# Intonalogy vs Wind2Notes

The clearest difference is price: Wind2Notes at Free against Intonalogy's $4.99. Wind2Notes also leads on update cadence (every 2 months vs every 6 months). Intonalogy's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Wind2Notes is free to download; Intonalogy costs $4.99 up front. Wind2Notes sells 4 in-app purchases, starting at $8.99 per month. Intonalogy asks for nothing beyond the download.

Intonalogy ships an update every 6 months, Wind2Notes every 2 months. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Intonalogy | Wind2Notes |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/intonalogy/id1535238157/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | — |
| Best chart rank | **#181** | — |
| Size | 56 MB | 28 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Verrier](https://appshunter.io/developer/1535238159) | [Klangio GmbH](https://appshunter.io/developer/1588721120) |

## What reviewers say

### Intonalogy

[App page](https://appshunter.io/ios/app/intonalogy/id1535238157)

**Currently charting:** #181 Top Paid · Music (US App Store)

Hone your ear for music by training to precisely tune pitches in chords, scales, and melodies. Offers customizable practice modes and challenging tests with scoring. Includes features for educators to create and distribute assignments to students.

**Highlights:** Tune pitches in chords, scales, and melodies, Customizable training mode, Challenge mode with scoring, Classroom features for teachers and students, Support for equal temperament and just intonation, Detailed about page on just intonation

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

**In-app purchases:** none


### Wind2Notes

[App page](https://appshunter.io/ios/app/wind2notes/id6759552109)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wind2Notes Pro Monthly | $8.99 | per month |
| Klangio Universe Monthly | $24.99 | per month |
| Wind2Notes Pro Yearly | $89.99 | per year |
| Universe Subscription | $249.00 | per year |


## Frequently asked questions

### Is Intonalogy free?

Intonalogy costs $4.99, with no in-app purchases.

### Is Wind2Notes free?

Wind2Notes is free to download, with in-app purchases available.

### Do Intonalogy or Wind2Notes have ads?

Wind2Notes shows ads; Intonalogy does not.

### Which is updated more often, Intonalogy or Wind2Notes?

Intonalogy ships an update every 6 months, and Wind2Notes every 2 months. Most recently, Intonalogy was updated on September 22, 2026 and Wind2Notes on September 23, 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.*