# iImprov vs Functional Ear Trainer

The clearest difference is price: Functional Ear Trainer at Free against iImprov's $0.99. Functional Ear Trainer also leads on rating (4.9 vs 3.7) and review sentiment (96% vs 67%). iImprov's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.0). On ads and device support there is nothing between them.

Functional Ear Trainer is free to download; iImprov costs $0.99 up front. Functional Ear Trainer sells 1 one-off in-app purchase. iImprov asks for nothing beyond the download.

Functional Ear Trainer holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: Functional Ear Trainer has 3.8K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 67% of iImprov's written reviews are positive against 96% of Functional Ear Trainer's.

iImprov ships an update every 24 months, Functional Ear Trainer every 7 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iImprov | Functional Ear Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.7 (23 ratings)](https://appshunter.io/ios/app/iimprov-chordscale-compendium/id453639147/reviews) | **[4.9 (3.8K ratings)](https://appshunter.io/ios/app/functional-ear-trainer/id1088761926/reviews)** |
| Number of ratings | 23 | **3.8K** |
| Positive reviews | 66.7% of reviews | **96.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 41 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jazz Apps Mobile LLC](https://appshunter.io/developer/421582808) | [Serhii Korchan](https://appshunter.io/developer/1088761925) |

## What reviewers say

### iImprov

[App page](https://appshunter.io/ios/app/iimprov-chordscale-compendium/id453639147)

This app offers a visual and audio reference for jazz improvisation scales and chords. It helps users train their ear by presenting chord qualities, recommended scales, and audio playback. Users can select clefs, transpose for their instrument, and view scales and chords in any key.

**Highlights:** Visual and audio scale/chord reference, Ear training tool, Organizes 25 chord qualities, Key selection wheel, Recommended scales for chords, Audio playback of chords and scales, Bass/treble clef selection, Instrument transposition

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iImprov free?

iImprov costs $0.99, with no in-app purchases.

### Is Functional Ear Trainer free?

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

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

Functional Ear Trainer is rated higher. iImprov averages 3.7 out of 5 from 23 ratings, while Functional Ear Trainer averages 4.9 from 3.8K ratings.

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

Neither iImprov nor Functional Ear Trainer shows ads.

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

iImprov ships an update every 24 months, and Functional Ear Trainer every 7 months. Most recently, iImprov was updated on October 23, 2026 and Functional Ear Trainer 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.*