# Perioperative risk vs EchoDICOM Calc

The clearest difference is price: EchoDICOM Calc at Free against Perioperative risk's $4.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

EchoDICOM Calc is free to download; Perioperative risk costs $4.99 up front. Perioperative risk sells 1 one-off in-app purchase and EchoDICOM Calc sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Perioperative risk | EchoDICOM Calc |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | — |
| Size | 9 MB | 33 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +17 | +17 |
| Developer | [Bruno Caramelli](https://appshunter.io/developer/1141478682) | [Filipe Jose Costa Marinho Ribeiro](https://appshunter.io/developer/1816965177) |

## What reviewers say

### Perioperative risk

[App page](https://appshunter.io/ios/app/perioperative-risk/id1096306969)

This medical app assists physicians with cardiovascular risk assessment and prevention in patients undergoing non-cardiac surgery. It estimates complication risks and offers evidence-based tips to mitigate them through a visual flowchart.

**Highlights:** Cardiovascular risk estimation, Complication prevention tips, Pipeline flowchart guidance, Evidence-based recommendations, Bedside clinical tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perioperative Risk - Patient Record | $2.99 | one-time |


### EchoDICOM Calc

[App page](https://appshunter.io/ios/app/echodicom-calc/id6746451718)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription monthly | $0.99 | per month |
| Pro subscription annually | $5.99 | per year |


## Frequently asked questions

### Is Perioperative risk free?

Perioperative risk costs $4.99, and also offers in-app purchases.

### Is EchoDICOM Calc free?

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

### Do Perioperative risk or EchoDICOM Calc have ads?

Neither Perioperative risk nor EchoDICOM Calc shows ads.

### Which is updated more often, Perioperative risk or EchoDICOM Calc?

Perioperative risk ships an update every 2 months, and EchoDICOM Calc every 2 months. Most recently, Perioperative risk was updated on October 24, 2026 and EchoDICOM Calc on October 9, 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.*