# EQD Calculator vs RO Toolbox

EQD Calculator and RO Toolbox both sit at 4.4 stars, but that hides the real split: 75% of EQD Calculator's written reviews are positive against 0% of RO Toolbox's. EQD Calculator also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (8.0 vs 15.6). On price, rating, ratings volume 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 — 4.4 for EQD Calculator against 4.5 for RO Toolbox. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews are what separate them: 75% of EQD Calculator's written reviews are positive against 0% of RO Toolbox's.

EQD Calculator ships an update every 3 weeks, RO Toolbox every 3 months. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EQD Calculator | RO Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/eqd-calculator/id898546583/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/ro-toolbox/id968361326/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 15 MB | 82 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hiroyuki KATOH](https://appshunter.io/developer/898546586) | [Radiation Oncology Institute](https://appshunter.io/developer/968361325) |

## What reviewers say

### EQD Calculator

[App page](https://appshunter.io/ios/app/eqd-calculator/id898546583)

This app assists radiation oncology professionals in calculating Biologically Effective Dose (BED) and Equivalent Dose (EQD) for radiotherapy. It offers quick and easy results, allowing for adjustments to treatment schedules and estimation of treatment effects.

**Highlights:** Calculate BED and EQD, Adjust radiotherapy schedules, Estimate treatment effects, View alpha/beta ratio and tolerance dose tables, Organize with URL scheme

**Features:** macOS Compatibility

**In-app purchases:** none


### RO Toolbox

[App page](https://appshunter.io/ios/app/ro-toolbox/id968361326)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EQD Calculator free?

EQD 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, EQD Calculator or RO Toolbox?

RO Toolbox is rated higher. EQD Calculator averages 4.4 out of 5 from 7 ratings, while RO Toolbox averages 4.5 from 4 ratings.

### Do EQD Calculator or RO Toolbox have ads?

Neither EQD Calculator nor RO Toolbox shows ads.

### Which is updated more often, EQD Calculator or RO Toolbox?

EQD Calculator ships an update every 3 weeks, and RO Toolbox every 3 months. Most recently, EQD Calculator was updated on October 2, 2026 and RO Toolbox on October 8, 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.*