# Binary Code Toolkit vs Chord X

The clearest difference is price: Chord X at Free against Binary Code Toolkit's $1.99. Chord X also leads on update cadence (every 6 weeks vs every 37 months). Binary Code Toolkit's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Chord X is free to download; Binary Code Toolkit costs $1.99 up front. Chord X sells 3 one-off in-app purchases. Binary Code Toolkit asks for nothing beyond the download.

Binary Code Toolkit ships an update every 37 months, Chord X every 6 weeks. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Binary Code Toolkit | Chord X |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/chord-x-guitar-ear-training/id1665803697/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 127 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | iPad, Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Lev Tyrnov](https://appshunter.io/developer/1665803699) |

## 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 X

[App page](https://appshunter.io/ios/app/chord-x-guitar-ear-training/id1665803697)

Enhance your guitar chord recognition skills with this ear training app. It features a high-quality audio library, adaptive difficulty, detailed performance statistics, and custom level design to help you master chords.

**Highlights:** High-quality audio library, Adaptive difficulty levels, Detailed performance statistics, Custom level designer, Real guitar recordings

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acoustic Dream | $1.49 | one-time |
| Piano Man | $1.49 | one-time |
| Chord X Premium | $4.99 | one-time |


## Frequently asked questions

### Is Binary Code Toolkit free?

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

### Is Chord X free?

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

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

Chord X shows ads; Binary Code Toolkit does not.

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

Binary Code Toolkit ships an update every 37 months, and Chord X every 6 weeks. Most recently, Binary Code Toolkit was updated on October 3, 2026 and Chord X on October 4, 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.*