# Clusters Complex Pro vs Lexico Articulation Pro

The clearest difference is price: Clusters Complex Pro at $24.99 against Lexico Articulation Pro's $69.99. Clusters Complex Pro also leads on update cadence (every 10 days vs every 9 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Clusters Complex Pro costs $24.99 and Lexico Articulation Pro $69.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clusters Complex Pro ships an update every 10 days, Lexico Articulation Pro every 9 months. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Clusters Complex Pro | Lexico Articulation Pro |
| --- | --- | --- |
| Price | **$24.99** | $69.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clusters-complex-pro/id880431282/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 9 months |
| Monetization | Paid | — |
| Size | 472 MB | 168 MB |
| Requires iOS | 10.3 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SLPath LLC](https://appshunter.io/developer/880431285) | [Pappy GmbH](https://appshunter.io/developer/461368271) |

## What reviewers say

### Clusters Complex Pro

[App page](https://appshunter.io/ios/app/clusters-complex-pro/id880431282)

This app helps children practice complex consonant clusters in English words, phrases, and sentences. It offers engaging themes, randomization, and progress tracking for speech-language pathologists and young learners.

**Highlights:** Complex consonant cluster practice, 88 words, 440 phrases, 440 sentences, Over 30 themed categories, Randomization option, Progress monitoring and data collection, Audio recordings for review

**Features:** macOS Compatibility

**In-app purchases:** none


### Lexico Articulation Pro

[App page](https://appshunter.io/ios/app/lexico-articulation-pro/id1008135267)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clusters Complex Pro free?

Clusters Complex Pro costs $24.99, with no in-app purchases.

### Is Lexico Articulation Pro free?

Lexico Articulation Pro costs $69.99, with no in-app purchases.

### Do Clusters Complex Pro or Lexico Articulation Pro have ads?

Neither Clusters Complex Pro nor Lexico Articulation Pro shows ads.

### Which is updated more often, Clusters Complex Pro or Lexico Articulation Pro?

Clusters Complex Pro ships an update every 10 days, and Lexico Articulation Pro every 9 months. Most recently, Clusters Complex Pro was updated on September 26, 2026 and Lexico Articulation Pro on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*