# Essentials Handbook vs Rad Onc Calc

The clearest difference is rating: Essentials Handbook at 5.0 against Rad Onc Calc's 4.6. Rad Onc Calc's advantage is ratings volume (12 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Essentials Handbook holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Rad Onc Calc has 12 ratings behind it against 2, so its average is the more settled of the two.

Essentials Handbook ships an update every 5 weeks, Rad Onc Calc every 6 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Essentials Handbook | Rad Onc Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/essentials-handbook/id1251459425/reviews)** | [4.6 (12 ratings)](https://appshunter.io/ios/app/rad-onc-calc/id1494077153/reviews) |
| Number of ratings | 2 | **12** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 3 MB | 57 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Center for Physician Education, LLC](https://appshunter.io/developer/1217564930) | [Matthew Culbert](https://appshunter.io/developer/1435398886) |

## What reviewers say

### Essentials Handbook

[App page](https://appshunter.io/ios/app/essentials-handbook/id1251459425)

This educational handbook provides essential information for physicians covering general hospital procedures, systems, patient care, and infection control. It serves as a comprehensive resource for medical professionals.

**Highlights:** General Ins & Outs, Systems Information, Patient Care Guidelines, Infection Control Protocols

**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 Essentials Handbook free?

Essentials Handbook 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, Essentials Handbook or Rad Onc Calc?

Essentials Handbook is rated higher. Essentials Handbook averages 5.0 out of 5 from 2 ratings, while Rad Onc Calc averages 4.6 from 12 ratings.

### Do Essentials Handbook or Rad Onc Calc have ads?

Neither Essentials Handbook nor Rad Onc Calc shows ads.

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

Essentials Handbook ships an update every 5 weeks, and Rad Onc Calc every 6 weeks. Most recently, Essentials Handbook was updated on October 24, 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.*