# OpenTune: Guitar Tuner — Fast, Accurate & Simple Tuning

> Fast, Accurate & Simple Tuning (iPhone/iPad app by Ali Eren SEVINC.)

- Source: https://appshunter.io/ios/app/opentune-guitar-tuner/id6757105393 (this page in markdown: same URL + `.md`)
- Developer: [Ali Eren SEVINC](https://appshunter.io/developer/1751933016)
- Category: Music, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 39 MB
- Languages: American English
- Released: 2026-01-06
- Data updated: 2026-10-10

## What is OpenTune?

Are you tired of complicated tuning apps with endless settings and ads? Meet OpenTune, the most straightforward guitar tuner designed for musicians who just want to play. Whether you are a beginner or a professional, OpenTune provides the precision you need with the simplicity you want.

Why OpenTune?
- Instant Recognition: Just open the app and start plucking. Our advanced chromatic tuner detects the pitch instantly.
- High Accuracy: Engineered for professional-grade tuning precision.
- All Instruments: Perfect for acoustic guitar, electric guitar, bass, and ukulele — plus violin and mandolin.
- Alternate Tunings: Drop D, Drop C, Open G/D/E, half-step and full-step down, and more, ready to go for guitar, bass, and ukulele.
- Clean Interface: No unnecessary buttons. Just a clear, visual tuning guide.

OpenTune stays out of your way so you can get back to playing.

## Is OpenTune safe?

Not enough ratings yet to assess OpenTune.

## Is OpenTune legit?

OpenTune: Guitar Tuner appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for OpenTune is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 2.0.0 — 2026-09-23

Improved tuning accuracy and stability, added more tunings (5-string bass, violin/mandolin, and more alternate guitar tunings), a cleaner tuning display with cents readout, and general performance improvements.

### 1.3.0 — 2026-03-02

Your favorite ad-free tuner just got better!

• Optimized for All Strings: Improved detection for low-end bass frequencies and high-pitched ukulele strings. 
• Clean & Simple: No cluttered menus, just the precision you need.

### 1.2.0 — 2026-01-12

Your favorite ad-free tuner just got better!

• Optimized for All Strings: Improved detection for low-end bass frequencies and high-pitched ukulele strings. 
• Stability Improvements: Smoother performance across all iOS/Android devices. 
• Clean & Simple: No cluttered menus, just the precision you need.

Help us grow: As an independent app your ratings mean the world to us. If OpenTune helps your music, please take a second to rate us on the store!

### 1.1.0 — 2026-01-11

Your favorite ad-free tuner just got better!

• Optimized for All Strings: Improved detection for low-end bass frequencies and high-pitched ukulele strings. 
• Stability Improvements: Smoother performance across all iOS/Android devices. 
• Clean & Simple: No cluttered menus, just the precision you need.

Help us grow: As an independent app your ratings mean the world to us. If OpenTune helps your music, please take a second to rate us on the store!

### 1.0.0 — 2026-01-06

No release notes.

## Apps similar to OpenTune

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [OpenTuner: Guitar & More](https://appshunter.io/ios/app/opentuner-guitar-and-more/id6758322365) | 5.0 (13) | Free | Music |
| [Tune Right: Guitar Tuner](https://appshunter.io/ios/app/tune-right-guitar-tuner/id6758100009) | — | Free | Music |
| [Saz & Guitar Tuner](https://appshunter.io/ios/app/saz-and-guitar-tuner/id6759019432) | — | Free | Music |
| [Guitar Tuner: Chromatic+](https://appshunter.io/ios/app/guitar-tuner-chromatic-plus/id6781159171) | 5.0 (1) | Free | Music |
| [StringPilot](https://appshunter.io/ios/app/stringpilot/id6759282296) | — | Free | Music |
| [GuitarTune2026](https://appshunter.io/ios/app/guitartune2026/id6790172496) | — | Free | Music |

## More apps by Ali Eren SEVINC

- [Match Point: Tennis Scorer](https://appshunter.io/ios/app/match-point-tennis-scorer/id6504356031)
- [Stoic – Motivation & Quotes](https://appshunter.io/ios/app/stoic-motivation-and-quotes/id6737173970)
- [Lexi – YDS Word Flashcards](https://appshunter.io/ios/app/lexi-yds-word-flashcards/id6740161440)
- [Midoku: 6x6 Mini Sudoku Game](https://appshunter.io/ios/app/midoku-6x6-mini-sudoku-game/id6752579615)
- [Flag Quiz: World Trivia Game](https://appshunter.io/ios/app/flag-quiz-world-trivia-game/id6754269937)
- [Mahjong Solitaire - Tile Match](https://appshunter.io/ios/app/mahjong-solitaire-tile-match/id6755725715)

All apps by Ali Eren SEVINC: https://appshunter.io/developer/1751933016

## Related topics

[opentune](https://appshunter.io/ios/topics/opentune) · [tuning guitar](https://appshunter.io/ios/topics/tuning-guitar) · [guitar tuning app](https://appshunter.io/ios/topics/guitar-tuning-app) · [gstrings](https://appshunter.io/ios/topics/gstrings)

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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 2026-10-10.*