Aquarium 4K Live Wallpaper 1.1.1 for Mac
Mac UtilitiesAquarium 4K – Live Wallpaper, from Mach Software Design, turns your Mac desktop into a living aquarium. Version 1.1.1 for Mac plays full 4K video themes as your wallpaper — exotic fish, stingrays, jellyfish, seahorses and reef scenes from locations such as the Great Barrier Reef — while using only a small amount of CPU per display. On top of the moving background you can place more than 30 desktop widgets, from clocks to weather forecasts, each customised for position, size and colours.
Key Features
- More than 20 aquarium themes in full 4K Ultra HD video as live wallpaper
- Optional screen saver mode using the same themes
- Over 30 desktop widgets, including a forecast widget with temperature, wind and humidity
- Unlimited display support, with each display customised independently
- Efficient video playback averaging around 5% CPU per display, and support for loading your own QuickTime videos
How to Download
- Check the current price and compatibility on the developer's page or the Mac App Store.
- Get it from the developer: Download from the official site
- Install it, pick a theme with one click, and add any widgets you want on your desktop.
System Requirements
Aquarium 4K requires macOS 10.11 or later and is a universal app for Apple silicon and Intel Macs. It is designed to look its best on 3K, 4K and 5K displays, and version 1.1.1 was updated for macOS 26.
FAQs
Will a video wallpaper slow my Mac down?
The developer states its video player uses on average about 5% CPU per display playing full 4K video, so on a modern Mac the impact should be modest — but battery use on a laptop will still be higher than with a static wallpaper.
Is Aquarium 4K free?
No. It is a paid app from Mach Software Design, sold through the Mac App Store. This page does not offer a free version of it; use the official link for pricing.
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