# Preclarus vs AZ Adaura2

The clearest difference is update cadence: AZ Adaura2 at fortnightly against Preclarus's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

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, AZ Adaura2 fortnightly. Both last shipped on October 13, 2026.

## The numbers

| Metric | Preclarus | AZ Adaura2 |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 27 MB | 79 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


### AZ Adaura2

[App page](https://appshunter.io/ios/app/az-adaura2/id1594364035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Preclarus free?

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

### Is AZ Adaura2 free?

AZ Adaura2 is free to download, with no in-app purchases.

### Do Preclarus or AZ Adaura2 have ads?

Neither Preclarus nor AZ Adaura2 shows ads.

### Which is updated more often, Preclarus or AZ Adaura2?

Preclarus ships an update every 11 months, and AZ Adaura2 fortnightly. Most recently, Preclarus was updated on October 13, 2026 and AZ Adaura2 on October 13, 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.*