# Preclarus vs BLISSconneCTD

Preclarus and BLISSconneCTD 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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Preclarus ships an update every 11 months, BLISSconneCTD every 10 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Preclarus | BLISSconneCTD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/preclarus/id1402627522/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 10 months** |
| Monetization | Free | — |
| Size | 27 MB | 101 MB |
| Requires iOS | **13** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pharmaceutical Product Development, LLC](https://appshunter.io/developer/1402627521) | [Medable, Inc.](https://appshunter.io/developer/660544651) |

## What reviewers say

### Preclarus

[App page](https://appshunter.io/ios/app/preclarus/id1402627522)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### BLISSconneCTD

[App page](https://appshunter.io/ios/app/blissconnectd-ole/id6478549443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Preclarus free?

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

### Is BLISSconneCTD free?

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

### Do Preclarus or BLISSconneCTD have ads?

Neither Preclarus nor BLISSconneCTD shows ads.

### Which is updated more often, Preclarus or BLISSconneCTD?

Preclarus ships an update every 11 months, and BLISSconneCTD every 10 months. Most recently, Preclarus was updated on October 13, 2026 and BLISSconneCTD on October 12, 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.*