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Which is the better window switchers for Mac in 2026?
We compared AltTab and Contexts across 5 key factors including price, open-source status, and community adoption. For most users in 2026, AltTab is the better choice because it's open source. Read our full breakdown below.
Windows-like alt-tab window switcher
Allows switching between application windows
For most users in 2026, AltTab is the better choice because it's open source. However, Contexts remains a solid option for users who prefer its unique features.
| Feature | AltTab | Contexts |
|---|---|---|
| Price | Free | Free |
| Open Source | Yes | No |
| Monthly Installs | N/A | N/A |
| GitHub Stars | N/A | N/A |
| Category | System Utilities | Other |
brew install --cask alt-tabbrew install --cask contextsAltTab is a free, open-source window switcher for macOS that replicates the familiar Alt-Tab behavior from Windows. Developed by Lépine and maintained by an active open-source community on GitHub, AltTab shows thumbnail previews of all open windows when activated, allowing users to quickly cycle through and select the one they need. Unlike macOS's built-in Cmd+Tab, which only switches between applications, AltTab switches between individual windows, including minimized ones and windows on other Spaces. The app is highly configurable, offering options to adjust thumbnail size, appearance, blacklist certain apps, and customize keyboard shortcuts. It supports multiple screens, and its lightweight architecture ensures minimal impact on system performance. Since its launch, AltTab has accumulated over 10,000 GitHub stars and has become one of the most recommended free utilities in the macOS community. It's built with Swift and uses native macOS accessibility APIs to capture window information.
Contexts is a premium window switcher and manager for macOS that reimagines how users navigate between open windows. Developed by Contextsformac, it offers multiple switching paradigms: a fast search-based switcher activated by keyboard shortcut, a sidebar panel that displays all open windows organized by application, and an enhanced Cmd+Tab replacement. What sets Contexts apart is its search functionality—users can type a few characters of a window title or application name to instantly filter and jump to the right window, making it incredibly efficient when working with many windows simultaneously. The sidebar can be configured to auto-show on mouse hover at screen edges, providing a persistent overview of all open windows. Contexts respects macOS design conventions, offering a clean, native-looking interface that feels like a natural extension of the operating system. It supports Spaces, multiple displays, and offers sophisticated grouping and sorting options. The app uses a one-time purchase model with a free trial period.
AltTab provides a visual grid of window thumbnails, similar to Windows' Alt+Tab. Users press a keyboard shortcut and see all windows at once, cycling through them with arrow keys or repeated shortcut presses. The thumbnails are large enough to identify window contents at a glance, making it ideal for visual identification of windows.
Contexts offers both a visual list and a powerful search-based switcher. Users can type a few characters to filter windows by title or app name. This scales dramatically better than thumbnail grids when dealing with many windows. The search approach means you never have to cycle through windows—you jump directly to the one you need.
Verdict: AltTab wins for visual identification with few windows; Contexts wins for speed and scalability with many windows.
AltTab does not offer a persistent sidebar panel. It only shows the window switcher overlay when the keyboard shortcut is activated, disappearing once a selection is made. There is no always-visible window list or dock-like interface for ongoing window awareness.
Contexts features a configurable sidebar panel that can auto-show when you move your mouse to the screen edge. It displays all open windows grouped by application, and you can click any entry to switch to that window. The sidebar can be pinned or set to auto-hide, providing persistent awareness of your open windows without cluttering the screen.
Verdict: Contexts clearly wins with its unique sidebar panel feature that provides persistent window awareness.
AltTab does not include a search or filter function. You must visually scan thumbnails or cycle through them sequentially to find the window you want. For users with many windows, this can become slow compared to search-based approaches.
Contexts excels with its fuzzy search. Pressing the shortcut opens a search field where typing a few characters instantly filters the window list. It searches both application names and window titles, so typing 'git' might show your GitHub browser tab, your GitKraken window, and your terminal with a git command. This is transformatively fast for power users.
Verdict: Contexts is the clear winner for search-based window navigation, a feature AltTab lacks entirely.
AltTab shows live thumbnail previews of each window, updating in near real-time. The thumbnails are large, clear, and faithfully represent the current state of each window. Users can adjust thumbnail size in preferences. This visual approach is intuitive and requires no learning curve.
Contexts uses a text-based list rather than visual thumbnails. While it shows application icons and window titles, you don't get a visual preview of each window's contents. This is faster for text-based scanning but less helpful when you need to visually identify a specific window among similar-looking ones.
