STAC Unlimited vs MSPT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STAC Unlimited
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.
- Automated cognitive and linguistic assessment
- Self-administered testing
- Eliminates examiner bias
- Immediate, detailed reports
- Quantitative and qualitative data
- Emailable reports to clinicians
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The Standardized Touchscreen Assessment of Cognition (STAC) is an automated screening tool that allows therapists and other health-care providers to obtain cursory information about an individual’s cognitive function. The STAC assesses cognitive and linguistic functions and enables the examiner to receive both quantitative and qualitative information about a person's cognitive abilities. The STAC is a self-administered, automated assessment making the administration consistent from session to session eliminating examiner bias with serial administrations of the test. The scoring is automated, however qualitative information from each patient is determined based on time elapsed during timed subtests, pattern of responses and ability to process sub-test instructions. A full report is immediately accessible following the test administration, and can be emailed directly to the clinician. Ranked scores are provided in the report based on preliminary normative data collection. STAC is a clinical assessment tool, to be used by licensed healthcare professionals.
MSPT
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The Multiple Sclerosis Performance Test (MSPT) is an iPad®-based assessment tool designed to objectively quantify major motor, visual, and cognitive function for individuals with Multiple Sclerosis (MS). The MSPT App is available to healthcare and research institutions involved in clinical research related to the care of individuals with Multiple Sclerosis. The MSPT is based on the Multiple Sclerosis Functional Composite (MSFC) assessment and may include: - MyHealth, a structured patient history questionnaire - Neurological Quality of Life (Neuro-QoL) questionnaire - Processing Speed Test - Visual Memory Test - Manual Dexterity Test - Walking Speed Test The MSPT App records, stores, and displays patient data generated from the assessment modules and compares it to normative data. The MSPT is intended for use by healthcare professionals in a clinical setting and in a manner consistent with clinical judgment. It automates several tests routinely administered to MS patients. The MSPT does not provide any recommendations or conclusions related to diagnosis or treatment. Results are provided on an informational basis only.
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | STAC Unlimited | MSPT |
|---|---|---|
| Price | $129.99 | Free — better |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPad |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 509 MB |
| Age rating | 4+ | 17+ |
| Developer | Cognitive Innovations LLC | Qr8 Health Inc. |
In-app purchases
STAC Unlimited
No in-app purchases
MSPT
No in-app purchases









