# TD Talk vs Mega Key

The clearest difference is update cadence: TD Talk at every 6 weeks against Mega Key's every 6 months. TD Talk also leads on review sentiment (75% vs 64%). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.1 for TD Talk against 4.0 for Mega Key. Both are backed by a comparable volume of ratings — 10 and 12 respectively. Written reviews are what separate them: 75% of TD Talk's written reviews are positive against 64% of Mega Key's.

TD Talk ships an update every 6 weeks, Mega Key every 6 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TD Talk | Mega Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10 ratings)](https://appshunter.io/ios/app/td-talk/id1509210085/reviews)** | [4.0 (12 ratings)](https://appshunter.io/ios/app/mega-key/id6667094938/reviews) |
| Number of ratings | 10 | **12** |
| Positive reviews | **75.0% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 305 MB | 14 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tobii Dynavox LLC](https://appshunter.io/developer/446210474) | [Yanling Wang](https://appshunter.io/developer/1655735989) |

## 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

**In-app purchases:** none


### Mega Key

[App page](https://appshunter.io/ios/app/mega-key/id6667094938)

This app offers a custom large-format keyboard for iOS, featuring keys 40% larger than the default. It aims to enhance typing accuracy and ease for users with fine motor challenges, providing optimized layouts and multiple keyboard options.

**Highlights:** Large-format keys (40% larger), Optimized layout for accuracy, Three keyboard choices (ABC, QWERTY, QWERTY-split), Split keyboard option, Designed for fine motor difficulties

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TD Talk free?

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

### Is Mega Key free?

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

### Which has better reviews, TD Talk or Mega Key?

TD Talk is rated higher. TD Talk averages 4.1 out of 5 from 10 ratings, while Mega Key averages 4.0 from 12 ratings.

### Do TD Talk or Mega Key have ads?

Neither TD Talk nor Mega Key shows ads.

### Which is updated more often, TD Talk or Mega Key?

TD Talk ships an update every 6 weeks, and Mega Key every 6 months. Most recently, TD Talk was updated on October 3, 2026 and Mega Key on October 2, 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.*