# VTE Calc vs EHA Guidelines

The clearest difference is in-app purchases: EHA Guidelines at none against VTE Calc's 1. EHA Guidelines also leads on rating (5.0 vs 4.8). VTE Calc's advantage is update cadence (every 2 days vs every 23 months) and iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. VTE Calc sells 1 one-off in-app purchase. EHA Guidelines asks for nothing beyond the download.

EHA Guidelines holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 8 respectively.

VTE Calc ships an update every 2 days, EHA Guidelines every 23 months. The most recent releases landed on August 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | VTE Calc | EHA Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/vte-calc/id1335332895/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/eha-guidelines/id6444253462/reviews)** |
| Number of ratings | 4 | **8** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 23 months |
| Monetization | Free | Free |
| Size | 20 MB | 137 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Lindum Medical Ltd](https://appshunter.io/developer/1092857686) | [European Hematology Association](https://appshunter.io/developer/1345472568) |

## What reviewers say

### VTE Calc

[App page](https://appshunter.io/ios/app/vte-calc/id1335332895)

This medical app provides quick access to common scoring systems for calculating the risk of deep venous thrombosis (DVT) or pulmonary embolism (PE). It includes Wells' scores for DVT and PE, the PERC score, and a built-in creatinine clearance calculator for administering low molecular weight heparins.

**Highlights:** Wells' score for DVT, Wells' score for PE, PERC score, Creatinine clearance calculator, Risk assessment tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VTE Calc - remove advertising | $0.99 | one-time |


### EHA Guidelines

[App page](https://appshunter.io/ios/app/eha-guidelines/id6444253462)

Access comprehensive hematology clinical practice guidelines, interactive tools, and diagnostic algorithms. This free service offers navigation through full-text guidelines, with interactive versions and PDF resources available. Users can add notes, bookmark pages, and share content for clinical reference.

**Highlights:** Interactive guidelines, Full-text guidelines, Diagnostic algorithms, Interactive tools, Add notes and bookmarks, Print and share content

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VTE Calc free?

VTE Calc is free to download, with in-app purchases available.

### Is EHA Guidelines free?

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

### Which has better reviews, VTE Calc or EHA Guidelines?

EHA Guidelines is rated higher. VTE Calc averages 4.8 out of 5 from 4 ratings, while EHA Guidelines averages 5.0 from 8 ratings.

### Do VTE Calc or EHA Guidelines have ads?

Neither VTE Calc nor EHA Guidelines shows ads.

### Which is updated more often, VTE Calc or EHA Guidelines?

VTE Calc ships an update every 2 days, and EHA Guidelines every 23 months. Most recently, VTE Calc was updated on August 15, 2026 and EHA Guidelines on June 1, 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.*