# Note Pro! vs Guitar Open Tunings Trainer

The clearest difference is price: Guitar Open Tunings Trainer at Free against Note Pro!'s $0.99. Guitar Open Tunings Trainer also leads on update cadence (every 2 weeks vs every 2 months). Note Pro!'s advantage is iOS requirement (8.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Guitar Open Tunings Trainer is free to download; Note Pro! costs $0.99 up front. Note Pro! sells 10 one-off in-app purchases and Guitar Open Tunings Trainer sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Note Pro! ships an update every 2 months, Guitar Open Tunings Trainer every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Note Pro! | Guitar Open Tunings Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/note-pro/id583059995/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 9 MB | 46 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [barnsystem GmbH](https://appshunter.io/developer/583059998) | [Guitar Triad Trainer, LLC](https://appshunter.io/developer/6772830723) |

## What reviewers say

### Note Pro!

[App page](https://appshunter.io/ios/app/note-pro/id583059995)

Learn to play musical notes for your instrument with interactive exercises. Master sight-reading, chords, and rhythm through a game-like interface designed for effective brain integration. Practice anytime, anywhere.

**Highlights:** Instrument-specific exercises, Authentic instrument sounds, Interactive note presentation and repetition, Game-like learning interface, Intuitive operation, Supports piano, violin, saxophone, flute, guitar

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piano for childs | $0.99 | one-time |
| Flute | $0.99 | one-time |
| Electric guitar | $1.99 | one-time |
| Recorder | $1.99 | one-time |
| Saxophone | $1.99 | one-time |
| Violin | $2.99 | one-time |
| clefs | $2.99 | one-time |
| Piano for adults | $2.99 | one-time |
| Allrounder | $2.99 | one-time |
| Allrounder violin | $3.99 | one-time |


### Guitar Open Tunings Trainer

[App page](https://appshunter.io/ios/app/guitar-open-tunings-trainer/id6778865570)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $0.99 | per month |
| 3-day Trial | Free | one-time |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Note Pro! free?

Note Pro! costs $0.99, and also offers in-app purchases.

### Is Guitar Open Tunings Trainer free?

Guitar Open Tunings Trainer is free to download, with in-app purchases available.

### Do Note Pro! or Guitar Open Tunings Trainer have ads?

Neither Note Pro! nor Guitar Open Tunings Trainer shows ads.

### Which is updated more often, Note Pro! or Guitar Open Tunings Trainer?

Note Pro! ships an update every 2 months, and Guitar Open Tunings Trainer every 2 weeks. Most recently, Note Pro! was updated on October 24, 2026 and Guitar Open Tunings Trainer on October 24, 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.*