# Lexico Compreender (pt) vs Speech Central, AAC

The clearest difference is price: Speech Central, AAC at Free against Lexico Compreender (pt)'s $24.99. Speech Central, AAC also leads on update cadence (every 2 months vs every 7 months). Lexico Compreender (pt)'s advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Speech Central, AAC is free to download; Lexico Compreender (pt) costs $24.99 up front. Lexico Compreender (pt) sells 1 one-off in-app purchase and Speech Central, AAC sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lexico Compreender (pt) ships an update every 7 months, Speech Central, AAC every 2 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Lexico Compreender (pt) | Speech Central, AAC |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/speech-central-aac-speakaid/id6745821966/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Subscription |
| Size | 94 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Pappy GmbH](https://appshunter.io/developer/461368271) | [Kaan Yildiz](https://appshunter.io/developer/1473960483) |

## What reviewers say

### Lexico Compreender (pt)

[App page](https://appshunter.io/ios/app/lexico-compreender-pt/id1080615664)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all levels of Lexico Compreender | $24.99 | one-time |


### Speech Central, AAC

[App page](https://appshunter.io/ios/app/speech-central-aac-speakaid/id6745821966)

This AI-powered communication app assists individuals with speech difficulties by offering a symbol-based interface, predictive text, and high-quality voices. It supports multiple languages and allows for personalized message creation through tapping symbols, importing photos, or typing.

**Highlights:** AI-powered phrase suggestions, Symbol-based sentence builder, Auto-generated categories, Multilingual voices, Offline functionality, Customizable boards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeakAid Weekly | $7.99 | per 7 days |
| SpeakAid Yearly | $59.99 | per year |


## Frequently asked questions

### Is Lexico Compreender (pt) free?

Lexico Compreender (pt) costs $24.99, and also offers in-app purchases.

### Is Speech Central, AAC free?

Speech Central, AAC is free to download, with in-app purchases available.

### Do Lexico Compreender (pt) or Speech Central, AAC have ads?

Neither Lexico Compreender (pt) nor Speech Central, AAC shows ads.

### Which is updated more often, Lexico Compreender (pt) or Speech Central, AAC?

Lexico Compreender (pt) ships an update every 7 months, and Speech Central, AAC every 2 months. Most recently, Lexico Compreender (pt) was updated on November 2, 2026 and Speech Central, AAC on November 8, 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.*