# ESMO Interactive Guidelines vs BSA Calculator

The clearest difference is ads: ESMO Interactive Guidelines at none against BSA Calculator's shown. ESMO Interactive Guidelines also leads on ratings volume (150 vs 2) and rating (4.8 vs 4.5). On price, 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.

ESMO Interactive Guidelines holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: ESMO Interactive Guidelines has 150 ratings behind it against 2, so its average is the more settled of the two.

ESMO Interactive Guidelines ships an update every 6 months, BSA Calculator every 23 months. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ESMO Interactive Guidelines | BSA Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (150 ratings)](https://appshunter.io/ios/app/esmo-interactive-guidelines/id1037353712/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/bsa-calculator/id1337868410/reviews) |
| Number of ratings | **150** | 2 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 23 months |
| Monetization | **Free** | Ad-supported |
| Size | 195 MB | 6 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [European Society for Medical Oncology - ESMO](https://appshunter.io/developer/515544538) | [Yoshinori Horata](https://appshunter.io/developer/1224591575) |

## What reviewers say

### ESMO Interactive Guidelines

[App page](https://appshunter.io/ios/app/esmo-interactive-guidelines/id1037353712)

Access concise, practical treatment recommendations based on the latest scientific research. This app provides interactive tools, algorithms, and calculators to support healthcare professionals in decision-making and guideline navigation.

**Highlights:** Concise treatment recommendations, Interactive decision-making tools, Treatment algorithms and calculators, Keyword search functionality, Bookmarking and note-taking, News and push notifications

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

**In-app purchases:** none


### BSA Calculator

[App page](https://appshunter.io/ios/app/bsa-calculator/id1337868410)

Calculate Body Surface Area (BSA) using metric or imperial units. Offers multiple BSA equations for accurate medical calculations. Essential for healthcare professionals and researchers.

**Highlights:** Body Surface Area calculation, Metric and Imperial units, Multiple BSA equations, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ESMO Interactive Guidelines free?

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

### Is BSA Calculator free?

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

### Which has better reviews, ESMO Interactive Guidelines or BSA Calculator?

ESMO Interactive Guidelines is rated higher. ESMO Interactive Guidelines averages 4.8 out of 5 from 150 ratings, while BSA Calculator averages 4.5 from 2 ratings.

### Do ESMO Interactive Guidelines or BSA Calculator have ads?

BSA Calculator shows ads; ESMO Interactive Guidelines does not.

### Which is updated more often, ESMO Interactive Guidelines or BSA Calculator?

ESMO Interactive Guidelines ships an update every 6 months, and BSA Calculator every 23 months. Most recently, ESMO Interactive Guidelines was updated on October 15, 2026 and BSA Calculator on September 24, 2026.

---

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