# RadOnc Reference

> Radiation oncology reference app with staging, atlases, calculators, and more. (iPhone/iPad app by Pretesh Patel.)

- Source: https://appshunter.io/ios/app/radonc-reference/id563419791 (this page in markdown: same URL + `.md`)
- Developer: [Pretesh Patel](https://appshunter.io/developer/563419794)
- Category: Medical, Education
- Price: Free
- Rating: 4.67/5 from 45 App Store ratings · 25 written reviews indexed
- Age rating: 12+
- Requires: iOS 6.0 · 6 MB
- Languages: English
- Released: 2012-09-28
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/radonc-reference/id563419791/reviews.md

## What is RadOnc Reference?

Introducing the first comprehensive iPhone reference application for Radiation Oncologists and designed by a RadOnc.  This light-weight app provides fast access to the following reference materials:

- Cancer Staging
- Contouring Atlases 
- DVH normal tissue contraints
- Pertinent clinical calculators (eg. GBM RPA)
- Commonly prescribed medications
- Oncology ICD9 codes

This project is intended to be a collaborative effort.  Feedback and suggestions from the RadOnc community will directly inform new development efforts.

## Key features

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

## Recent user reviews (10 of 25)

All indexed reviews: https://appshunter.io/ios/app/radonc-reference/id563419791/reviews.md

### 1/5 — Crashing

*2024-06-26*

Unfortunately this app crashes immediately and doesn’t work at all.

### 3/5 — iOS 17

*2024-01-28*

The app stops working when you upgrade to iOS 17. Shame

### 5/5 — Why it not work with IOS17

*2023-09-21*

Why it not work with IOS17

### 1/5 — Looks abandoned by developers

*2020-07-03*

This app UI looks like a pre-iOS 7 app and still has yet to be updated to support modern-sized iPhones that were introduced years ago.

### 4/5 — Best app, needs update

*2020-04-21*

I use this app religiously. Please update to AJCC 8th staging.

### 5/5 — Dr Bharat Jailwala

*2019-06-27*

It is excellent app and very helpful or rad Onc.

### 5/5 — Please update I use it daily!

*2018-02-22*

JNC VIII

### 5/5 — Update soon?

*2018-02-16*

Love the app!!!  Are you going to update it for AJCC8 staging?

### 5/5 — RadOnc Ref Review

*2017-07-31*

Useful app. Calculators are intuitive and provides a localized space for dose constraints.

### 5/5 — Great

*2016-10-28*

Great tool for residency

## Frequently asked questions about RadOnc Reference

### What is this app for?

This application serves as a comprehensive reference tool specifically designed for Radiation Oncologists. It provides fast access to essential clinical information needed in daily practice.

### What kind of reference materials are included?

The app includes cancer staging information, contouring atlases, DVH normal tissue constraints, pertinent clinical calculators, commonly prescribed medications, and oncology ICD-9 codes.

### Is this app free to use?

Yes, the application is available for free. There are no in-app purchases or advertisements mentioned.

### Who developed this app?

The app was designed by a Radiation Oncologist and is intended to be a collaborative effort with the RadOnc community, incorporating feedback for future development.

### What are some common use cases for this app?

Radiation Oncologists can use this app for quick lookups of cancer staging, to reference contouring atlases, to utilize clinical calculators like the GBM RPA, and to check prescribed medications or ICD-9 codes.

## Version history (last 5 releases)

### 1.60 — 2016-11-22

ICD-10 is now available.
PSA doubling time calculator fix.
Other minor bug fixes

### 1.51 — 2016-02-03

Bug fixes

### 1.5 — 2014-11-05

Updated UI for new versions of IOS and IPhone 6 family of devices.

DVH - Many new DVH constraints added with improved filtering available.

Calculators - New Bladder cancer calculator.  New BED calculator.

Atlas - 2 new atlases; updated H&N neck atlas and GYN normal anatomy atlas

### 1.45 — 2014-01-29

Added more contouring atlases
Added ability to send feedback and feature requests

### 1.4 — 2013-11-25

IOS 7 updates
Added Contouring Atlases

## Apps similar to RadOnc Reference

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Physicians Cancer Chemotherapy](https://appshunter.io/ios/app/physicians-cancer-chemotherapy/id1361675468) | 4.8 (233) | Free | Medical |
| [NCCN Guidelines®](https://appshunter.io/ios/app/nccn-guidelines/id775500217) | 3.6 (24) | Free | Medical |
| [Mednet \| Physician Q&A](https://appshunter.io/ios/app/mednet-physician-q-and-a/id1456428295) | 4.4 (26) | Free | Medical |
| [Rad Onc Tables](https://appshunter.io/ios/app/rad-onc-tables/id1435398887) | 5.0 (22) | $9.99 | Medical |
| [Radiation Oncology: Review](https://appshunter.io/ios/app/radiation-oncology-review/id6483211494) | — | Free | Medical |
| [SITC Immunotherapy Guidelines](https://appshunter.io/ios/app/sitc-immunotherapy-guidelines/id1555408470) | 4.8 (77) | Free | Medical |

## Related topics

[Dev Patel](https://appshunter.io/ios/topics/dev-patel)

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*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 2026-06-10.*