# Interval Ear Trainer vs Oolimo Guitar Chords

The clearest difference is rating: Oolimo Guitar Chords at 4.8 against Interval Ear Trainer's 3.9. Oolimo Guitar Chords also leads on update cadence (every 6 weeks vs every 13 months) and review sentiment (92% vs 67%). Interval Ear Trainer's advantage is price ($1.99 vs $5.99) and iOS requirement (10.3 vs 16). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Interval Ear Trainer costs $1.99 and Oolimo Guitar Chords $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oolimo Guitar Chords holds the better App Store score, 4.8 against 3.9. Both are backed by a comparable volume of ratings — 44 and 102 respectively. Written reviews point the same way: 67% of Interval Ear Trainer's written reviews are positive against 92% of Oolimo Guitar Chords's.

Interval Ear Trainer ships an update every 13 months, Oolimo Guitar Chords every 6 weeks. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Interval Ear Trainer | Oolimo Guitar Chords |
| --- | --- | --- |
| Price | **$1.99** | $5.99 |
| Rating | [3.9 (44 ratings)](https://appshunter.io/ios/app/interval-ear-trainer/id559753482/reviews) | **[4.8 (102 ratings)](https://appshunter.io/ios/app/oolimo-guitar-chords/id1463331841/reviews)** |
| Number of ratings | 44 | **102** |
| Positive reviews | 66.7% of reviews | **91.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 72 MB | 15 MB |
| Requires iOS | **10.3** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Justin Guitar](https://appshunter.io/developer/502491353) | [Oliver Mochmann](https://appshunter.io/developer/1463331840) |

## What reviewers say

### Interval Ear Trainer

[App page](https://appshunter.io/ios/app/interval-ear-trainer/id559753482)

Improve your musical ear by learning to identify the distance between two notes. Practice both harmonic (played together) and melodic (played sequentially) intervals. Gradually progress through difficulty levels with piano or guitar input options.

**Highlights:** Melodic interval training, Harmonic interval training, Gradual difficulty progression, Piano or guitar input, Select specific intervals to practice

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for ear training
- 🚀 Effective skill improvement
- 💡 Convenient practice
- 💰 Good value for money
- 👍 Supports Justin's work

**What reviewers complain about**

- 😞 Unintuitive interface
- 😞 Bad text and video information
- 😞 Terrible instructions
- 😞 Useless instructions
- 😞 Confusing for novices

**Reported bugs**

- Does not respond to touch input
- Not working on iOS 11
- Cannot ster back after mistake
- Piano input is wrong
- Melodic interval comes out mistimed

**Requested features**

- Option to replay missed intervals
- Option to keep root note the same
- Automatic mode for interval playback
- Adjustable delay for answer reveal
- Configurable time between interval plays


### Oolimo Guitar Chords

[App page](https://appshunter.io/ios/app/oolimo-guitar-chords/id1463331841)

This app provides an interactive way to learn, understand, and master guitar chords. It offers a structured approach to chord theory, helping users visualize and hear harmonic relationships. Features include a chord finder, analyzer, progression explorer, interactive lessons, and quizzes.

**Highlights:** Interactive chord finder and analyzer, Chord progression visualization, 22 interactive theory lessons, Chord construction and ear training quizzes, Interactive fretboard and diagrams, Chord playback and note display

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Ear Trainer free?

Interval Ear Trainer costs $1.99, with no in-app purchases.

### Is Oolimo Guitar Chords free?

Oolimo Guitar Chords costs $5.99, with no in-app purchases.

### Which has better reviews, Interval Ear Trainer or Oolimo Guitar Chords?

Oolimo Guitar Chords is rated higher. Interval Ear Trainer averages 3.9 out of 5 from 44 ratings, while Oolimo Guitar Chords averages 4.8 from 102 ratings.

### Do Interval Ear Trainer or Oolimo Guitar Chords have ads?

Neither Interval Ear Trainer nor Oolimo Guitar Chords shows ads.

### Which is updated more often, Interval Ear Trainer or Oolimo Guitar Chords?

Interval Ear Trainer ships an update every 13 months, and Oolimo Guitar Chords every 6 weeks. Most recently, Interval Ear Trainer was updated on October 17, 2026 and Oolimo Guitar Chords on October 18, 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.*