Mac Disk Space Guardian

Predict and free up disk space eaten by Siri and other system processes before macOS upgrade

Problem

macOS upgrades often consume large disk space due to system processes like Siri, causing failures or post-upgrade issues for users with limited free space. Users can't predict usage beforehand and are forced to clean up reactively, or avoid upgrading.

Solution

A Mac tool that scans and simulates disk space that system processes (Siri, Spotlight) may take before an upgrade, provides a prediction report, and offers one-click cleanup or disable suggestions to ensure smooth upgrade. Also analyzes post-upgrade space usage and frees it.

Users

Mac users, especially those with tight disk space (<100GB free) and IT admins managing multiple Macs.

MVP

Scan and list system processes that may consume large space; simulate upgrade space needs and predict; one-click cleanup of caches and logs; support disabling non-essential services like Siri; generate cleanup report.

Revenue

One-time purchase ($19.99) or subscription ($2.99/month), with enterprise bulk licensing.

Why now

Every major macOS upgrade triggers disk space anxiety, with frequent community pleas; indie developers can quickly build a lightweight tool and sell via Mac App Store or direct.