RetroMac

RetroMac is a macOS menu bar app that adds live CRT, VHS, LCD and classic OS themes to your screen. Free download, optional Pro upgrade.

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Overview

RetroMac is a macOS menu bar app that overlays live CRT, VHS, LCD, and classic operating-system themes on top of your screen. It is designed to give the entire interface a retro look without changing your apps, files, or system settings.

The app supports whole-screen effects, single-window targeting, and per-display control, so you can decide how broadly the shader applies. It also includes classic desktop recreations such as Windows 98, Windows XP, Mac OS 9, Mac OS X, BeOS, and Snow Leopard, along with docks, boot splashes, and some built-in retro-style widgets and games.

RetroMac is free to download and use, runs on macOS 14 and newer, and is described as a universal binary for Apple Silicon and Intel Macs. An optional one-time Pro upgrade unlocks extra shader presets, custom presets, and the webcam shader.

Features

Live retro shaders

Run more than 30 live CRT, VHS, LCD, and classic-computer shaders in real time on top of your screen. The effect is applied instantly without restarting macOS.

Classic OS themes

Switch the whole interface to period-style themes such as Windows 98, Windows XP, Mac OS 9, Mac OS X, BeOS, and Snow Leopard, including docks, desktops, and boot splashes.

Per-display and per-window control

Target the effect to a full screen, a single display, or just one window. Per-app rules let one app stay sharp while another gets the retro treatment.

Performance-aware rendering

Use built-in eco modes that reduce shader load on battery power. The app is positioned to stay responsive on modern Macs and on Apple Silicon hardware.

Virtual webcam output

Use the virtual camera output in Zoom, Google Meet, Teams, or OBS. The download page says it supports iPhone Continuity Camera and USB webcams, plus lower-third overlays.

Deep customization

Customize intensity, colors, icons, dock style, and per-app or per-display rules. The source also says you can import your own Metal shaders and build custom presets.

Use Cases

Whole-screen retro look
Apply CRT or VHS shaders to an entire desktop when you want the whole Mac to look like an older display or tape playback setup.
Focused window effects
Style only a single app or window so an editor, emulator, or browser can get the effect while the rest of macOS stays normal.
Mixed-display setups
Give a multi-monitor setup different looks on each display, which is useful when you want one screen clean and another screen heavily themed.
Retro gaming and emulation
Run retro games or pixel-art emulators through scanlines, phosphor masks, and NTSC-style effects to change the presentation without altering the game itself.
Camera and stream output
Send a CRT-styled feed into Zoom, Meet, Teams, or OBS using the virtual camera for calls, recordings, or streaming.

Pros and Cons

Pros

Applies retro effects live on top of the existing screen content instead of replacing apps or files.
Supports multiple scopes, including whole screen, single window, and individual displays.
Includes both shader effects and fuller operating-system themes, giving more than one style of retro look.
Supports per-app rules, making it possible to keep some windows clean while styling others.
Runs on macOS 14+ and is presented as a notarized universal binary for Apple Silicon and Intel Macs.

Cons

The pricing page is unavailable, so the source only clearly confirms the free download and the one-time Pro upgrade summary.
Some advanced capabilities, such as custom presets and webcam shaders, are tied to the paid Pro unlock.

FAQ

What is RetroMac?

RetroMac is a macOS menu bar app that overlays live retro shaders and classic operating-system themes on top of your screen. It can switch between CRT, VHS, LCD, and period-style desktop looks without changing your apps or files.

Does RetroMac modify my files or apps?

No. The source says RetroMac paints a shader over what is already on screen and does not change your apps, files, or system settings. Quitting the app returns macOS to its normal appearance.

Can I use RetroMac on just one window or display?

Yes. You can apply a look to the whole screen, a single display, or just one window. The source also says per-app rules are supported.

What Macs does RetroMac support?

RetroMac supports macOS 14 or newer and is described as a universal binary for Apple Silicon and Intel Macs. The site also says it is signed and notarized by Apple.

Is RetroMac free?

RetroMac is free to download and use. An optional Pro upgrade is a one-time €8.88 purchase that adds extra shader presets, custom presets, and the webcam shader.

Quick Facts

Category: macOS menu bar app
Platform: macOS 14+ (Apple Silicon and Intel)
Core function: Live CRT, VHS, LCD, and classic OS overlays
Pricing: Free to download; optional one-time Pro upgrade
Domain: myretromac.app
Installation: Download DMG and drag to Applications