Speech Vitals vs Parabon CTX Study App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speech Vitals
This app collects and analyzes speech data for clinical research studies. It requires specific sign-in information provided by study sponsors for approved participants.
- Speech data collection
- Speech data analysis
- Clinical study participation
- Secure participant login
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Speech Vitals is a research app for collecting and analyzing speech in clinical studies. This is a closed, participant-only app. If you're a participant in an approved study, use the sign-in information provided by the study sponsor.
Parabon CTX Study App
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The CTX app was developed as part of a research study to explore the use of smartphones to monitor cognitive health. This study is designed to demonstrate the feasibility of using enjoyable game-like activities to monitor cognitive health over time. If successful, such mobile cognitive health monitoring could eventually serve as a useful diagnostic tool for clinicians.
Screenshots
Verdict
The clearest difference is update cadence: Parabon CTX Study App at every 3 weeks against Speech Vitals's every 2 months. Parabon CTX Study App also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Speech Vitals ships an update every 2 months, Parabon CTX Study App every 3 weeks. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.
| Parameter | Speech Vitals | Parabon CTX Study App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Linus Health, Inc. | Parabon NanoLabs, Inc. |
In-app purchases
Speech Vitals
No in-app purchases
Parabon CTX Study App
No in-app purchases
Questions
Is Speech Vitals free?
Is Parabon CTX Study App free?
Do Speech Vitals or Parabon CTX Study App have ads?
Which is updated more often, Speech Vitals or Parabon CTX Study App?
Other comparisons
