# RadOnc Reference vs Rad Onc Oral Board Sim

The clearest difference is in-app purchases: RadOnc Reference at none against Rad Onc Oral Board Sim's 5. RadOnc Reference also leads on ratings volume (45 vs 3) and device support (3 vs 1). Rad Onc Oral Board Sim's advantage is update cadence (every 5 days vs every 2 months) and rating (5.0 vs 4.7). On price and ads there is nothing between them.

Both are free to download. Rad Onc Oral Board Sim sells 5 in-app purchases, starting at $19.99 per month. RadOnc Reference asks for nothing beyond the download.

Rad Onc Oral Board Sim holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: RadOnc Reference has 45 ratings behind it against 3, so its average is the more settled of the two.

RadOnc Reference ships an update every 2 months, Rad Onc Oral Board Sim every 5 days. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RadOnc Reference | Rad Onc Oral Board Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (45 ratings)](https://appshunter.io/ios/app/radonc-reference/id563419791/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rad-onc-oral-board-sim/id6760372188/reviews)** |
| Number of ratings | **45** | 3 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 20 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Pretesh Patel](https://appshunter.io/developer/563419794) | [NAVID FALLAHI](https://appshunter.io/developer/1857414525) |

## 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


### Rad Onc Oral Board Sim

[App page](https://appshunter.io/ios/app/rad-onc-oral-board-sim/id6760372188)

Practice speaking your clinical responses to AI-generated cases for radiation oncology oral board exams. Get instant, personalized feedback on your strengths, knowledge gaps, and study tips. Track your progress and access a comprehensive reference library for efficient preparation.

**Highlights:** AI-generated unique cases, Voice input and auto-transcription, Personalized feedback and scoring, Progress tracking by disease site, Authentic 5-step board format, Comprehensive reference library

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $19.99 | per month |
| Yearly Unlimited | $149.99 | per year |
| 10 Case Credits | $9.99 | one-time |
| 20 Case Credits | $17.99 | one-time |
| 50 Case Credits | $39.99 | one-time |


## Frequently asked questions

### Is RadOnc Reference free?

RadOnc Reference is free to download, with no in-app purchases.

### Is Rad Onc Oral Board Sim free?

Rad Onc Oral Board Sim is free to download, with in-app purchases available.

### Which has better reviews, RadOnc Reference or Rad Onc Oral Board Sim?

Rad Onc Oral Board Sim is rated higher. RadOnc Reference averages 4.7 out of 5 from 45 ratings, while Rad Onc Oral Board Sim averages 5.0 from 3 ratings.

### Do RadOnc Reference or Rad Onc Oral Board Sim have ads?

Neither RadOnc Reference nor Rad Onc Oral Board Sim shows ads.

### Which is updated more often, RadOnc Reference or Rad Onc Oral Board Sim?

RadOnc Reference ships an update every 2 months, and Rad Onc Oral Board Sim every 5 days. Most recently, RadOnc Reference was updated on October 20, 2026 and Rad Onc Oral Board Sim on October 10, 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.*