Side by side

Flare Scan vs Spacie

Both stand on disk space analyzers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Flare Scan

Free plan Mac

Choose Flare Scan if you want a free Mac tool for visual storage analysis, scan comparisons, and session memory tracking. Look elsewhere if you need support for another operating system or want duplicate analysis to include files smaller than 1 MB.

Visit Flare Scan

Spacie

Free plan Mac

Spacie pairs detailed volume scanning with multiple cleanup filters and a staged deletion flow. Its requirements are limited to newer macOS and Apple Silicon, and commercial use needs a separate license agreement.

Visit Spacie

The facts

	Flare Scan	Spacie
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Mac	Mac
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	github.com	github.com
On disk space analyzers	#34 of 105	#38 of 105

Flare Scan: what it does well

Interactive Sunburst and Treemap views show selected folders or volumes.
Scans external drives and breaks storage down by file type.
Compares later scans with an optional local baseline.
Memory Watch tracks session peaks, averages, and recent trends.
Cleanup sends selected items to macOS Trash after safeguards.

What to know first

Requires macOS 14 Sonoma or newer.
The checked-in build targets Apple Silicon.
Duplicate analysis skips files smaller than 1 MB.
Baselines cover files of at least 1 MB, up to 50,000 entries.

Spacie: what it does well

Scans internal, external, and network volumes.
Shows storage in two treemap styles.
Supports APFS clone detection and hard link deduplication.
Includes 13 built-in smart categories.
Blocks deletion of SIP-protected paths.

What to know first

Requires macOS 15.0 or later.
Requires an Apple Silicon arm64 Mac.
Commercial use requires a separate license agreement.

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