# Inference Pics Lite vs Speech Therapy 4

The clearest difference is in-app purchases: Inference Pics Lite at none against Speech Therapy 4's 1. Speech Therapy 4's advantage is update cadence (every 2 months vs every 29 months) and iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Speech Therapy 4 sells 1 one-off in-app purchase. Inference Pics Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.3 for Inference Pics Lite against 3.4 for Speech Therapy 4. Both are backed by a comparable volume of ratings — 3 and 8 respectively.

Inference Pics Lite ships an update every 29 months, Speech Therapy 4 every 2 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Inference Pics Lite | Speech Therapy 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/inference-pics-lite/id1317614824/reviews) | **[3.4 (8 ratings)](https://appshunter.io/ios/app/speech-therapy-4-articulation/id6444134003/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 99 MB | 170 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aptus Speech and Language Therapy Limited](https://appshunter.io/developer/1482673468) | [ImagiRation LLC](https://appshunter.io/developer/921324034) |

## What reviewers say

### Inference Pics Lite

[App page](https://appshunter.io/ios/app/inference-pics-lite/id1317614824)

This app helps children and young adults develop social inferencing skills. It uses real-life photos and interactive questions to teach users how to understand situations, emotions, and thoughts based on contextual clues. Designed for use with a parent or speech therapist.

**Highlights:** Social inferencing skill development, Over 300 real-life photos, Interactive questions, Choice to show/hide answers, Results tracking and email, No Wi-Fi needed

**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 Inference Pics Lite free?

Inference Pics Lite is free to download, 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, Inference Pics Lite or Speech Therapy 4?

Speech Therapy 4 is rated higher. Inference Pics Lite averages 3.3 out of 5 from 3 ratings, while Speech Therapy 4 averages 3.4 from 8 ratings.

### Do Inference Pics Lite or Speech Therapy 4 have ads?

Neither Inference Pics Lite nor Speech Therapy 4 shows ads.

### Which is updated more often, Inference Pics Lite or Speech Therapy 4?

Inference Pics Lite ships an update every 29 months, and Speech Therapy 4 every 2 months. Most recently, Inference Pics Lite was updated on October 29, 2026 and Speech Therapy 4 on November 3, 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.*