Verdict: AltTab wins for users who prefer visual identification of windows through thumbnail previews.
AltTab offers solid customization options including thumbnail size, number of rows, appearance themes (dark/light), app blacklisting, shortcut customization, and the ability to show/hide minimized windows, hidden windows, or windows from other Spaces. The preferences panel is straightforward and well-organized.
Contexts provides deep customization for its sidebar, switcher, and grouping behavior. You can configure auto-show triggers, sorting rules, grouping by app or space, display filtering rules, and appearance options. The level of control over how windows are organized and presented is significantly more granular than AltTab's options.
Verdict: Contexts offers deeper customization options, especially for window organization and presentation rules.
AltTab is completely free and open-source under the GPL-3.0 license. There are no paid tiers, no limitations, and no ads. The full feature set is available to everyone. Users can also contribute to development on GitHub or donate to support the project.
Contexts uses a one-time purchase model priced at approximately $9.99. It offers a free trial period so users can evaluate before buying. While the price is very reasonable for the functionality provided, it does represent a cost barrier compared to AltTab's free model. There are no recurring subscription fees.
Verdict: AltTab wins on price as a completely free, open-source solution versus Contexts' paid model.
AltTab supports showing windows from all Spaces and multiple displays. Users can configure whether to show windows from the current Space only or from all Spaces. Multi-monitor support works well, though the switcher overlay always appears on the active screen.
Contexts handles multiple Spaces and displays with sophistication. The sidebar can show windows grouped by Space, and the search function works across all Spaces and screens simultaneously. The sidebar can be configured independently for each display, and switching to a window on another Space triggers a smooth Space transition.
Verdict: Contexts handles multi-Space and multi-display workflows more elegantly with its per-display sidebar configuration.
Users coming from Windows who miss the visual Alt+Tab experience will feel immediately at home with AltTab. It replicates the exact workflow they're used to, with no learning curve.
Developers juggling terminals, editors, browsers, and documentation windows need Contexts' search-based switching. Typing 'ter' to find a terminal is faster than scanning 30 thumbnails.
AltTab is completely free with no limitations. For users who want improved window switching without any cost, it's the obvious choice.
Users who prefer keyboard-driven workflows will love Contexts' search approach. It's faster than any visual switching method once you learn the patterns.
Users who heavily use macOS Spaces benefit from Contexts' sidebar and per-Space grouping, which provides better awareness of window distribution across Spaces.
Users who just want their Mac to work a bit better without learning new paradigms will appreciate AltTab's simplicity and visual approach.
Transitioning from AltTab to Contexts requires adjusting your mental model from 'visual scanning' to 'search and jump.' Start by learning Contexts' primary keyboard shortcut and practicing typing window names instead of cycling through thumbnails. Enable the sidebar and experiment with auto-show on mouse hover. You'll likely find the transition takes 2-3 days of deliberate practice before the search-based approach becomes second nature.
Moving from Contexts to AltTab means shifting from search-based to visual-based switching. Disable Contexts and install AltTab, setting your preferred shortcut. You'll notice the visual thumbnails are great for smaller window counts but may miss the search capability with many windows. Consider keeping your window count manageable per Space to maximize AltTab's visual approach.
Try running both apps side-by-side for a week with different keyboard shortcuts to see which approach suits your workflow better before committing to one.
Winner
Runner-up
AltTab and Contexts represent two fundamentally different philosophies for solving the same problem. AltTab is the democratic choice—free, open-source, and immediately intuitive for anyone familiar with the Windows-style Alt+Tab experience. It's visual, simple, and gets the job done without any learning curve. Contexts is the power user's choice—a sophisticated, search-driven window switcher with a persistent sidebar that scales elegantly as your window count grows. For casual users and those with moderate window counts, AltTab is the smarter pick. For developers, researchers, and professionals who routinely juggle 20+ windows, Contexts' search-based approach is a genuine productivity multiplier worth its modest price tag. Both are excellent tools that dramatically improve over macOS's native window switching.
Bottom Line: Choose AltTab for a free, visual, Windows-style switcher; choose Contexts for search-based switching that scales to dozens of windows.
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Last verified: Feb 15, 2026
Accessed Feb 15, 2026
Accessed Feb 15, 2026
Accessed Feb 15, 2026
Accessed Feb 15, 2026
Research queries: AltTab vs Contexts macOS window switcher 2026; AltTab macOS open source window switcher review; Contexts app macOS window manager features pricing