# SatScream vs Vulfyn

The clearest difference is iOS requirement: SatScream at 16.0 against Vulfyn's 18.0. 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SatScream | Vulfyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 2 MB | 6 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Hudgins](https://appshunter.io/developer/1879898342) | [Birkan Kader](https://appshunter.io/developer/1849440217) |

## What reviewers say

### SatScream

[App page](https://appshunter.io/ios/app/satscream/id6759922209)

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

**In-app purchases:** none


### Vulfyn

[App page](https://appshunter.io/ios/app/vulfyn/id6782674318)

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

**In-app purchases:** none


## Frequently asked questions

### Is SatScream free?

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

### Is Vulfyn free?

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

### Do SatScream or Vulfyn have ads?

Neither SatScream nor Vulfyn shows ads.

### Which is updated more often, SatScream or Vulfyn?

SatScream ships an update every 6 weeks, and Vulfyn every 6 weeks. Most recently, SatScream was updated on October 28, 2026 and Vulfyn 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.*