# Functional Ear Trainer vs Polymeter

The clearest difference is review sentiment: Functional Ear Trainer at 96% against Polymeter's 0%. Functional Ear Trainer also leads on rating (4.9 vs 4.5) and ratings volume (3.8K vs 4). Polymeter's advantage is monetization model (free vs free with in-app purchases) and update cadence (every 3 months vs every 7 months). 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 Polymeter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Functional Ear Trainer holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Functional Ear Trainer has 3.8K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 96% of Functional Ear Trainer's written reviews are positive against 0% of Polymeter's.

Functional Ear Trainer ships an update every 7 months, Polymeter every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Functional Ear Trainer | Polymeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.8K ratings)](https://appshunter.io/ios/app/functional-ear-trainer/id1088761926/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/polymeter-mixed-meters/id6756774115/reviews) |
| Number of ratings | **3.8K** | 4 |
| Positive reviews | **96.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Korchan](https://appshunter.io/developer/1088761925) | [Jack Gruber](https://appshunter.io/developer/1262516427) |

## 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


### Polymeter

[App page](https://appshunter.io/ios/app/polymeter-mixed-meters/id6756774115)

This metronome helps musicians practice complex time signatures and changing meters without constant resets. Create custom sequences, save them as songs, and share with bandmates.

**Highlights:** Combine multiple time signatures, Reorder bars with drag & drop, Create custom meters, Save and recall song sequences, Share songs with other musicians

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polymeter Pro | $4.99 | one-time |


## Frequently asked questions

### Is Functional Ear Trainer free?

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

### Is Polymeter free?

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

### Which has better reviews, Functional Ear Trainer or Polymeter?

Functional Ear Trainer is rated higher. Functional Ear Trainer averages 4.9 out of 5 from 3.8K ratings, while Polymeter averages 4.5 from 4 ratings.

### Do Functional Ear Trainer or Polymeter have ads?

Neither Functional Ear Trainer nor Polymeter shows ads.

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

Functional Ear Trainer ships an update every 7 months, and Polymeter every 3 months. Most recently, Functional Ear Trainer was updated on October 26, 2026 and Polymeter on October 24, 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.*