# Stuttering Therapy (DAF) vs UpSpeech

The clearest difference is iOS requirement: Stuttering Therapy (DAF) at 13.0 against UpSpeech's 16.4. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Stuttering Therapy (DAF) | UpSpeech |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Free | — |
| Size | 15 MB | 63 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ziad aljohani](https://appshunter.io/developer/1582786116) | [UPSPEECH, SOCIEDADE UNIPESSOAL, LDA](https://appshunter.io/developer/6778041517) |

## What reviewers say

### 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


### UpSpeech

[App page](https://appshunter.io/ios/app/upspeech/id6778041515)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stuttering Therapy (DAF) free?

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

### Is UpSpeech free?

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

### Do Stuttering Therapy (DAF) or UpSpeech have ads?

Neither Stuttering Therapy (DAF) nor UpSpeech 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.*