# OHG Scanner vs Radiology Calculators

The clearest difference is in-app purchases: OHG Scanner at none against Radiology Calculators's 3. OHG Scanner also leads on update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Radiology Calculators sells 3 in-app purchases, starting at $3.99 per month. OHG Scanner asks for nothing beyond the download.

OHG Scanner ships an update weekly, Radiology Calculators every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | OHG Scanner | Radiology Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/radiology-calculators/id6751121064/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 60 MB | 61 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Healthcare Innovation Technologies Inc.](https://appshunter.io/developer/1545117167) | [Rad At Hand](https://appshunter.io/developer/1793832609) |

## What reviewers say

### OHG Scanner

[App page](https://appshunter.io/ios/app/ohg-scanner/id6473157464)

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

**In-app purchases:** none


### Radiology Calculators

[App page](https://appshunter.io/ios/app/radiology-calculators/id6751121064)

This app provides radiologists with over 30 essential interactive tools for calculations and reporting. It offers fast, accurate, and easy-to-use calculators to streamline workflow and enhance diagnostic confidence, all available offline.

**Highlights:** 30+ essential radiology calculators, Reporting tools, Offline access, Favorites and reordering, Streamlined workflow, Enhanced diagnostic confidence

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access (1 Month) | $3.99 | per month |
| Pro Access (1 Year) | $39.99 | per year |
| Pro Access (Lifetime) | $149.99 | one-time |


## Frequently asked questions

### Is OHG Scanner free?

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

### Is Radiology Calculators free?

Radiology Calculators is free to download, with in-app purchases available.

### Do OHG Scanner or Radiology Calculators have ads?

Neither OHG Scanner nor Radiology Calculators shows ads.

### Which is updated more often, OHG Scanner or Radiology Calculators?

OHG Scanner ships an update weekly, and Radiology Calculators every 2 weeks. Most recently, OHG Scanner was updated on November 4, 2026 and Radiology Calculators on November 5, 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.*