Comparison

BED Calculator vs RO Toolbox

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

RO Toolbox

A point-of-care resource for healthcare professionals, offering frequently accessed references for radiation therapy delivery. It includes dose constraints, calculators, clinical practice guidelines, and staging information to support evidence-based practice.

Highlights
  • Dose constraints
  • Calculators
  • Clinical practice guidelines
  • Staging information
  • Oncology resources
  • Evidence-based practice support
Features
Read full description

The RadOnc Toolbox is a resource for health care professionals that is designed to support evidence-based practice. This point-of-care tool compiles frequently accessed references related to the delivery of radiation therapy, including dose constraints, calculators, clinical practice guidelines, staging, and other oncology resources.    The RadOnc Toolbox was created by Malolan Rajagopalan, MD, MBA, who was Principal Investigator of a grant from the ASTRO Foundation, then known as the Radiation Oncology Institute (ROI), that aimed to develop a resource to manage acute and late radiation toxicity. The Foundation assumed responsibility for the RadOnc Toolbox and released the first version in 2016. Since then, the Foundation has continued to add resources and enhance the content.   The redesigned RadOnc Toolbox released by the Foundation in 2023 is produced in collaboration with Red Canvas, LLC.

Screenshots

BED Calculator4 screens
RO Toolbox4 screens

Verdict

The call

The clearest difference is review sentiment: BED Calculator at 100% against RO Toolbox's 0%. BED Calculator also leads on rating (5.0 vs 4.5). RO Toolbox's advantage is update cadence (every 3 months vs every 41 months). On price, ratings volume, ads and in-app purchases 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 4.5. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 100% of BED Calculator's written reviews are positive against 0% of RO Toolbox's.

UpkeepUpdate frequency

BED Calculator ships an update every 41 months, RO Toolbox every 3 months. The most recent releases landed on September 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
BED Calculator versus RO Toolbox: the parameters behind the verdict, then further details
ParameterBED CalculatorRO Toolbox
PriceFreeFree
Rating5.0 (3 ratings) — better4.5 (4 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings34 — better
Update frequencyEvery 41 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size4 MB82 MB
Age rating4+17+
DeveloperMARGINAL GAINS INC.Radiation Oncology Institute

Customer experience

BED Calculator

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

RO Toolbox

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

BED Calculator

No in-app purchases

None

RO Toolbox

No in-app purchases

Questions

Is BED Calculator free?
BED Calculator is free to download, with no in-app purchases.
Is RO Toolbox free?
RO Toolbox is free to download, with no in-app purchases.
Which has better reviews, BED Calculator or RO Toolbox?
BED Calculator is rated higher. BED Calculator averages 5.0 out of 5 from 3 ratings, while RO Toolbox averages 4.5 from 4 ratings.
Do BED Calculator or RO Toolbox have ads?
Neither BED Calculator nor RO Toolbox shows ads.
Which is updated more often, BED Calculator or RO Toolbox?
BED Calculator ships an update every 41 months, and RO Toolbox every 3 months. Most recently, BED Calculator was updated on September 27, 2026 and RO Toolbox on October 24, 2026.

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