# Clusters Complex Lite vs Speech Therapy 6

The clearest difference is rating: Clusters Complex Lite at 5.0 against Speech Therapy 6's 4.0. Clusters Complex Lite also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 6 weeks). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Speech Therapy 6 sells 1 one-off in-app purchase. Clusters Complex Lite asks for nothing beyond the download.

Clusters Complex Lite holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Clusters Complex Lite ships an update fortnightly, Speech Therapy 6 every 6 weeks. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Clusters Complex Lite | Speech Therapy 6 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/clusters-complex-lite/id880776034/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/speech-therapy-6-sentences/id6547832695/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 267 MB | 192 MB |
| Requires iOS | **10.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SLPath LLC](https://appshunter.io/developer/880431285) | [ImagiRation LLC](https://appshunter.io/developer/921324034) |

## What reviewers say

### Clusters Complex Lite

[App page](https://appshunter.io/ios/app/clusters-complex-lite/id880776034)

This app helps children practice complex consonant clusters in words, phrases, and sentences. It uses colorful photos, videos, and motivating themes to engage young learners. Speech-language pathologists can monitor progress with data collection and audio recordings.

**Highlights:** Complex consonant cluster practice, Words, phrases, and sentences, Colorful photos and videos, Motivating themes, Randomization option, Progress monitoring, Audio recording and data collection

**Features:** macOS Compatibility

**In-app purchases:** none


### Speech Therapy 6

[App page](https://appshunter.io/ios/app/speech-therapy-6-sentences/id6547832695)

This app helps children practice forming complete sentences using video models and AI-powered feedback. It rewards improvements in articulation, encouraging consistent practice for better speech development.

**Highlights:** 100+ prerecorded video exercises, AI-powered similarity measurement, Proportional rewards for improvement, Voice-activated interactive learning, Scientifically proven video modeling

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speech Therapy 6 – Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Clusters Complex Lite free?

Clusters Complex Lite is free to download, with no in-app purchases.

### Is Speech Therapy 6 free?

Speech Therapy 6 is free to download, with in-app purchases available.

### Which has better reviews, Clusters Complex Lite or Speech Therapy 6?

Clusters Complex Lite is rated higher. Clusters Complex Lite averages 5.0 out of 5 from 2 ratings, while Speech Therapy 6 averages 4.0 from 2 ratings.

### Do Clusters Complex Lite or Speech Therapy 6 have ads?

Neither Clusters Complex Lite nor Speech Therapy 6 shows ads.

### Which is updated more often, Clusters Complex Lite or Speech Therapy 6?

Clusters Complex Lite ships an update fortnightly, and Speech Therapy 6 every 6 weeks. Most recently, Clusters Complex Lite was updated on October 3, 2026 and Speech Therapy 6 on October 15, 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.*