# Simple Mandolin Tuner

> Chromatic mandolin tuner with accurate tone detection and advanced signal processing. (iPhone/iPad app by Ullrich Vormbrock.)

- Source: https://appshunter.io/ios/app/simple-mandolin-tuner/id1135724749 (this page in markdown: same URL + `.md`)
- Developer: [Ullrich Vormbrock](https://appshunter.io/developer/994848883)
- Category: Music, Music
- Price: Free with in-app purchases
- Rating: 3.30/5 from 26 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 30 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Italian, Japanese, European Portuguese, Russian, European Spanish and 1 more
- Released: 2018-01-31
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/simple-mandolin-tuner/id1135724749/reviews.md

## What is Simple Mandolin Tuner?

Really a must-have: this chromatic mandolin tuner is very fast, accurate and recognizes all strings using the built-in mic! Easy and perfect fine-tuning for standard mandolins.

This app is developed by a musician and electrical engineer, thus it combines high usability and cutting-edge signal processing. 

Simple Mandolin Tuner is easy to use and provides an aesthetic user interface.
Simple Mandolin Tuner is configured also for the iPhone X.

Features:

+ Default mandolin:  G3-D4-A4-E5 tuning
+ Tone accuracy: +/- 1.0 cents
+ Large frequency range (22 Hz to 1000 Hz).
+ Gauge view of the detected tone (semitone) and octave.
+ Tuning by ear.
+ Free user support.
+ Developed for the iPhone and iPad.

In-App-Purchase:
+ Unlimited duration of reference tone for each string (aiff-sound played in a loop)
+ String Protection: warning when tuning is out of range (prevents over-tightening of mandolin strings) 
+ Calibration: 430 – 500 Hz (0.1 Hz-steps)
+ Sensitivity: choose between 5 different values (from very low to very high)
+ Display of exact frequency (in Hz).
+ Spectral view of the input signal (FFT – visualization of overtones).
+ Time-domain view of the input signal (autocorrelation).


-------------
MORE:
In the case that you experience crashes (or other inconveniences) with this app, please contact me (before you give a low rating to this app) - you may use the following contact form:
http://www.simpleukuleletuner.com/support.html
where you can describe the issue.
Thanks in advance!

## Key features

- Chromatic mandolin tuning
- Accurate tone detection (+/- 1.0 cents)
- Large frequency range (22 Hz - 1000 Hz)
- Gauge view of detected tone
- Tuning by ear
- Free user support

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $0.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/simple-mandolin-tuner/id1135724749/reviews.md

### 3/5 — Love app, but recently started crashing when enabling the microphone

*2023-01-12, version 1.1*

I’ve use this app for a number of years and I’ve grown fond of it. I like the graphics and the user interface. It’s really well designed and easy to use. Just recently it started crashing when you enable the microphone. Is there a fix?

### 1/5 — Does not work

*2022-01-09, version 1.1*

Crashes whenever I try to use it.

### 1/5 — Crashes

*2021-08-17, version 1.1*

Doesn’t work. Every time I hit the record button it crashes

## Frequently asked questions about Simple Mandolin Tuner

### What is the default tuning for Simple Mandolin Tuner?

The default tuning for Simple Mandolin Tuner is G3-D4-A4-E5, which is the standard tuning for most mandolins.

### How accurate is Simple Mandolin Tuner?

Simple Mandolin Tuner offers a tone accuracy of +/- 1.0 cents, ensuring precise tuning for your instrument.

### What devices does Simple Mandolin Tuner support?

Simple Mandolin Tuner is developed for iPhone and iPad, and is configured for iPhone X. It also supports iPod.

### What are the in-app purchase options for Simple Mandolin Tuner?

In-app purchases include unlimited reference tone duration, string protection warnings, calibration adjustments (430-500 Hz), sensitivity settings, and spectral/time-domain views of the input signal.

### What is the age rating for Simple Mandolin Tuner?

Simple Mandolin Tuner has an age rating of 4+, making it suitable for a wide range of users.

### How often is Simple Mandolin Tuner updated?

The latest version is 1.1, and the app was last updated on May 16, 2018. Users can contact the developer for support if they experience issues.

### Does Simple Mandolin Tuner have ads?

The provided data does not specify if Simple Mandolin Tuner has ads. However, it does offer in-app purchases for additional features.

### What is the user rating for Simple Mandolin Tuner?

Simple Mandolin Tuner has a rating of 3.3 stars from 26 ratings. Users experiencing issues are encouraged to contact the developer for support.

## Version history (last 2 releases)

### 1.1 — 2018-05-16

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

Crash reports are no longer sent to third-party companies.
The Federal Data Protection Act (BDSG) and the EU Data Protection Regulation (EU DSGVO) require the documentation of data protection measures.

### 1.0 — 2018-01-29

No release notes.

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## More apps by Ullrich Vormbrock

- [Rookie's Canned Laughter - Happiness for Free!](https://appshunter.io/ios/app/rookies-canned-laughter-happiness-for-free/id1066242724)
- [Chromatic Simple Ukulele Tuner](https://appshunter.io/ios/app/chromatic-simple-ukulele-tuner/id1095159631)
- [Simple Banjo Tuner](https://appshunter.io/ios/app/simple-banjo-tuner/id1132968868)
- [Simple Balalaika Tuner - Precise Chromatic Tuner](https://appshunter.io/ios/app/simple-balalaika-tuner-precise-chromatic-tuner/id1135724767)
- [Fine Violin Tuner - Precise and Chromatic](https://appshunter.io/ios/app/fine-violin-tuner-precise-and-chromatic/id1146255721)

All apps by Ullrich Vormbrock: https://appshunter.io/developer/994848883

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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.*