# EQD2 Calculator

> Medical calculator for radiation dose, EQD2, and BED. (iPhone/iPad app by Jon Giambattista.)

- Source: https://appshunter.io/ios/app/eqd2-calculator/id1200344433 (this page in markdown: same URL + `.md`)
- Developer: [Jon Giambattista](https://appshunter.io/developer/983771622)
- Category: Medical, Utilities
- Price: Free (on sale, was $2.99)
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.0 · 17 MB
- Languages: American English
- Released: 2017-02-13
- Data updated: 2026-08-15
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/eqd2-calculator/id1200344433/reviews.md

## What is EQD2 Calculator?

Quickly calculate radiation dose in equivalent 2 Gy fractions and biological equivalent dose (BED). 

Calculator output shows EQD2 and BED based on multiple alpha beta ratios. This app includes a selectable list of alpha beta values of normal tissues and tumors. 

This app features a dose conversion mode in order to calculate a custom dose per fraction.

## Key features

- Calculate EQD2
- Calculate BED
- Selectable alpha beta ratios
- Dose conversion mode
- Custom dose per fraction calculation

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/eqd2-calculator/id1200344433/reviews.md

### 5/5 — Legends

*2020-08-05*

You guys are legends

### 5/5 — Amazingly easy, precise and useful

*2018-11-14*

The only one apps to have
Maybe a dictionary of a/b?

## Frequently asked questions about EQD2 Calculator

### What is EQD2 Calculator used for?

EQD2 Calculator is used to quickly calculate radiation dose in equivalent 2 Gy fractions and biological equivalent dose (BED). It helps in understanding the biological impact of different radiation fractionation schedules.

### Does EQD2 Calculator have ads?

No, EQD2 Calculator does not contain advertisements. It provides a clean and uninterrupted user experience for medical calculations.

### What alpha beta ratios are available in EQD2 Calculator?

The app includes a selectable list of alpha beta values for normal tissues and tumors, allowing users to tailor calculations to specific biological contexts.

### Can EQD2 Calculator calculate custom doses?

Yes, EQD2 Calculator features a dose conversion mode that allows users to calculate a custom dose per fraction, offering flexibility in treatment planning.

### What devices is EQD2 Calculator available on?

EQD2 Calculator is available on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.

### How often is EQD2 Calculator updated?

The latest version of EQD2 Calculator is 1.1, which was last updated on October 30, 2017. Future updates may be released to improve functionality or add new features.

### What is the age rating for EQD2 Calculator?

EQD2 Calculator has an age rating of 4+, indicating it is suitable for users of all ages. This is common for educational and utility applications.

### What is the user sentiment for EQD2 Calculator?

Based on the available data, EQD2 Calculator has a perfect rating of 5.0 stars from 2 ratings, suggesting a very positive user experience among its current users.

## Version history (last 4 releases)

### 1.1 — 2017-10-30

This update from Apple will improve the functionality of this app. No new features are included.

Support for iPhone X.

### 1.0.2 — 2017-03-30

Fixed an issue where decimal places we're not input correctly when using keyboards with decimal-comma notation.

Ex: 30.4 compared to 30,4

### 1.0.1 — 2017-03-01

Fixed an issue where EQD2/BED was not calculating correctly

### 1.0 — 2017-02-13

No release notes.

## Apps similar to EQD2 Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [北京凤凰智慧互联网医院医护版](https://appshunter.io/ios/app/id1599687920) | — | Free | Medical |
| [MDOTG QR Scanner](https://appshunter.io/ios/app/mdotg-qr-scanner/id1570111000) | — | Free | Medical |
| [Smartee Doctor](https://appshunter.io/ios/app/smartee-doctor/id1610978200) | — | Free | Medical |
| [Angelpaw](https://appshunter.io/ios/app/angelpaw/id1596162640) | 1.8 (5) | Free | Medical |
| [觅健医生版-互联网医院](https://appshunter.io/ios/app/id1591574440) | — | Free | Medical |
| [Med. Reminder](https://appshunter.io/ios/app/med-reminder/id1596855340) | — | $0.99 | Medical |

## More apps by Jon Giambattista

- [IIFYM Macro/Calorie Calculator](https://appshunter.io/ios/app/iifym-macrocalorie-calculator/id983771623)
- [Burn - Track your Exercise](https://appshunter.io/ios/app/burn-track-your-exercise/id1017151625)
- [CORAL: Prostate Cancer Risk and Survival](https://appshunter.io/ios/app/coral-prostate-cancer-risk-and-survival/id1137504631)
- [Worth - Hourly Wage Timer](https://appshunter.io/ios/app/worth-hourly-wage-timer/id1202689419)
- [CORAL Gyne Nomogram Calculator](https://appshunter.io/ios/app/coral-gyne-nomogram-calculator/id1212183345)

All apps by Jon Giambattista: https://appshunter.io/developer/983771622

## Related topics

[moftah z daoub](https://appshunter.io/ios/topics/moftah-z-daoub) · [radiation calculator](https://appshunter.io/ios/topics/radiation-calculator)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*