# Eye Type AAC vs Prism AAC Browser

The clearest difference is in-app purchases: Prism AAC Browser at none against Eye Type AAC's 2. Prism AAC Browser also leads on update cadence (every 2 days vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Eye Type AAC sells 2 one-off in-app purchases. Prism AAC Browser asks for nothing beyond the download.

Eye Type AAC ships an update every 11 months, Prism AAC Browser every 2 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Eye Type AAC | Prism AAC Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eye-type-aac/id6501984152/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 14 MB | 9 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Su-Kam Intelligent Education Systems Inc](https://appshunter.io/developer/919049297) | [Synalux LLC](https://appshunter.io/developer/1895881089) |

## What reviewers say

### Eye Type AAC

[App page](https://appshunter.io/ios/app/eye-type-aac/id6501984152)

This app enables communication through eye or head tracking on iOS devices. It offers a simple, free interface for text-to-speech output, designed for individuals with motor impairments.

**Highlights:** Eye tracking and head tracking, Text-to-speech output, Large, high-contrast buttons, Word prediction, Simple interface, Works on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day free trial | Free | one-time |
| Activate forever | $19.99 | one-time |


### Prism AAC Browser

[App page](https://appshunter.io/ios/app/prism-aac-browser/id6781468968)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Eye Type AAC free?

Eye Type AAC is free to download, with in-app purchases available.

### Is Prism AAC Browser free?

Prism AAC Browser is free to download, with no in-app purchases.

### Do Eye Type AAC or Prism AAC Browser have ads?

Neither Eye Type AAC nor Prism AAC Browser shows ads.

### Which is updated more often, Eye Type AAC or Prism AAC Browser?

Eye Type AAC ships an update every 11 months, and Prism AAC Browser every 2 days. Most recently, Eye Type AAC was updated on October 15, 2026 and Prism AAC Browser on October 9, 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.*