# Rad Onc Calc vs Resfly

The clearest difference is update cadence: Resfly at daily against Rad Onc Calc's every 6 weeks. Resfly also leads on rating (5.0 vs 4.6). Rad Onc Calc's advantage is ratings volume (12 vs 2) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Resfly 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.

Rad Onc Calc ships an update every 6 weeks, Resfly daily. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Rad Onc Calc | Resfly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (12 ratings)](https://appshunter.io/ios/app/rad-onc-calc/id1494077153/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/resfly/id6794766213/reviews)** |
| Number of ratings | **12** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 57 MB | 42 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Matthew Culbert](https://appshunter.io/developer/1435398886) | [FADEL HANOUN](https://appshunter.io/developer/6794766215) |

## What reviewers say

### 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


### Resfly

[App page](https://appshunter.io/ios/app/resfly/id6794766213)

This app streamlines medical residency programs by centralizing schedules, training records, and communication for residents, faculty, and coordinators. It offers a glance at daily tasks, manages rotations, and facilitates conference participation and document tracking.

**Highlights:** Daily schedule overview, Rotation and conference management, Training record logging, Program-wide communication, Document management, Configurable reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is Rad Onc Calc free?

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

### Is Resfly free?

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

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

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

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

Neither Rad Onc Calc nor Resfly shows ads.

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

Rad Onc Calc ships an update every 6 weeks, and Resfly daily. Most recently, Rad Onc Calc was updated on November 3, 2026 and Resfly on November 6, 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.*