# SealSkin vs Sill

The clearest difference is update cadence: Sill at every 10 days against SealSkin's every 2 months. Sill also leads on iOS requirement (17.0 vs 26.0). 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.

SealSkin ships an update every 2 months, Sill every 10 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | SealSkin | Sill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (64 ratings)](https://appshunter.io/ios/app/sill-mac-streaming/id6816359860/reviews)** |
| Number of ratings | — | **64** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ryan Kuba](https://appshunter.io/developer/1871464574) | [NOAH WILLIAM SAFFER](https://appshunter.io/developer/6816359862) |

## What reviewers say

### SealSkin

[App page](https://appshunter.io/ios/app/sealskin/id6758210210)

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

**In-app purchases:** none


### Sill

[App page](https://appshunter.io/ios/app/sill-mac-streaming/id6816359860)

Stream your Mac's desktop or individual windows to your iPhone or iPad. Control your computer remotely using touch, keyboard, or Apple Pencil with encrypted connections. Offers flexible streaming quality and connection options.

**Highlights:** Stream Mac windows or desktop to iPhone/iPad, Remote control with touch, keyboard, Apple Pencil, Encrypted connections with TLS 1.3, Adjustable streaming quality and frame rate, Virtual display option for continuous updates, Multiple connection modes (Wired, Wi-Fi, Direct, Remote)

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

**In-app purchases:** none


## Frequently asked questions

### Is SealSkin free?

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

### Is Sill free?

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

### Do SealSkin or Sill have ads?

Neither SealSkin nor Sill shows ads.

### Which is updated more often, SealSkin or Sill?

SealSkin ships an update every 2 months, and Sill every 10 days. Most recently, SealSkin was updated on November 9, 2026 and Sill on November 13, 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.*