# Plazma vs Austin Assessment Work

The clearest difference is review sentiment: Austin Assessment Work at 100% against Plazma's 25%. Austin Assessment Work also leads on update cadence (monthly vs every 5 months). Plazma's advantage is iOS requirement (11.4 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Plazma ships an update every 5 months, Austin Assessment Work monthly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plazma | Austin Assessment Work |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/plazma/id944180792/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | Free |
| Size | 46 MB | 95 MB |
| Requires iOS | **11.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensory App House Ltd](https://appshunter.io/developer/1361994084) | [The Austin McDowell Foundation](https://appshunter.io/developer/1690279527) |

## What reviewers say

### Plazma

[App page](https://appshunter.io/ios/app/plazma/id944180792)

This visually stimulating app offers a simple, interactive experience designed for individuals with special or complex needs, including autism. It provides a range of effects that can be changed by tapping buttons or using assistive technology switches.

**Highlights:** Visually stimulating effects, Switch accessible control, Interactive button taps, Suitable for all ages, No ads or in-app purchases

**Features:** Vision Pro support

**In-app purchases:** none


### Austin Assessment Work

[App page](https://appshunter.io/ios/app/austin-assessment-work/id6449723694)

This app uses a fun card-matching game to screen children for cerebral visual impairment (CVI). It compares performance to age-based norms and provides downloadable reports for professionals. It is a screening tool, not a diagnostic one.

**Highlights:** Card-matching game for CVI screening, Compares performance to age norms, Validated on over 900 children, Email or print results, Online dashboard for data viewing, Download data as .csv

**In-app purchases:** none


## Frequently asked questions

### Is Plazma free?

Plazma is free to download, with no in-app purchases.

### Is Austin Assessment Work free?

Austin Assessment Work is free to download, with no in-app purchases.

### Do Plazma or Austin Assessment Work have ads?

Neither Plazma nor Austin Assessment Work shows ads.

### Which is updated more often, Plazma or Austin Assessment Work?

Plazma ships an update every 5 months, and Austin Assessment Work monthly. Most recently, Plazma was updated on October 14, 2026 and Austin Assessment Work on October 24, 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.*