# RadOnc Reference vs RO Toolbox

RadOnc Reference and RO Toolbox both sit at 4.7 stars, but that hides the real split: 80% of RadOnc Reference's written reviews are positive against 0% of RO Toolbox's. RadOnc Reference also leads on ratings volume (45 vs 4) and iOS requirement (6.0 vs 15.6). On price, rating, update cadence 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.

RadOnc Reference holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: RadOnc Reference has 45 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 80% of RadOnc Reference's written reviews are positive against 0% of RO Toolbox's.

RadOnc Reference ships an update every 2 months, RO Toolbox every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RadOnc Reference | RO Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (45 ratings)](https://appshunter.io/ios/app/radonc-reference/id563419791/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/ro-toolbox/id968361326/reviews) |
| Number of ratings | **45** | 4 |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 6 MB | 82 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Pretesh Patel](https://appshunter.io/developer/563419794) | [Radiation Oncology Institute](https://appshunter.io/developer/968361325) |

## What reviewers say

### RadOnc Reference

[App page](https://appshunter.io/ios/app/radonc-reference/id563419791)

A comprehensive iPhone reference tool for Radiation Oncologists, offering quick access to essential clinical information. It includes cancer staging, contouring atlases, DVH constraints, calculators, medications, and ICD-9 codes.

**Highlights:** Cancer Staging, Contouring Atlases, DVH Normal Tissue Constraints, Clinical Calculators, Prescribed Medications, Oncology ICD-9 Codes

**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 RadOnc Reference free?

RadOnc Reference 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, RadOnc Reference or RO Toolbox?

RadOnc Reference is rated higher. RadOnc Reference averages 4.7 out of 5 from 45 ratings, while RO Toolbox averages 4.5 from 4 ratings.

### Do RadOnc Reference or RO Toolbox have ads?

Neither RadOnc Reference nor RO Toolbox shows ads.

### Which is updated more often, RadOnc Reference or RO Toolbox?

RadOnc Reference ships an update every 2 months, and RO Toolbox every 3 months. Most recently, RadOnc Reference was updated on October 7, 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.*