# Functional Ear Trainer vs PolyRhythmic Metronome

The clearest difference is update cadence: PolyRhythmic Metronome at every 2 months against Functional Ear Trainer's every 7 months. PolyRhythmic Metronome also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Functional Ear Trainer sells 1 one-off in-app purchase and PolyRhythmic Metronome sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Functional Ear Trainer ships an update every 7 months, PolyRhythmic Metronome every 2 months. The most recent releases landed on September 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Functional Ear Trainer | PolyRhythmic Metronome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.7K ratings)](https://appshunter.io/ios/app/functional-ear-trainer/id1088761926/reviews)** | — |
| Number of ratings | **3.7K** | — |
| Positive reviews | 96.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 82 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Korchan](https://appshunter.io/developer/1088761925) | [Romeu Beato](https://appshunter.io/developer/1801192254) |

## What reviewers say

### Functional Ear Trainer

[App page](https://appshunter.io/ios/app/functional-ear-trainer/id1088761926)

Develop your musical ear by learning to recognize tones within the context of a specific musical key. This app helps you understand the function of each note, improving your ability to transcribe, improvise, and play music by ear. Suitable for all ages and skill levels, with just 10 minutes of daily practice.

**Highlights:** Recognize tones in musical key context, Understand note function, Improve transcription skills, Enhance improvisation, Develop perfect pitch, Daily 10-minute practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Functional Ear Trainer Plus | $19.99 | one-time |

**What reviewers like**

- 🚀 Effective ear training
- 👍 Simple and intuitive interface
- 💡 Customizable exercises
- 🎉 Noticeable improvement with regular practice
- 🎨 Visually appealing design

**What reviewers complain about**

- 🐛 Occasional audio glitches
- 💡 Lack of support for other instruments besides piano
- 💡 Desire for more advanced features (e.g. chord recognition)

**Reported bugs**

- Keyboard display issues when selecting all chromatic notes
- Inconsistent note resolutions in some exercises

**Requested features**

- Add support for multiple notes/chords at once
- Implement a mode for training key recognition
- Provide more customization options for exercises
- Include voice input to play the notes
- Add support for German/Norwegian key names


### PolyRhythmic Metronome

[App page](https://appshunter.io/ios/app/polyrhythmic-metronome/id6760353853)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polyrhythmic Metronome Pro | $2.99 | per month |
| Polyrhythmic Metronome - Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Functional Ear Trainer free?

Functional Ear Trainer is free to download, with in-app purchases available.

### Is PolyRhythmic Metronome free?

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

### Do Functional Ear Trainer or PolyRhythmic Metronome have ads?

Neither Functional Ear Trainer nor PolyRhythmic Metronome shows ads.

### Which is updated more often, Functional Ear Trainer or PolyRhythmic Metronome?

Functional Ear Trainer ships an update every 7 months, and PolyRhythmic Metronome every 2 months. Most recently, Functional Ear Trainer was updated on September 28, 2026 and PolyRhythmic Metronome on September 16, 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.*