# SARCULATOR vs SIUrO

The clearest difference is iOS requirement: SIUrO at 13.6 against SARCULATOR's 15.0. 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.

SARCULATOR ships an update every 6 months, SIUrO every 7 months. The most recent releases landed on October 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SARCULATOR | SIUrO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/sarculator/id1052119173/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | Free | — |
| Size | 29 MB | 8 MB |
| Requires iOS | 15.0 | **13.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [DIGITAL FOREST SRL](https://appshunter.io/developer/581246108) | [Tecnoconference](https://appshunter.io/developer/418525839) |

## What reviewers say

### SARCULATOR

[App page](https://appshunter.io/ios/app/sarculator/id1052119173)

This medical tool provides physicians with predictive models for retroperitoneal and extremity sarcoma patients. It estimates overall survival and disease-free survival, serving as an informative resource to enhance physician predictive capabilities.

**Highlights:** Predictive models for sarcoma patients, Estimates 5-year overall survival, Estimates 5-year disease-free survival, Estimates 10-year overall survival, Estimates cumulative incidence of distant metastasis, Informative tool for physicians

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

**In-app purchases:** none


### SIUrO

[App page](https://appshunter.io/ios/app/siuro/id1455974707)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SARCULATOR free?

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

### Is SIUrO free?

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

### Do SARCULATOR or SIUrO have ads?

Neither SARCULATOR nor SIUrO shows ads.

### Which is updated more often, SARCULATOR or SIUrO?

SARCULATOR ships an update every 6 months, and SIUrO every 7 months. Most recently, SARCULATOR was updated on October 24, 2026 and SIUrO on September 28, 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.*