I replaced eight Mac utilities with one app, and measured what it cost

Description and use

OmniMac consolidates eight common Mac utilities into a single lightweight app, preserving all features while reducing memory and CPU usage to negligible levels.

Problem

Mac users often rely on multiple small utilities that consume significant memory and CPU, leading to a fragmented, resource‑heavy environment.

Outcome

OmniMac consolidates eight utilities into a single lightweight app, matching or exceeding feature coverage while reducing memory footprint and CPU usage to negligible levels.

Workflow

• Identify common utilities and their resource usage
• Design a single app to replace all functions
• Implement modules for keep‑awake, window management, clipboard, sound, performance, tools, command bar, menu‑bar hider, and app cleaner
• Add dynamic island UI that adapts to notch or no‑notch Macs
• Measure CPU, memory, wake‑ups with scripts
• Optimize by disabling polling when modules are hidden
• Publish free MIT‑licensed app via website and Homebrew
• Provide source code, tests, and measurement scripts on GitHub

Evidence

OmniMac is a single menu bar app, native (Swift, SwiftUI for the views, AppKit for the panels), free and MIT-licensed, that does what I actually used from each of those eight and stays out of the way: 0.017–0.033 % CPU, 33–37 MB of real memory and 0.3 wake‑ups per second at idle

Source

The eight small apps — the seven that stay resident use 851 MB of RSS of between them on my Mac.

Source