# Reading Skills 4A vs Lexico Articulation

The clearest difference is price: Lexico Articulation at Free against Reading Skills 4A's $2.99. Reading Skills 4A's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.0). On update cadence, ads and device support there is nothing between them.

Lexico Articulation is free to download; Reading Skills 4A costs $2.99 up front. Lexico Articulation sells 10 one-off in-app purchases. Reading Skills 4A asks for nothing beyond the download.

Reading Skills 4A ships an update every 17 months, Lexico Articulation every 23 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Reading Skills 4A | Lexico Articulation |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 17 months** | Every 23 months |
| Size | 30 MB | 169 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Pappy GmbH](https://appshunter.io/developer/461368271) |

## What reviewers say

### Reading Skills 4A

[App page](https://appshunter.io/ios/app/reading-skills-4a/id545807900)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lexico Articulation

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

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

**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 |


## Frequently asked questions

### Is Reading Skills 4A free?

Reading Skills 4A costs $2.99, with no in-app purchases.

### Is Lexico Articulation free?

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

### Do Reading Skills 4A or Lexico Articulation have ads?

Neither Reading Skills 4A nor Lexico Articulation shows ads.

### Which is updated more often, Reading Skills 4A or Lexico Articulation?

Reading Skills 4A ships an update every 17 months, and Lexico Articulation every 23 months. Most recently, Reading Skills 4A was updated on November 6, 2026 and Lexico Articulation on November 6, 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.*