# Fret Pro Guitar Notes Trainer vs Clef Trainer Grid

The clearest difference is price: Fret Pro Guitar Notes Trainer at Free against Clef Trainer Grid's $2.99. Fret Pro Guitar Notes Trainer also leads on ratings volume (806 vs 12). Clef Trainer Grid's advantage is in-app purchases (none vs 11) and update cadence (daily vs weekly). On ads and device support there is nothing between them.

Fret Pro Guitar Notes Trainer is free to download; Clef Trainer Grid costs $2.99 up front. Fret Pro Guitar Notes Trainer sells 9 in-app purchases, starting at $5.99 per month. Clef Trainer Grid asks for nothing beyond the download.

Clef Trainer Grid holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fret Pro Guitar Notes Trainer has 806 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 69% of Fret Pro Guitar Notes Trainer's written reviews are positive against 83% of Clef Trainer Grid's.

Fret Pro Guitar Notes Trainer ships an update weekly, Clef Trainer Grid daily. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Fret Pro Guitar Notes Trainer | Clef Trainer Grid |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.8 (806 ratings)](https://appshunter.io/ios/app/fret-pro-guitar-notes-trainer/id1519679458/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721/reviews)** |
| Number of ratings | **806** | 12 |
| Positive reviews | 68.8% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#168** |
| Size | 66 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fretboard Hacking LLC](https://appshunter.io/developer/1459829583) | [John Andersen](https://appshunter.io/developer/1829819109) |

## What reviewers say

### Fret Pro Guitar Notes Trainer

[App page](https://appshunter.io/ios/app/fret-pro-guitar-notes-trainer/id1519679458)

Master your guitar or bass fretboard with this fun and easy trainer. Using scientifically proven methods, it helps you memorize notes quickly through bite-sized practice sessions. Build muscle memory by playing on your actual instrument.

**Highlights:** Memorize guitar/bass notes, Spaced repetition learning, Practice on real instrument, Track progress, Bite-sized practice sessions, Supports multiple instruments

**Features:** Family Sharing, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Monthly + Family | $9.99 | per month |
| Yearly | $29.99 | per year |
| Yearly | $29.99 | per year |
| Yearly + Family | $49.99 | per year |
| Yearly + Family | $49.99 | per year |
| Unlock all notes | $4.99 | one-time |
| Lifetime | $64.99 | one-time |
| Lifetime + Family | $79.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient for learning notes
- 💡 Helpful for memorizing fretboard
- 🎓 Effective training method
- 🎨 Clean and simple design

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Note recognition issues
- 🔁 Repetitive note practice
- 🔇 Microphone problems
- 🤔 Limited free version

**Reported bugs**

- Incorrect note recognition
- Microphone issues after app relaunch
- Inconsistent progress tracking

**Requested features**

- Add custom tunings
- Allow selecting specific notes/areas to practice
- Incorporate solfege and scale degrees
- Provide progress tracking across devices
- Add metronome functionality


### Clef Trainer Grid

[App page](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721)

**Currently charting:** #168 Top Paid · Education (US App Store)

Master sheet music reading across multiple clefs. Practice note input via touch, MIDI keyboard, or microphone. Features a unique grid input to ensure genuine learning, not just muscle memory.

**Highlights:** Treble, alto, and bass clef support, Major and minor key signature support, Accidental support, Adjustable ledger lines, Grid input for muscle memory prevention, MIDI keyboard and microphone input, Cheat Mode for real-time note names

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

**In-app purchases:** none


## Frequently asked questions

### Is Fret Pro Guitar Notes Trainer free?

Fret Pro Guitar Notes Trainer is free to download, with in-app purchases available.

### Is Clef Trainer Grid free?

Clef Trainer Grid costs $2.99, with no in-app purchases.

### Which has better reviews, Fret Pro Guitar Notes Trainer or Clef Trainer Grid?

Clef Trainer Grid is rated higher. Fret Pro Guitar Notes Trainer averages 4.8 out of 5 from 806 ratings, while Clef Trainer Grid averages 5.0 from 12 ratings.

### Do Fret Pro Guitar Notes Trainer or Clef Trainer Grid have ads?

Neither Fret Pro Guitar Notes Trainer nor Clef Trainer Grid shows ads.

### Which is updated more often, Fret Pro Guitar Notes Trainer or Clef Trainer Grid?

Fret Pro Guitar Notes Trainer ships an update weekly, and Clef Trainer Grid daily. Most recently, Fret Pro Guitar Notes Trainer was updated on September 23, 2026 and Clef Trainer Grid on September 21, 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.*