# Twebcast vs SIIM26

The clearest difference is update cadence: Twebcast at every 5 weeks against SIIM26's every 3 months. Twebcast also leads on iOS requirement (15.6 vs 17.0). 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.

Twebcast ships an update every 5 weeks, SIIM26 every 3 months. The most recent releases landed on September 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Twebcast | SIIM26 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/twebcast/id1326272153/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 3 MB | 69 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Twebcast AB](https://appshunter.io/developer/1089468572) | [Society for Imaging Informatics in Medicine](https://appshunter.io/developer/1374530516) |

## What reviewers say

### Twebcast

[App page](https://appshunter.io/ios/app/twebcast/id1326272153)

Enhance event participation with interactive features. Register, access events via scannable tickets, and engage in live activities. Designed for physical, digital, and hybrid event attendees.

**Highlights:** Event registration, Scannable ticket access, Interactive event participation, Support for hybrid events, Communication tools

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

**In-app purchases:** none


### SIIM26

[App page](https://appshunter.io/ios/app/siim26/id6503299981)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twebcast free?

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

### Is SIIM26 free?

SIIM26 is free to download, with no in-app purchases.

### Do Twebcast or SIIM26 have ads?

Neither Twebcast nor SIIM26 shows ads.

### Which is updated more often, Twebcast or SIIM26?

Twebcast ships an update every 5 weeks, and SIIM26 every 3 months. Most recently, Twebcast was updated on September 13, 2026 and SIIM26 on September 15, 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.*