Preclarus vs CHONQUER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Preclarus
Manage clinical trials on the go with this mobile portal. Review test results, manage subject registration, track shipments, and order supplies. It offers full real-time data integration with the web version.
- Test results review with graphing
- Alert review and query resolution
- Subject registration
- Specimen accessioning
- Shipment and specimen tracking
- Supply ordering and inventory management
- Real-time web integration
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Use your existing Preclarus Investigator Site Portal account to manage your clinical trials on your mobile device. The Preclarus mobile application provides the following functionality: • Test results review including graphing and trending • Alert review and query resolution • Subject registration • Online specimen accessioning using Generated and Foreign Barcodes • Shipment/specimen tracking • Supply ordering and inventory management • Full integration of data with the web-based version in real time
CHONQUER
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This application allows patients in the CHONQUER clinical trial to adhere to a visit schedule and submit information. Regarding our usage of HealthKit API: We use Apple's ResearchKit library to allow clinicians and researchers to gather information from participants during in-person visits. We do not use any HealthKit functionality for this study, but removing the HealthKit APIs from Apple's ResearchKit library is impossible. For more information on the library, see https://developer.apple.com/researchkit/. If you have any questions about our usage of these APIs, the study design, consent processes, etc.-- please do not hesitate to call us using the contact info provided in the review submission
Screenshots
Verdict
Preclarus and CHONQUER are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 11 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.
| Parameter | Preclarus | CHONQUER |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 11 months | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13 — better | 14.0 |
| Further details — not scored | ||
| Size | 27 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Pharmaceutical Product Development, LLC | Medable, Inc. |
In-app purchases
Preclarus
No in-app purchases
CHONQUER
No in-app purchases
