# Mandolin Tuner vs Keep Black

The clearest difference is price: Mandolin Tuner at Free against Keep Black's $1.99. Mandolin Tuner also leads on device support (3 vs 1). Keep Black's advantage is ads (none vs shown). On in-app purchases and iOS requirement there is nothing between them.

Mandolin Tuner is free to download; Keep Black costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Mandolin Tuner | Keep Black |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (783 ratings)](https://appshunter.io/ios/app/mandolin-tuner/id348630790/reviews)** | — |
| Number of ratings | **783** | — |
| Positive reviews | 60.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | — |
| Monetization | Ad-supported | — |
| Size | 30 MB | 0 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | **iPhone, iPad, iPod** | Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Alvin Yu](https://appshunter.io/developer/310457194) | [Bhagya Silva](https://appshunter.io/developer/954163660) |

## What reviewers say

### Mandolin Tuner

[App page](https://appshunter.io/ios/app/mandolin-tuner/id348630790)

This utility app provides accurate tuning notes for the mandolin, covering the standard G, D, A, and E strings. It's designed to help musicians quickly and easily achieve the correct pitch for their instrument.

**Highlights:** Plays tuning notes, Standard mandolin tuning (G D A E), Easy to use

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward and effective
- 💡 Convenient for quick tuning
- 👍 Works well for the task
- 👍 Accurate tuning

**What reviewers complain about**

- 🐛 Ads covering the buttons
- 🐛 Buttons too small and hard to press
- 🐛 Doesn't work or provide accurate tuning
- 🐛 Lacks features like alternate tunings
- 🐛 Doesn't display the note being played

**Reported bugs**

- App not working or providing inaccurate tuning
- Ads covering the buttons and causing accidental clicks
- Compatibility issues with newer devices

**Requested features**

- Option to turn off ads
- Larger buttons for easier use
- Support for alternate mandolin tunings
- Display the note being played


### Keep Black

[App page](https://appshunter.io/ios/app/keep-black/id1569267680)

**In-app purchases:** none


## Frequently asked questions

### Is Mandolin Tuner free?

Mandolin Tuner is free to download, with no in-app purchases.

### Is Keep Black free?

Keep Black costs $1.99, with no in-app purchases.

### Do Mandolin Tuner or Keep Black have ads?

Mandolin Tuner shows ads; Keep Black does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*