# Thrombosis vs CALIPER App

The clearest difference is rating: CALIPER App at 5.0 against Thrombosis's 4.0. CALIPER App also leads on review sentiment (100% vs 75%). Thrombosis's advantage is update cadence (every 5 months vs every 16 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CALIPER App holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 75% of Thrombosis's written reviews are positive against 100% of CALIPER App's.

Thrombosis ships an update every 5 months, CALIPER App every 16 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Thrombosis | CALIPER App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/thrombosis/id728181432/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caliper-app/id849920476/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 16 months |
| Monetization | Free | Free |
| Size | 36 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Thrombosis Canada](https://appshunter.io/developer/1098720492) | [The Hospital for Sick Children](https://appshunter.io/developer/444728983) |

## What reviewers say

### Thrombosis

[App page](https://appshunter.io/ios/app/thrombosis/id728181432)

Provides healthcare professionals with up-to-date clinical tools and practice guidelines for managing thrombosis. Access interactive diagnostic aids, comprehensive treatment guides, and patient education materials.

**Highlights:** Interactive clinical tools, Comprehensive clinical guides, Patient education resources, User-friendly interface, Regular updates, Offline access

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

**In-app purchases:** none


### CALIPER App

[App page](https://appshunter.io/ios/app/caliper-app/id849920476)

This app helps healthcare professionals and parents compare a child's lab test results against a comprehensive, up-to-date database of normal values. It simplifies the assessment of pediatric laboratory data, aiding in the identification of potential health concerns and treatment adjustments.

**Highlights:** Pediatric lab test comparison, Up-to-date reference value database, Supports over 100 routine tests, User-friendly interface, Portable on-the-go tool, Validated and published data

**In-app purchases:** none


## Frequently asked questions

### Is Thrombosis free?

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

### Is CALIPER App free?

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

### Which has better reviews, Thrombosis or CALIPER App?

CALIPER App is rated higher. Thrombosis averages 4.0 out of 5 from 3 ratings, while CALIPER App averages 5.0 from 1 ratings.

### Do Thrombosis or CALIPER App have ads?

Neither Thrombosis nor CALIPER App shows ads.

### Which is updated more often, Thrombosis or CALIPER App?

Thrombosis ships an update every 5 months, and CALIPER App every 16 months. Most recently, Thrombosis was updated on September 21, 2026 and CALIPER App on September 10, 2026.

---

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