# ToneFlow vs Windtone by Sonofield

The clearest difference is in-app purchases: Windtone by Sonofield at none against ToneFlow's 3. ToneFlow's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ToneFlow sells 3 in-app purchases, starting at $1.99 per month. Windtone by Sonofield asks for nothing beyond the download.

## The numbers

| Metric | ToneFlow | Windtone by Sonofield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (18 ratings)](https://appshunter.io/ios/app/windtone-by-sonofield/id6772116401/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free |
| Size | 28 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spyridon Bousios](https://appshunter.io/developer/1168309944) | [Sonofield Ear Trainer Education Ltd.](https://appshunter.io/developer/1789801335) |

## What reviewers say

### ToneFlow

[App page](https://appshunter.io/ios/app/toneflow-nail-every-note/id6771127557)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ToneFlow Pro Monthly | $1.99 | per month |
| ToneFlow Pro Yearly | $3.99 | per year |
| ToneFlow Pro Lifetime | $5.99 | one-time |


### Windtone by Sonofield

[App page](https://appshunter.io/ios/app/windtone-by-sonofield/id6772116401)

This app offers a meditative ear training experience for musicians. It generates endless wind-chime melodies based on chosen scales, with adjustable complexity and real-time note labels. Enjoy a relaxing practice environment with natural ambiences and a tonic reference.

**Highlights:** Scale degree recognition, Over 30 preset scales, Real-time note labels, Adjustable melodic complexity, Natural background ambiences, Tonic reference chime, Playable chimes

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

**In-app purchases:** none


## Frequently asked questions

### Is ToneFlow free?

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

### Is Windtone by Sonofield free?

Windtone by Sonofield is free to download, with no in-app purchases.

### Do ToneFlow or Windtone by Sonofield have ads?

Neither ToneFlow nor Windtone by Sonofield shows ads.

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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.*