# Mumble Melody vs Stuttering Therapy (DAF)

Mumble Melody and Stuttering Therapy (DAF) are too close to call on the numbers: across 7 compared parameters — price, review sentiment, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Mumble Melody | Stuttering Therapy (DAF) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mumble-melody/id1607934697/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | Free |
| Size | 33 MB | 15 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akito van Troyer](https://appshunter.io/developer/366770536) | [ziad aljohani](https://appshunter.io/developer/1582786116) |

## What reviewers say

### Mumble Melody

[App page](https://appshunter.io/ios/app/mumble-melody/id1607934697)

This app explores modulated auditory feedback to aid fluency for individuals who stutter. It offers various modes for speech training and discussion, aiming to gather user feedback for ongoing research.

**Highlights:** Modulated auditory feedback, Speech training modes, User feedback collection, Customizable presets, Wired headphone support

**Features:** macOS Compatibility

**In-app purchases:** none


### Stuttering Therapy (DAF)

[App page](https://appshunter.io/ios/app/stuttering-therapy-daf/id6754530721)

This app offers a scientifically validated technique to improve speech fluency for individuals who stutter. It uses delayed auditory feedback, adjustable in real-time, to help users practice smoother speech patterns conveniently from their smartphone.

**Highlights:** Adjustable delay settings (0-200ms), Real-time audio processing, Professional audio quality, Automatic headphone detection, Personalized and saved settings, Simple, intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Mumble Melody free?

Mumble Melody is free to download, with no in-app purchases.

### Is Stuttering Therapy (DAF) free?

Stuttering Therapy (DAF) is free to download, with no in-app purchases.

### Do Mumble Melody or Stuttering Therapy (DAF) have ads?

Neither Mumble Melody nor Stuttering Therapy (DAF) 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.*