# Cello Key vs Notaforte

The clearest difference is review sentiment: Notaforte at 89% against Cello Key's 0%. Notaforte also leads on rating (4.9 vs 3.5) and ads (none vs shown). Cello Key's advantage is iOS requirement (14.0 vs 17.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Cello Key sells 1 one-off in-app purchase and Notaforte sells 3 in-app purchases, starting at $17.99 per 3 months. Whichever you choose, the download price is not the number that matters.

Notaforte holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Notaforte has 495 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Cello Key's written reviews are positive against 89% of Notaforte's.

Cello Key ships an update every 6 months, Notaforte monthly. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Cello Key | Notaforte |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/cello-key/id6449323913/reviews) | **[4.9 (495 ratings)](https://appshunter.io/ios/app/notaforte-sight-reading-tutor/id6741677964/reviews)** |
| Number of ratings | 2 | **495** |
| Positive reviews | 0.0% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 133 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuriko Kimura](https://appshunter.io/developer/1437608412) | [Bravenbird](https://appshunter.io/developer/1794974058) |

## What reviewers say

### Cello Key

[App page](https://appshunter.io/ios/app/cello-key/id6449323913)

This app provides a simple fingerboard chart for cello learners, helping them identify notes, positions, and fingerings. It's designed for easy reference anywhere, especially useful for sheet music without finger numbers. It's particularly recommended for adult beginners.

**Highlights:** Fingerboard chart for cello, Note identification, Position guidance, Finger number reference, Simple and easy to read layout, Portable reference tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Natural Minor Scales Pack | $1.99 | one-time |


### Notaforte

[App page](https://appshunter.io/ios/app/notaforte-sight-reading-tutor/id6741677964)

This app helps you learn to read music notes quickly and easily through an intuitive and fun experience. It uses a unique visual approach and interactive exercises to build your sight-reading skills, making music reading second nature.

**Highlights:** Illustrated, animated lessons, Visual training methods, Gradual acquisition of reading reflexes, 100+ chapters covering main clefs, 6 unlimited training modes, Customizable exercise sessions, Instant feedback

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Month Subscription | $17.99 | per 3 months |
| 12-Month Subscription | $35.99 | per year |
| One-Time Purchase | $74.99 | one-time |


## Frequently asked questions

### Is Cello Key free?

Cello Key is free to download, with in-app purchases available.

### Is Notaforte free?

Notaforte is free to download, with in-app purchases available.

### Which has better reviews, Cello Key or Notaforte?

Notaforte is rated higher. Cello Key averages 3.5 out of 5 from 2 ratings, while Notaforte averages 4.9 from 495 ratings.

### Do Cello Key or Notaforte have ads?

Cello Key shows ads; Notaforte does not.

### Which is updated more often, Cello Key or Notaforte?

Cello Key ships an update every 6 months, and Notaforte monthly. Most recently, Cello Key was updated on October 2, 2026 and Notaforte on October 16, 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.*