# ACVR vs Rad Onc Calc

The clearest difference is update cadence: Rad Onc Calc at every 6 weeks against ACVR's every 12 months. On price, rating, ratings volume 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.

On the App Store both sit at effectively the same score — 4.7 for ACVR against 4.6 for Rad Onc Calc. Both are backed by a comparable volume of ratings — 29 and 12 respectively.

ACVR ships an update every 12 months, Rad Onc Calc every 6 weeks. Both last shipped on October 21, 2026.

## The numbers

| Metric | ACVR | Rad Onc Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/acvr/id1436889250/reviews)** | [4.6 (12 ratings)](https://appshunter.io/ios/app/rad-onc-calc/id1494077153/reviews) |
| Number of ratings | **29** | 12 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 83 MB | 57 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ACVR](https://appshunter.io/developer/1436889249) | [Matthew Culbert](https://appshunter.io/developer/1435398886) |

## What reviewers say

### ACVR

[App page](https://appshunter.io/ios/app/acvr/id1436889250)

Access conference schedules, presentations, and exhibitor details. Take notes directly on slides, draw on content, and utilize in-app messaging for networking. Share information easily with colleagues and attendees.

**Highlights:** View conference schedule, Access presentations and speaker details, Take notes on slides, Draw directly on presentation slides, In-app messaging for attendees, Share information via tweet and email

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

**In-app purchases:** none


### Rad Onc Calc

[App page](https://appshunter.io/ios/app/rad-onc-calc/id1494077153)

A radiation oncology calculator and reference tool for medical professionals. It provides quick access to essential calculations and treatment constraints.

**Highlights:** Radiation oncology calculations, Treatment constraints reference, Quick access to essential data, Comprehensive tool for professionals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACVR free?

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

### Is Rad Onc Calc free?

Rad Onc Calc is free to download, with no in-app purchases.

### Which has better reviews, ACVR or Rad Onc Calc?

ACVR is rated higher. ACVR averages 4.7 out of 5 from 29 ratings, while Rad Onc Calc averages 4.6 from 12 ratings.

### Do ACVR or Rad Onc Calc have ads?

Neither ACVR nor Rad Onc Calc shows ads.

### Which is updated more often, ACVR or Rad Onc Calc?

ACVR ships an update every 12 months, and Rad Onc Calc every 6 weeks. Most recently, ACVR was updated on October 21, 2026 and Rad Onc Calc on October 21, 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.*