# Spatial Stacker vs Speech Therapy 4

The clearest difference is price: Speech Therapy 4 at Free against Spatial Stacker's $0.29. Speech Therapy 4 also leads on ratings volume (7 vs 1) and iOS requirement (12.0 vs 14.0). Spatial Stacker's advantage is rating (5.0 vs 3.1) and in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Speech Therapy 4 is free to download; Spatial Stacker costs $0.29 up front. Speech Therapy 4 sells 1 one-off in-app purchase. Spatial Stacker asks for nothing beyond the download.

Spatial Stacker holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Speech Therapy 4 has 7 ratings behind it against 1, so its average is the more settled of the two.

Spatial Stacker ships an update every 3 months, Speech Therapy 4 every 2 months. The most recent releases landed on September 23, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Spatial Stacker | Speech Therapy 4 |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spatial-stacker/id1219531303/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/speech-therapy-4-articulation/id6444134003/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 170 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sean McNeil](https://appshunter.io/developer/884178100) | [ImagiRation LLC](https://appshunter.io/developer/921324034) |

## What reviewers say

### Spatial Stacker

[App page](https://appshunter.io/ios/app/spatial-stacker/id1219531303)

This educational app helps young children build crucial spatial reasoning skills. Players locate and stack various shapes to recreate target images, with increasing complexity across three difficulty levels.

**Highlights:** Shape identification, Shape stacking, Image matching, Three difficulty levels, Spatial awareness development

**Features:** macOS Compatibility

**In-app purchases:** none


### Speech Therapy 4

[App page](https://appshunter.io/ios/app/speech-therapy-4-articulation/id6444134003)

This app helps children practice saying complex words through interactive video exercises and AI-powered feedback. It uses scientifically proven video modeling to engage mirror neurons and rewards improvements with extended playtime.

**Highlights:** AI-powered pronunciation analysis, 1000+ prerecorded video exercises, Reward system for improved articulation, Voice-activated interactive learning, Scientifically proven video modeling, Progressive learning steps

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speech Therapy Step 4 Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Spatial Stacker free?

Spatial Stacker costs $0.29, with no in-app purchases.

### Is Speech Therapy 4 free?

Speech Therapy 4 is free to download, with in-app purchases available.

### Which has better reviews, Spatial Stacker or Speech Therapy 4?

Spatial Stacker is rated higher. Spatial Stacker averages 5.0 out of 5 from 1 ratings, while Speech Therapy 4 averages 3.1 from 7 ratings.

### Do Spatial Stacker or Speech Therapy 4 have ads?

Neither Spatial Stacker nor Speech Therapy 4 shows ads.

### Which is updated more often, Spatial Stacker or Speech Therapy 4?

Spatial Stacker ships an update every 3 months, and Speech Therapy 4 every 2 months. Most recently, Spatial Stacker was updated on September 23, 2026 and Speech Therapy 4 on September 2, 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.*