# Aural Wiz vs OpenString

The clearest difference is in-app purchases: Aural Wiz at none against OpenString's 1. Aural Wiz also leads on ratings volume (636 vs 1) and iOS requirement (12.0 vs 15.1). OpenString's advantage is ads (none vs shown) and update cadence (daily vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. OpenString sells 1 one-off in-app purchase. Aural Wiz asks for nothing beyond the download.

OpenString holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Aural Wiz has 636 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 76% of Aural Wiz's written reviews are positive against 100% of OpenString's.

Aural Wiz ships an update every 5 weeks, OpenString daily. Both last shipped on October 8, 2026.

## The numbers

| Metric | Aural Wiz | OpenString |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (636 ratings)](https://appshunter.io/ios/app/aural-wiz/id1216822136/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openstring-tuner-and-chords/id6811273833/reviews)** |
| Number of ratings | **636** | 1 |
| Positive reviews | 75.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Ad-supported | **Free** |
| Size | 15 MB | 47 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bijoy Thangaraj](https://appshunter.io/developer/453056920) | [Techguyver Labs, LLC](https://appshunter.io/developer/6796192098) |

## What reviewers say

### Aural Wiz

[App page](https://appshunter.io/ios/app/aural-wiz/id1216822136)

Enhance your musical ear by learning to identify intervals, scales, modes, chords, and cadences. This app offers two modes: Learn to hear and understand musical elements, and Practice to test your recognition skills. It's designed for music students and musicians aiming to improve their aural abilities.

**Highlights:** Interval recognition, Scale identification, Mode training, Chord and cadence learning, Learn mode, Practice mode

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

**In-app purchases:** none

**What reviewers like**

- 🎓 Effective ear training and interval identification
- 📚 Teaches music theory concepts comprehensively
- 🆓 Free app with no ads
- 👍 User-friendly and simple to use
- 🎯 Good for exam preparation (GCSE, music exams)

**What reviewers complain about**

- 🎯 Not suitable for complete beginners
- 📖 Lacks explanations of music theory terms
- 🔁 Cadence recordings repeat frequently
- 🎵 Timbre changes abruptly mid-scale
- 😴 Can feel boring or repetitive

**Reported bugs**

- Cannot return to main menu after closing ads
- App crashes or requires restart after ad closure
- Minor 7th chord labeled incorrectly (minor-major instead of minor-minor)
- Same intervals/chords/scales play multiple times in succession

**Requested features**

- Descending intervals and scales option
- Speed adjustment for scales
- Chromatic scale option
- Intervals played from top to bottom
- Modes of melodic/harmonic minor


### OpenString

[App page](https://appshunter.io/ios/app/openstring-tuner-and-chords/id6811273833)

This app provides essential tools for guitarists, including a tuner, metronome, chord handbook, and a personal songbook. It offers all features upfront with no subscriptions or in-app purchases, allowing users to manage their own song charts and practice effectively offline.

**Highlights:** Guitar tuner, Metronome with tempo and meter settings, Chord handbook with fingerings and voicings, Personal songbook for lyrics and chords, Key transposition and capo preference, Scale and shape finder

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenString Pro | $9.99 | one-time |


## Frequently asked questions

### Is Aural Wiz free?

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

### Is OpenString free?

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

### Which has better reviews, Aural Wiz or OpenString?

OpenString is rated higher. Aural Wiz averages 4.8 out of 5 from 636 ratings, while OpenString averages 5.0 from 1 ratings.

### Do Aural Wiz or OpenString have ads?

Aural Wiz shows ads; OpenString does not.

### Which is updated more often, Aural Wiz or OpenString?

Aural Wiz ships an update every 5 weeks, and OpenString daily. Most recently, Aural Wiz was updated on October 8, 2026 and OpenString on October 8, 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.*