# CIRSE vs SIRS

The clearest difference is update cadence: SIRS at every 5 days against CIRSE's monthly. SIRS also leads on iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

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

CIRSE ships an update monthly, SIRS every 5 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CIRSE | SIRS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cirse/id690082054/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 115 MB | 34 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [CIRSE - Cardiovascular and Interventional Radiological Society of Europe](https://appshunter.io/developer/849682234) | [Adnan Ashraf](https://appshunter.io/developer/1212120305) |

## What reviewers say

### CIRSE

[App page](https://appshunter.io/ios/app/cirse/id690082054)

Access interactive congress programs, including session details, faculty information, and interactive maps. Stay updated with society news and resources throughout the year.

**Highlights:** Interactive congress programs, Up-to-date session details and abstracts, Faculty and exhibitor information, Interactive floor plans, Session polls and evaluations, Access to CIRSE website and library, Society news updates

**Features:** Vision Pro support

**In-app purchases:** none


### SIRS

[App page](https://appshunter.io/ios/app/sirs-2023/id6458100492)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CIRSE free?

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

### Is SIRS free?

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

### Do CIRSE or SIRS have ads?

Neither CIRSE nor SIRS shows ads.

### Which is updated more often, CIRSE or SIRS?

CIRSE ships an update monthly, and SIRS every 5 days. Most recently, CIRSE was updated on October 7, 2026 and SIRS on October 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.*