Developer tools

Fast disk usage analysis for macOS users

Hoardmap · Open-source disk map for Mac. See what fills your drive in seconds.

WatchingDraft scoreMature market · since 2010 · AI estimate

36PWAS score

Confidence

Based on 9 of 9 factors

Overview

AIThis description was written by a model from public signals. The facts behind it are listed under Evidence.

Problem: macOS users struggle to understand disk space usage and find what is consuming storage. Existing disk analyzers are slow or expensive, leaving a gap for faster, open-source alternatives.
Solution concept: A fast, open-source disk usage analyzer that scans full drives in seconds and presents findings in an interactive, visual format (sunburst chart). A better product would prioritize speed and visual clarity while remaining free and transparent through open-source development.
Who has it: macOS users who need to manage storage and understand disk usage patterns on their machines.
How they handle it today: Users currently rely on existing disk analysis tools, some of which are paid (like DaisyDisk), to scan their drives and visualize what is taking up space.
Why now: APFS (Apple File System) adoption on modern macOS systems creates opportunity for optimized analyzers; users increasingly manage larger drives and cloud storage.
How it could charge: Freemium model with optional paid features (advanced filtering, exports, premium visualizations), or donations/sponsorships for the open-source project. Could also target enterprises for bulk licensing of a compiled, supported version.

Verdict

Computed from the factor scores below, never written by a model. It decides nothing on its own: only the gate makes an opportunity a build candidate.

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Score breakdown

A model sorted each factor into a rubric bucket; code turned buckets into numbers. Unknown factors are left out of the score and lower confidence instead.

Market validation

Confidence 95 · 2 evidence · The existence of established paid competitors like DaisyDisk demonstrates clear demand, and the product positions itself explicitly as an alternative to these products.

Revenue evidence

Confidence 95 · 1 evidence · Competitors have paid plans (DaisyDisk at $9.99), and the opportunity proposes a freemium model with optional paid features, but there is no evidence that this product itself has paying customers.

Growth

Confidence 95 · 1 evidence · The GitHub repository gained 318 stars in 88 days, which is a fast acquisition rate indicating visible momentum.

Problem severity

Confidence 30 · Judged from the description · Disk space management is a recurring friction point that macOS users work around with existing tools, but it is not a critical blocker of work.

Economic proximity

Confidence 30 · Judged from the description · A disk analyzer is a generic productivity tool; it does not sit directly adjacent to revenue transactions or cost recovery.

Distribution

Confidence 30 · Judged from the description · A desktop utility for personal disk analysis is a private internal tool; users run it on their own machine and the tool itself does not expose the product to non-users.

Buildability

Confidence 30 · Judged from the description · A disk scanning and visualization tool requires some complexity (file system traversal, interactive UI rendering), but can be built with standard frameworks and libraries.

Differentiation

Confidence 70 · 2 evidence · Speed and visual clarity are named as clear gaps that users care about; the evidence explicitly claims scans in seconds with interactive visualization, and the open-source positioning is a structural difference from commercial paid alternatives.

Retention and timing

Confidence 30 · Judged from the description · Disk analysis is occasional or periodic use rather than daily, and there is no clear timing tailwind evident.

Risk penalties

Depends on one platformThe product is built for macOS only, creating dependency on one operating system platform and limiting addressable market.−6

Score history

36 · confidence 57 · config v1First score · 16 Oct 2026

Fast disk usage analysis for macOS users

Overview

Verdict

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Validation gate

Evidence · 4 items

Market validation

Revenue evidence

Growth

Differentiation

Market

Existing products

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