# BCT Taxonomy vs ESVS Clinical Guidelines

The clearest difference is update cadence: ESVS Clinical Guidelines at every 12 months against BCT Taxonomy's every 74 months. ESVS Clinical Guidelines also leads on ratings volume (52 vs 2). BCT Taxonomy's advantage is iOS requirement (11.0 vs 13.0). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for BCT Taxonomy against 4.9 for ESVS Clinical Guidelines. That said, the two scores are not equally well evidenced: ESVS Clinical Guidelines has 52 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

BCT Taxonomy ships an update every 74 months, ESVS Clinical Guidelines every 12 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | BCT Taxonomy | ESVS Clinical Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bct-taxonomy/id871193535/reviews)** | [4.9 (52 ratings)](https://appshunter.io/ios/app/esvs-clinical-guidelines/id1436813825/reviews) |
| Number of ratings | 2 | **52** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 12 months** |
| Monetization | Free | Free |
| Size | 10 MB | 268 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [23 Ltd](https://appshunter.io/developer/577767595) | [European Society for Vascular Surgery](https://appshunter.io/developer/1277688604) |

## What reviewers say

### BCT Taxonomy

[App page](https://appshunter.io/ios/app/bct-taxonomy/id871193535)

This app provides a searchable database of 93 behavior change techniques, organized into 16 groups. It's a valuable resource for designing, reporting, or evaluating interventions aimed at modifying behavior.

**Highlights:** Full BCTTv1 access, Quick search by label or grouping, View all BCTs, Definitions and examples, Organized into 16 groupings

**Features:** Vision Pro support

**In-app purchases:** none


### ESVS Clinical Guidelines

[App page](https://appshunter.io/ios/app/esvs-clinical-guidelines/id1436813825)

Access comprehensive vascular surgery clinical practice guidelines for daily use. This app provides recommendations for diagnosis and treatment, complete with evidence, interactive tools, and offline functionality.

**Highlights:** Clinical practice guidelines, Diagnosis and treatment recommendations, Interactive algorithms, Calculators and scores, Offline access, Search and bookmarking, Note-taking

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

**In-app purchases:** none


## Frequently asked questions

### Is BCT Taxonomy free?

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

### Is ESVS Clinical Guidelines free?

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

### Which has better reviews, BCT Taxonomy or ESVS Clinical Guidelines?

BCT Taxonomy is rated higher. BCT Taxonomy averages 5.0 out of 5 from 2 ratings, while ESVS Clinical Guidelines averages 4.9 from 52 ratings.

### Do BCT Taxonomy or ESVS Clinical Guidelines have ads?

Neither BCT Taxonomy nor ESVS Clinical Guidelines shows ads.

### Which is updated more often, BCT Taxonomy or ESVS Clinical Guidelines?

BCT Taxonomy ships an update every 74 months, and ESVS Clinical Guidelines every 12 months. Most recently, BCT Taxonomy was updated on November 1, 2026 and ESVS Clinical Guidelines on November 2, 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.*