# Lexico Articulation vs AAT Plus

The clearest difference is update cadence: AAT Plus at monthly against Lexico Articulation's every 16 months. Lexico Articulation's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lexico Articulation sells 10 one-off in-app purchases and AAT Plus sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Lexico Articulation ships an update every 16 months, AAT Plus monthly. The most recent releases landed on September 14, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Lexico Articulation | AAT Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aat-plus/id1527491925/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 174 MB | 112 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pappy GmbH](https://appshunter.io/developer/461368271) | [Smarty Ears](https://appshunter.io/developer/348779167) |

## What reviewers say

### Lexico Articulation

[App page](https://appshunter.io/ios/app/lexico-articulation/id1008585580)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TH-SOUND | $0.99 | one-time |
| NG-SOUND | $1.99 | one-time |
| CH-SOUND | $2.99 | one-time |
| F-SOUND | $3.99 | one-time |
| SH-SOUND | $3.99 | one-time |
| K-SOUND | $3.99 | one-time |
| S-SOUND | $3.99 | one-time |
| P-SOUND | $3.99 | one-time |
| R-SOUND | $5.99 | one-time |
| ALL-SOUND | $69.99 | one-time |


### AAT Plus

[App page](https://appshunter.io/ios/app/aat-plus/id1527491925)

This tool offers a comprehensive suite of screeners and assessments for articulation, including quick screeners, full assessments, sentence-level tests, and stimulability tests. It is designed to aid in evaluating speech sound production.

**Highlights:** Quick screener, Full assessment, Sentence level assessment, R Screener, Stimulability tests

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Testing | $5.99 | per month |
| Yearly Unlimited Tests | $37.99 | per year |
| Purchase 5 tests | $5.99 | one-time |


## Frequently asked questions

### Is Lexico Articulation free?

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

### Is AAT Plus free?

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

### Do Lexico Articulation or AAT Plus have ads?

Neither Lexico Articulation nor AAT Plus shows ads.

### Which is updated more often, Lexico Articulation or AAT Plus?

Lexico Articulation ships an update every 16 months, and AAT Plus monthly. Most recently, Lexico Articulation was updated on September 14, 2026 and AAT Plus on September 5, 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.*