# CVI training (Pattern) vs TD Talk

The clearest difference is iOS requirement: CVI training (Pattern) at 6.0 against TD Talk's 17.2. 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 | CVI training (Pattern) | TD Talk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (10 ratings)](https://appshunter.io/ios/app/td-talk/id1509210085/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free |
| Size | 22 MB | 305 MB |
| Requires iOS | **6.0** | 17.2 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer school](https://appshunter.io/developer/512093968) | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) |

## What reviewers say

### CVI training (Pattern)

[App page](https://appshunter.io/ios/app/cvi-training-pattern/id1336795601)

**Features:** macOS Compatibility

**In-app purchases:** none


### TD Talk

[App page](https://appshunter.io/ios/app/td-talk/id1509210085)

This app enables communication for individuals unable to use their voice or hands. It offers text-to-speech functionality through eye-tracking or touch input, supporting a wide range of languages and voices for natural conversation.

**Highlights:** Eye-tracking communication, Touch input for typing, Customized predictive sentence construction, In-sentence editing, 35+ languages and voices, Face-to-face conversation mode, QuickMessages for common phrases

**In-app purchases:** none


## Frequently asked questions

### Is CVI training (Pattern) free?

CVI training (Pattern) is free to download, with no in-app purchases.

### Is TD Talk free?

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

### Do CVI training (Pattern) or TD Talk have ads?

Neither CVI training (Pattern) nor TD Talk 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.*