---
title: "App Window 1 Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/app-window-1--15853
canonical_url: "https://www.streamlinehq.com/icons/download/app-window-1--15853"
summary: "Clean duotone icon of an app window with three buttons and a split-color screen. Used for apps and browsers."
---

# App Window 1 icon

The App Window 1 icon shows a rounded browser-style window with three circular controls and a diagonally split-color content area. Drawn in the duotone style on a 24px grid with a 1px stroke so it stays clear at small sizes. Use it for app launchers, browser tabs, desktop interfaces, web design tools, and window controls. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of an app window with three buttons and a split-color screen. Used for apps and browsers.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/coding-apps-websites/apps/app-window-1-5skf48qwuroz4imnlavg0a.png?_a=DATAiZkSZAA0)

## Details

- **Name**: App Window 1
- **Type**: Icon
- **Set**: [Ultimate Duotone](/icons/streamline-duotone.md) — Ultimate is the world’s largest icon family, designed by 8 expert designers. The Duotone style enhances visual depth by combining colored lines and filled shapes, perfect for matching brand or project colors. Key advantages: 1—Customizable colors. Apply up to four different colors to icon elements. 2— Adjustable stroke thickness. Create looks ranging from thin to bold for varied aesthetics.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Duo, Stroke, Filled
- **Category**: Coding apps websites › Apps
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: app, window, programming, interface, browser, code, website, webpage, gui, layout, page, development, application, web, internet, online, coding, tab

## Download

- [Download App Window 1 on Streamline](https://www.streamlinehq.com/icons/download/app-window-1--15853)

## Also available in other styles

- [App Window 1 — Ultimate Colors](/icons/download/app-window-1--19679.md) (Pro)
- [App Window 1 — Ultimate Light](/icons/download/app-window-1--8350.md) (Pro)
- [App Window 1 — Ultimate Regular](/icons/download/app-window-1--9081.md) (Pro)
- [App Window 1 — Ultimate Bold](/icons/download/app-window-1--7619.md) (Pro)

---

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