# TD Talk vs RevizPro

The clearest difference is in-app purchases: TD Talk at none against RevizPro's 2. RevizPro's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RevizPro sells 2 in-app purchases, starting at $4.90 per month. TD Talk asks for nothing beyond the download.

TD Talk ships an update every 2 months, RevizPro every 5 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | TD Talk | RevizPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (11 ratings)](https://appshunter.io/ios/app/td-talk/id1509210085/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 305 MB | 21 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [Laurent Lach](https://appshunter.io/developer/1859418681) |

## What reviewers say

### 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

**Features:** Vision Pro support

**In-app purchases:** none


### RevizPro

[App page](https://appshunter.io/ios/app/revizpro/id6756235575)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RevizPro Premium Monthly | $4.90 | per month |
| RevizPro Premium Yearly | $49.90 | per year |


## Frequently asked questions

### Is TD Talk free?

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

### Is RevizPro free?

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

### Do TD Talk or RevizPro have ads?

Neither TD Talk nor RevizPro shows ads.

### Which is updated more often, TD Talk or RevizPro?

TD Talk ships an update every 2 months, and RevizPro every 5 days. Most recently, TD Talk was updated on October 24, 2026 and RevizPro on October 4, 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.*