# Notalune vs CPianoS

The clearest difference is ads: Notalune at none against CPianoS's shown. Notalune also leads on iOS requirement (17.0 vs 26.0). CPianoS's advantage is update cadence (every 3 days vs every 10 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Notalune sells 1 one-off in-app purchase and CPianoS sells 2 in-app purchases, starting at $5.49 per month. Whichever you choose, the download price is not the number that matters.

Notalune ships an update every 10 days, CPianoS every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Notalune | CPianoS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/notalune-note-names-reader/id6780656097/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 26 MB | 118 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DAVID CHRISTIAN LICHTAG](https://appshunter.io/developer/6780656099) | [Miyauchi Isao](https://appshunter.io/developer/1886398515) |

## What reviewers say

### Notalune

[App page](https://appshunter.io/ios/app/notalune-note-names-reader/id6780656097)

Instantly identify notes on printed sheet music by pointing your device at it. Supports multiple naming conventions and offers practice modes to help you learn. Designed for privacy with on-device processing and no internet connection required.

**Highlights:** Real-time note name overlay, Multiple naming conventions (English, German, Solfège, Katakana), On-device processing for privacy, Practice mode with hidden notes, PDF import and annotation, Integrated metronome, Correction tools for clef and key

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notalune Pro | $9.99 | one-time |


### CPianoS

[App page](https://appshunter.io/ios/app/cpianos/id6818919453)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $5.49 | per month |
| Premium (Yearly) | $46.99 | per year |


## Frequently asked questions

### Is Notalune free?

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

### Is CPianoS free?

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

### Do Notalune or CPianoS have ads?

CPianoS shows ads; Notalune does not.

### Which is updated more often, Notalune or CPianoS?

Notalune ships an update every 10 days, and CPianoS every 3 days. Most recently, Notalune was updated on October 31, 2026 and CPianoS on November 6, 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.*