - To-Do list Tasks and Reminders](https://appshunter.io/ios/app/tomo-to-do-list-tasks-and-reminders/id1032014518)
- [Waiter POS Restaurant System](https://appshunter.io/ios/app/waiter-pos-restaurant-system/id1053010762)
- [Color converter - RGB](https://appshunter.io/ios/app/color-converter-rgb/id1072931115)

All apps by Vitalii Gryniuk: https://appshunter.io/developer/1007630419

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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 2026-08-17.*