# eLQ vs RO Toolbox

The clearest difference is review sentiment: eLQ at 67% against RO Toolbox's 0%. eLQ also leads on iOS requirement (6.0 vs 15.6). RO Toolbox's advantage is rating (4.5 vs 4.0) and update cadence (every 3 months vs every 14 months). 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.

RO Toolbox holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 67% of eLQ's written reviews are positive against 0% of RO Toolbox's, so the app with the better star average is not the one people write more warmly about.

eLQ ships an update every 14 months, RO Toolbox every 3 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | eLQ | RO Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/elq/id398906906/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/ro-toolbox/id968361326/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 12 MB | 80 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SFjRO](https://appshunter.io/developer/384465115) | [Radiation Oncology Institute](https://appshunter.io/developer/968361325) |

## What reviewers say

### eLQ

[App page](https://appshunter.io/ios/app/elq/id398906906)

This medical app calculates biological equivalent doses for radiation therapy using the linear-quadratic model. It allows users to select various organs and α/β ratios for precise calculations.

**Highlights:** Linear-quadratic model calculations, Selectable organs (spine, heart, lung, liver, skin), Adjustable α/β ratios, Biological equivalent dose computation

**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

**In-app purchases:** none


## Frequently asked questions

### Is eLQ free?

eLQ 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, eLQ or RO Toolbox?

RO Toolbox is rated higher. eLQ averages 4.0 out of 5 from 1 ratings, while RO Toolbox averages 4.5 from 4 ratings.

### Do eLQ or RO Toolbox have ads?

Neither eLQ nor RO Toolbox shows ads.

### Which is updated more often, eLQ or RO Toolbox?

eLQ ships an update every 14 months, and RO Toolbox every 3 months. Most recently, eLQ was updated on September 18, 2026 and RO Toolbox on June 1, 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.*