# BlueNote2 vs Cantus

The clearest difference is rating: Cantus at 5.0 against BlueNote2's 3.7. Cantus also leads on update cadence (every 5 days vs every 12 months). BlueNote2's advantage is ratings volume (3 vs 1) and iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cantus holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

BlueNote2 ships an update every 12 months, Cantus every 5 days. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BlueNote2 | Cantus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/bluenote2/id1259298580/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cantus-voicing-lab/id6772984019/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 16 MB | 3 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yaneurabeya](https://appshunter.io/developer/380856441) | [Jason Zachariah](https://appshunter.io/developer/1896513710) |

## What reviewers say

### BlueNote2

[App page](https://appshunter.io/ios/app/bluenote2/id1259298580)

This music app allows users to create sounds and chords by tapping on a visual representation of frequencies. It offers a unique way to explore musical intervals and scales with a simple, intuitive interface.

**Highlights:** Visual frequency expression, Tap to sound creation, Explore musical intervals, Major and minor chord generation, Simple sign wave timbre

**Features:** macOS Compatibility

**In-app purchases:** none


### Cantus

[App page](https://appshunter.io/ios/app/cantus-voicing-lab/id6772984019)

This interactive tool helps musicians explore harmony and chord voicings on a virtual piano. It allows users to visualize how notes move within chords, understand modal relationships, and develop a feel for harmony through focused practice.

**Highlights:** Interactive chord and voicing exploration, Piano keyboard visualization, Modal and scale-based harmony practice, Voice-leading movement analysis, Tone.js audio playback, Account-free operation

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

**In-app purchases:** none


## Frequently asked questions

### Is BlueNote2 free?

BlueNote2 is free to download, with no in-app purchases.

### Is Cantus free?

Cantus is free to download, with no in-app purchases.

### Which has better reviews, BlueNote2 or Cantus?

Cantus is rated higher. BlueNote2 averages 3.7 out of 5 from 3 ratings, while Cantus averages 5.0 from 1 ratings.

### Do BlueNote2 or Cantus have ads?

Neither BlueNote2 nor Cantus shows ads.

### Which is updated more often, BlueNote2 or Cantus?

BlueNote2 ships an update every 12 months, and Cantus every 5 days. Most recently, BlueNote2 was updated on October 9, 2026 and Cantus on October 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.*