QPS Assay Finder vs Cardinal Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QPS Assay Finder
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The global QPS Bioanalytical labs have been developing and validating bioanalytical assays for 30 years. We have more than 800 small molecule, large molecule, genomic and generic assays available. This app will help you to navigate available assays and check to see if we have the assay you are looking for. If you do not see what you are looking for, please visit our website (www.qps.com) and complete a contact form.
Cardinal Study
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This app is intended for use by participants in the Cardinal COPD study and requires an invitation and activation code from the study site to register. A Multi-center, Randomized, Double-blind, Placebo-controlled Clinical Trial Comparing the Safety and Efficacy of Two Different Oral Vapendavir (VPV) Doses with Placebo as Treatment for Rhinovirus (RV) in Participants with Chronic Obstructive Pulmonary Disease (COPD). This study has been reviewed and approved by the appropriate regulatory body, e.g. Institutional Review Board (IRB) or Independent Ethics Committee (IEC). Key App Features: - Patient Onboarding – complete study app registration and education - Activities – complete scheduled or on-demand study tasks and assessments - Dashboard – review overall progress in the study and current activities - Resources – view study information in the Learn section of the app - Profile – manage account details and app settings - Notifications – receive in-app reminders - Telehealth – conduct scheduled virtual visits with your study site About THREAD: THREAD’s® purpose is to leverage its clinical research platform to enable studies for everyone, everywhere. The company’s uniquely combined clinical research technology and consulting services help life science organizations to design, operate, and scale next-generation research studies and electronic clinical outcome assessments (eCOA) programs for participants, sites, and study teams. Through its comprehensive platform and scientific expertise, THREAD empowers studies to be accessible, efficient, and centered on the patient.
Screenshots
Verdict
The clearest difference is update cadence: Cardinal Study at every 3 months against QPS Assay Finder's every 41 months. QPS Assay Finder's advantage is iOS requirement (13.0 vs 15.5). 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.
QPS Assay Finder ships an update every 41 months, Cardinal Study every 3 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | QPS Assay Finder | Cardinal Study |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 41 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 3 MB | 72 MB |
| Age rating | 17+ | 17+ |
| Developer | QPS, LLC | Hello Thread |
In-app purchases
QPS Assay Finder
No in-app purchases
Cardinal Study
No in-app purchases
Questions
Is QPS Assay Finder free?
Is Cardinal Study free?
Do QPS Assay Finder or Cardinal Study have ads?
Which is updated more often, QPS Assay Finder or Cardinal Study?
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