# EQD Calculator vs ARIA CORE

The clearest difference is rating: ARIA CORE at 5.0 against EQD Calculator's 4.4. EQD Calculator's advantage is update cadence (every 3 weeks vs every 8 months) and iOS requirement (8.0 vs 16). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

ARIA CORE holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

EQD Calculator ships an update every 3 weeks, ARIA CORE every 8 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | EQD Calculator | ARIA CORE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/eqd-calculator/id898546583/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/aria-core/id1418695100/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 15 MB | 41 MB |
| Requires iOS | **8.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hiroyuki KATOH](https://appshunter.io/developer/898546586) | [Varian Medical Systems, Inc.](https://appshunter.io/developer/489783050) |

## 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


### ARIA CORE

[App page](https://appshunter.io/ios/app/aria-core/id1418695100)

This mobile application provides healthcare professionals with essential features for managing oncology care on the go. It allows for personalized patient data access, streamlined clinical management, and flexible mobility, enabling timely decisions and efficient workflows from any location.

**Highlights:** Personalized patient data access, Streamlined clinical management, Appointment and task scheduling, Mobile document and note approvals, Oncology Information System access, Efficient workflow management

**In-app purchases:** none


## Frequently asked questions

### Is EQD Calculator free?

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

### Is ARIA CORE free?

ARIA CORE is free to download, with no in-app purchases.

### Which has better reviews, EQD Calculator or ARIA CORE?

ARIA CORE is rated higher. EQD Calculator averages 4.4 out of 5 from 7 ratings, while ARIA CORE averages 5.0 from 7 ratings.

### Do EQD Calculator or ARIA CORE have ads?

Neither EQD Calculator nor ARIA CORE shows ads.

### Which is updated more often, EQD Calculator or ARIA CORE?

EQD Calculator ships an update every 3 weeks, and ARIA CORE every 8 months. Most recently, EQD Calculator was updated on October 2, 2026 and ARIA CORE on October 6, 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.*