# BlueNote2 vs ARPJAM

The clearest difference is rating: ARPJAM at 5.0 against BlueNote2's 3.7. ARPJAM also leads on update cadence (daily vs every 12 months). BlueNote2's advantage is in-app purchases (none vs 1) and ratings volume (3 vs 1). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. ARPJAM sells 1 one-off in-app purchase. BlueNote2 asks for nothing beyond the download.

ARPJAM holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 33% and 33% positive.

BlueNote2 ships an update every 12 months, ARPJAM daily. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BlueNote2 | ARPJAM |
| --- | --- | --- |
| 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/arpjam/id6762045552/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Free | Free |
| Size | 16 MB | 7 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) | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) |

## 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


### ARPJAM

[App page](https://appshunter.io/ios/app/arpjam/id6762045552)

This app generates evolving ambient music using two independent arpeggio engines. It features a generative drum machine, sound design tools, and external instrument synchronization. Save and recall your favorite musical setups.

**Highlights:** Dual arpeggio engines, Generative drum machine, Sound design controls, External instrument sync (Ableton Link, MIDI Clock), Save and recall presets, Built-in timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is BlueNote2 free?

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

### Is ARPJAM free?

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

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

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

### Do BlueNote2 or ARPJAM have ads?

Neither BlueNote2 nor ARPJAM shows ads.

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

BlueNote2 ships an update every 12 months, and ARPJAM daily. Most recently, BlueNote2 was updated on November 2, 2026 and ARPJAM on October 31, 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.*