Comparison

BED Calculator vs RadOnc Reference

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BED Calculator

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
Read full description

BED Calculator is a professional-grade tool for computing Biological Effective Dose (BED) and Equivalent Dose in 2 Gy fractions (EQD2) using the Linear-Quadratic (LQ) model. Developed for radiation oncologists, medical physicists, and radiation therapy technologists, it enables rapid and reliable dose calculations in an efficient, streamlined interface — now available on Apple Watch. Features Intuitive scroll-based input for swift BED and EQD2 calculation Cumulative dose summation across up to 3 separate treatment courses Fractionation conversion: calculate the number of fractions required to achieve an equivalent BED at a modified dose per fraction, and vice versa Apple Watch support for quick calculations Dark Mode support Disclaimer This application is intended for educational and academic reference purposes only. It is not intended for direct clinical decision-making. Any clinical application is undertaken solely at the user's own discretion and responsibility. The developer accepts no liability for any loss or damage arising from the use of this application.

About

RadOnc Reference

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
Read full description

Introducing the first comprehensive iPhone reference application for Radiation Oncologists and designed by a RadOnc. This light-weight app provides fast access to the following reference materials: - Cancer Staging - Contouring Atlases - DVH normal tissue contraints - Pertinent clinical calculators (eg. GBM RPA) - Commonly prescribed medications - Oncology ICD9 codes This project is intended to be a collaborative effort. Feedback and suggestions from the RadOnc community will directly inform new development efforts.

Screenshots

BED Calculator4 screens
RadOnc Reference4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
BED Calculator versus RadOnc Reference: the parameters behind the verdict, then further details
ParameterBED CalculatorRadOnc Reference
PriceFreeFree
Rating5.0 (3 ratings) — better4.7 (45 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings345 — better
Update frequencyEvery 41 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.66.0 — better
Further details — not scored
Size4 MB6 MB
Age rating4+12+
DeveloperMARGINAL GAINS INC.Pretesh Patel

Customer experience

BED Calculator

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RadOnc Reference

All ratings45 ratings
Positive93.3%
Neutral2.2%
Negative4.4%
Written reviews25 reviews
Positive80.0%
Neutral4.0%
Negative16.0%

In-app purchases

None

BED Calculator

No in-app purchases

None

RadOnc Reference

No in-app purchases

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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