# BED Calculator vs RadOnc Reference

The clearest difference is update cadence: RadOnc Reference at every 2 months against BED Calculator's every 41 months. RadOnc Reference also leads on ratings volume (45 vs 3) and iOS requirement (6.0 vs 16.6). BED Calculator's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 80%). 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.

BED Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RadOnc Reference has 45 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of BED Calculator's written reviews are positive against 80% of RadOnc Reference's.

BED Calculator ships an update every 41 months, RadOnc Reference every 2 months. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BED Calculator | RadOnc Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bed-calculator-radiotherapy/id397088240/reviews)** | [4.7 (45 ratings)](https://appshunter.io/ios/app/radonc-reference/id563419791/reviews) |
| Number of ratings | 3 | **45** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 4 MB | 6 MB |
| Requires iOS | 16.6 | **6.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [MARGINAL GAINS INC.](https://appshunter.io/developer/1790407458) | [Pretesh Patel](https://appshunter.io/developer/563419794) |

## What reviewers say

### BED Calculator

[App page](https://appshunter.io/ios/app/bed-calculator-radiotherapy/id397088240)

This tool helps radiation oncology professionals calculate Biological Effective Dose (BED) and Equivalent Dose in 2 Gy fractions (EQD2) using the Linear-Quadratic model. It offers a streamlined interface for rapid dose calculations, including cumulative dose summation and fractionation conversion, and is now available on Apple Watch.

**Highlights:** Biological Effective Dose (BED) calculation, Equivalent Dose in 2 Gy fractions (EQD2) calculation, Linear-Quadratic (LQ) model, Cumulative dose summation, Fractionation conversion, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### RadOnc Reference

[App page](https://appshunter.io/ios/app/radonc-reference/id563419791)

A comprehensive iPhone reference tool for Radiation Oncologists, offering quick access to essential clinical information. It includes cancer staging, contouring atlases, DVH constraints, calculators, medications, and ICD-9 codes.

**Highlights:** Cancer Staging, Contouring Atlases, DVH Normal Tissue Constraints, Clinical Calculators, Prescribed Medications, Oncology ICD-9 Codes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BED Calculator free?

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

### Is RadOnc Reference free?

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

### Which has better reviews, BED Calculator or RadOnc Reference?

BED Calculator is rated higher. BED Calculator averages 5.0 out of 5 from 3 ratings, while RadOnc Reference averages 4.7 from 45 ratings.

### Do BED Calculator or RadOnc Reference have ads?

Neither BED Calculator nor RadOnc Reference shows ads.

### Which is updated more often, BED Calculator or RadOnc Reference?

BED Calculator ships an update every 41 months, and RadOnc Reference every 2 months. Most recently, BED Calculator was updated on September 27, 2026 and RadOnc Reference on October 11, 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.*