# 12 vs Pro Guitar Tuner

The clearest difference is price: Pro Guitar Tuner at Free against 12's $0.99. Pro Guitar Tuner also leads on rating (4.7 vs 3.5) and review sentiment (65% vs 27%). 12's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

Pro Guitar Tuner is free to download; 12 costs $0.99 up front. Pro Guitar Tuner sells 5 in-app purchases, starting at $2.99 per month. 12 asks for nothing beyond the download.

Pro Guitar Tuner holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Pro Guitar Tuner has 10K ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 27% of 12's written reviews are positive against 65% of Pro Guitar Tuner's.

12 ships an update every 3 months, Pro Guitar Tuner monthly. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 12 | Pro Guitar Tuner |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (44 ratings)](https://appshunter.io/ios/app/12-string-guitar-tuner-simple/id330647891/reviews) | **[4.7 (10K ratings)](https://appshunter.io/ios/app/pro-guitar-tuner/id687934254/reviews)** |
| Number of ratings | 44 | **10K** |
| Positive reviews | 27.1% of reviews | **64.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 47 MB |
| Requires iOS | **5.1.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Nikitenko](https://appshunter.io/developer/320174771) | [Pro Guitar Sweden AB](https://appshunter.io/developer/1456606233) |

## What reviewers say

### 12

[App page](https://appshunter.io/ios/app/12-string-guitar-tuner-simple/id330647891)

This application provides a straightforward tool for tuning 12-string guitars to the standard eEaAdDgGBBEE tuning. It guides users by playing the correct notes for each string, allowing them to adjust their tuning pegs accordingly. The app also offers functionality for tuning standard 6-string guitars.

**Highlights:** 12-string guitar tuning, Standard eEaAdDgGBBEE tuning, Plays reference notes for each string, Supports 6-string guitar tuning, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to follow
- 👍 Quick and easy tuning
- 👍 User-friendly mode
- 👍 On target with tuning
- 👍 Great for 12-string guitars

**What reviewers complain about**

- 🐛 Crushing constantly
- 🐛 Does not work on iPad Pro
- 🐛 Useless product
- 🐛 No microphone
- 🐛 Not a tuner, just plays tone

**Reported bugs**

- Crushing constantly
- Does not work on iPad Pro
- No microphone functionality
- App crashes on opening
- App quits when opened

**Requested features**

- Use the microphone for tuning
- Add visual confirmation (e.g., green indicator)
- Allow tuning down strings
- Change MHz up and down


### Pro Guitar Tuner

[App page](https://appshunter.io/ios/app/pro-guitar-tuner/id687934254)

This app provides precise, real-time tuning for a wide variety of stringed instruments. It offers numerous custom tunings, an intuitive interface with visual feedback, and high-quality audio samples for ear training. Users can save favorite tunings for quick access.

**Highlights:** Real-time chromatic tuning, Supports over 200 custom tunings, Vast library of stringed instruments, Intuitive interface with visual feedback, High-quality instrument samples, Save favorite tunings

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Guitar Tuner Premium | $2.99 | per month |
| Premium Membership | $24.99 | per month |
| Pro Guitar Tuner Premium | $24.99 | per year |
| ProGuitar Academy | $79.99 | per year |
| Premium Tuner | $59.99 | one-time |

**What reviewers like**

- 🌟 Excellent tuning accuracy
- 👍 Easy to use and intuitive
- 🎨 Beautiful and clean design
- 🔍 Versatile with many tuning options

**What reviewers complain about**

- 💰 Paid features behind paywall
- 🙄 Excessive ads in free version
- 🐛 Occasional bugs and glitches
- 🔇 Microphone issues on some devices

**Reported bugs**

- App crashes when changing tuning modes
- Tuner not responding to some strings
- Microphone not working on certain devices

**Requested features**

- Custom tuning options
- Support for more instrument types
- Landscape mode support
- Ability to save tuning profiles


## Frequently asked questions

### Is 12 free?

12 costs $0.99, with no in-app purchases.

### Is Pro Guitar Tuner free?

Pro Guitar Tuner is free to download, with in-app purchases available.

### Which has better reviews, 12 or Pro Guitar Tuner?

Pro Guitar Tuner is rated higher. 12 averages 3.5 out of 5 from 44 ratings, while Pro Guitar Tuner averages 4.7 from 10K ratings.

### Do 12 or Pro Guitar Tuner have ads?

Pro Guitar Tuner shows ads; 12 does not.

### Which is updated more often, 12 or Pro Guitar Tuner?

12 ships an update every 3 months, and Pro Guitar Tuner monthly. Most recently, 12 was updated on November 6, 2026 and Pro Guitar Tuner on November 10, 2026.

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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.*