# chorDLE vs Billie Tracker

chorDLE and Billie Tracker are too close to call on the numbers: across 10 compared parameters — price, rating, review sentiment and ratings volume among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for chorDLE against 5.0 for Billie Tracker. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

chorDLE ships an update every 3 days, Billie Tracker every 2 days. The most recent releases landed on October 31, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | chorDLE | Billie Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/chordle-ear-training-game/id6790047832/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/billie-tracker/id6792379355/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 26 MB | 57 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Beat Kitchen LLC](https://appshunter.io/developer/6778482300) | [Billie Cooperative](https://appshunter.io/developer/1832623915) |

## What reviewers say

### chorDLE

[App page](https://appshunter.io/ios/app/chordle-ear-training-game/id6790047832)

This app helps you develop your ear for music by training you to recognize chords and intervals from real songs. It offers various interactive modes, including hands-free options and multiplayer challenges, to improve your musical understanding and playing ability.

**Highlights:** Chord progression training from real songs, Harmony Wheel visualization, Hands-free playing modes (Blindfold Test, Sing It Back), Multiplayer room hosting and joining, VoiceOver support, 14 levels of interval and chord recognition

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

**In-app purchases:** none


### Billie Tracker

[App page](https://appshunter.io/ios/app/billie-tracker/id6792379355)

Create music with a powerful groovebox featuring a step sequencer, synthesizers, and a sampler. Arrange patterns into songs, shape unique sounds, and export your finished tracks. Designed for intuitive music production on mobile devices.

**Highlights:** Step sequencer for notes and instruments, Shapeable synth instruments, In-app sampler for recording sounds, Mixer with per-track controls, Song arrangement and export options, Hardware controller support

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

**In-app purchases:** none


## Frequently asked questions

### Is chorDLE free?

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

### Is Billie Tracker free?

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

### Which has better reviews, chorDLE or Billie Tracker?

chorDLE and Billie Tracker are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do chorDLE or Billie Tracker have ads?

Neither chorDLE nor Billie Tracker shows ads.

### Which is updated more often, chorDLE or Billie Tracker?

chorDLE ships an update every 3 days, and Billie Tracker every 2 days. Most recently, chorDLE was updated on October 31, 2026 and Billie Tracker on October 17, 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.*