# STAC Unlimited vs MSPT

The clearest difference is price: MSPT at Free against STAC Unlimited's $129.99. MSPT also leads on update cadence (every 2 months vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

MSPT is free to download; STAC Unlimited costs $129.99 up front. Neither carries in-app purchases, so what you see is what you pay.

STAC Unlimited ships an update every 7 months, MSPT every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | STAC Unlimited | MSPT |
| --- | --- | --- |
| Price | $129.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 36 MB | 509 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Cognitive Innovations LLC](https://appshunter.io/developer/788770952) | [Qr8 Health Inc.](https://appshunter.io/developer/1231169399) |

## What reviewers say

### STAC Unlimited

[App page](https://appshunter.io/ios/app/stac-unlimited/id811304258)

This tool helps healthcare providers quickly assess cognitive and linguistic functions. It offers automated, consistent testing and immediate, detailed reports for clinicians. The assessment provides quantitative and qualitative insights into an individual's cognitive abilities.

**Highlights:** Automated cognitive and linguistic assessment, Self-administered testing, Eliminates examiner bias, Immediate, detailed reports, Quantitative and qualitative data, Emailable reports to clinicians

**Features:** macOS Compatibility

**In-app purchases:** none


### MSPT

[App page](https://appshunter.io/ios/app/mspt/id1543930951)

**In-app purchases:** none


## Frequently asked questions

### Is STAC Unlimited free?

STAC Unlimited costs $129.99, with no in-app purchases.

### Is MSPT free?

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

### Do STAC Unlimited or MSPT have ads?

Neither STAC Unlimited nor MSPT shows ads.

### Which is updated more often, STAC Unlimited or MSPT?

STAC Unlimited ships an update every 7 months, and MSPT every 2 months. Most recently, STAC Unlimited was updated on November 1, 2026 and MSPT 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.*