# Preclarus vs M22

Preclarus and M22 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, M22 every 6 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Preclarus | M22 |
| --- | --- | --- |
| 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 6 months** |
| Monetization | Free | — |
| Size | 27 MB | 100 MB |
| Requires iOS | **13** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| 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


### M22

[App page](https://appshunter.io/ios/app/m22-003-patient/id6467970481)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Preclarus free?

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

### Is M22 free?

M22 is free to download, with no in-app purchases.

### Do Preclarus or M22 have ads?

Neither Preclarus nor M22 shows ads.

### Which is updated more often, Preclarus or M22?

Preclarus ships an update every 11 months, and M22 every 6 months. Most recently, Preclarus was updated on November 2, 2026 and M22 on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*