# EQD Calculator vs BED LQ Calc

The clearest difference is rating: BED LQ Calc at 5.0 against EQD Calculator's 4.4. BED LQ Calc also leads on update cadence (daily vs every 3 weeks) and review sentiment (100% vs 75%). EQD Calculator's advantage is ratings volume (7 vs 1) and iOS requirement (8.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BED LQ Calc holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: EQD Calculator has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of EQD Calculator's written reviews are positive against 100% of BED LQ Calc's.

EQD Calculator ships an update every 3 weeks, BED LQ Calc daily. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | EQD Calculator | BED LQ Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (7 ratings)](https://appshunter.io/ios/app/eqd-calculator/id898546583/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bed-lq-calc/id6749206758/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 15 MB | 1 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hiroyuki KATOH](https://appshunter.io/developer/898546586) | [Gorkem Gungor](https://appshunter.io/developer/1829280583) |

## 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


### BED LQ Calc

[App page](https://appshunter.io/ios/app/bed-lq-calc/id6749206758)

This app helps radiation therapy professionals perform complex radiobiological calculations using the Linear-Quadratic (LQ) model. It supports various fractionation schemes, BED, and EQD2 conversions for accurate treatment planning and dose optimization.

**Highlights:** LQ Model Calculations, BED & EQD2 Calculations, Multiple Treatment Courses, Flexible α/β Ratio Settings, Intuitive Clinical Interface, Precise Numerical Inputs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EQD Calculator free?

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

### Is BED LQ Calc free?

BED LQ Calc is free to download, with no in-app purchases.

### Which has better reviews, EQD Calculator or BED LQ Calc?

BED LQ Calc is rated higher. EQD Calculator averages 4.4 out of 5 from 7 ratings, while BED LQ Calc averages 5.0 from 1 ratings.

### Do EQD Calculator or BED LQ Calc have ads?

Neither EQD Calculator nor BED LQ Calc shows ads.

### Which is updated more often, EQD Calculator or BED LQ Calc?

EQD Calculator ships an update every 3 weeks, and BED LQ Calc daily. Most recently, EQD Calculator was updated on November 1, 2026 and BED LQ Calc on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*