# ACR Guidance vs GYNStat

The clearest difference is in-app purchases: ACR Guidance at none against GYNStat's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GYNStat sells 2 in-app purchases, starting at $4.99 per month. ACR Guidance asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ACR Guidance | GYNStat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (12 ratings)](https://appshunter.io/ios/app/acr-guidance/id1484701466/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 111 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The American College of Radiology](https://appshunter.io/developer/493774954) | [Mehmet Sabri Sepik](https://appshunter.io/developer/1885676496) |

## What reviewers say

### ACR Guidance

[App page](https://appshunter.io/ios/app/acr-guidance/id1484701466)

Access clinical guidance content from the ACR on your mobile device. Includes resources for contrast reactions, reporting systems, and incidental findings. Designed for healthcare professionals needing on-the-go reference materials.

**Highlights:** Interactive clinical guidance, ACR Contrast Reaction Cards, Reporting and Data Systems (RADS) content, Incidental Findings (IF) content, On-the-go reference materials

**Features:** macOS Compatibility

**In-app purchases:** none


### GYNStat

[App page](https://appshunter.io/ios/app/gynstat-obgyn-calculators/id6761730513)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $4.99 | per month |
| Annual Premium Access | $49.99 | per year |


## Frequently asked questions

### Is ACR Guidance free?

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

### Is GYNStat free?

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

### Do ACR Guidance or GYNStat have ads?

Neither ACR Guidance nor GYNStat shows ads.

### Which is updated more often, ACR Guidance or GYNStat?

ACR Guidance ships an update every 2 months, and GYNStat every 2 months. Most recently, ACR Guidance was updated on November 3, 2026 and GYNStat on October 25, 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.*