# Binary Code Toolkit vs Chord Trees

The clearest difference is price: Chord Trees at Free against Binary Code Toolkit's $1.99. Chord Trees also leads on update cadence (every 5 days vs every 37 months). Binary Code Toolkit's advantage is iOS requirement (13.2 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Chord Trees is free to download; Binary Code Toolkit costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Binary Code Toolkit ships an update every 37 months, Chord Trees every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Binary Code Toolkit | Chord Trees |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chord-trees/id6772963450/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 10 MB | 3 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPad, Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Jason Zachariah](https://appshunter.io/developer/1896513710) |

## What reviewers say

### Binary Code Toolkit

[App page](https://appshunter.io/ios/app/binary-code-toolkit/id1602413528)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chord Trees

[App page](https://appshunter.io/ios/app/chord-trees/id6772963450)

This interactive tool helps musicians visualize and understand chord connections. Explore harmony, compare instrument voicings, and practice ear training with arpeggio loops. Designed for students, songwriters, producers, and teachers.

**Highlights:** Interactive chord tree visualization, Piano chord inversions, Guitar chord fingerings, Diatonic harmony exploration, Arpeggio loop playback, Multiple instrument sounds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Binary Code Toolkit free?

Binary Code Toolkit costs $1.99, with no in-app purchases.

### Is Chord Trees free?

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

### Do Binary Code Toolkit or Chord Trees have ads?

Neither Binary Code Toolkit nor Chord Trees shows ads.

### Which is updated more often, Binary Code Toolkit or Chord Trees?

Binary Code Toolkit ships an update every 37 months, and Chord Trees every 5 days. Most recently, Binary Code Toolkit was updated on November 3, 2026 and Chord Trees 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.*