Storage Analyzer
See exactly where every gigabyte went.
ApplicationsDocumentsSystem DataDownloadsDeveloperOther
Everything
Silo does.
Six tools and four principles, in one focused app.
Smart Cleanup
Reviewable suggestions, never surprises.
23.4 GB
CacheLogsOld installersTemp files
Large Files
The few files behind most of the weight.
4.8 GB
3.2 GB
1.9 GB
1.4 GB
Port Manager
Know who is listening, then free the port.
| 3000 | node | ACTIVE |
| 5432 | postgres | ACTIVE |
| 8080 | java | ACTIVE |
Docker Cleanup
Reclaim images, volumes and build cache.
18.7 GB
Images
Volumes
Cache
System Monitor
CPU, memory, disk and network, without the noise.
18%CPU
11.2 GBMemory
83%Disk
2.4 MB/sNetwork
Privacy-first
Designed around privacy and transparency.
Your files stay yours.
Fast scanning
Map your disk without the wait.
Native and lightweight
Built for macOS, light on resources.
Native macOSLightweightSwift 6.0
Offline-friendly
Works offline where possible.
No account needed to scanZero telemetry
Full Architecture Catalog
35 native modules categorized across storage intelligence, developer toolchains, and low-level POSIX controls.
Free Starter Utilities
FREE FOREVEREssential inspection tools that every macOS developer needs on a daily basis.
Direct APFS Syscall
Storage Analyzer & Volumes
APFS clone-aware volume breakdown and space allocation without indexing delays.
Native Swift Implementation
> 500 MB Filter
Large Files Finder
Discover multi-gigabyte files, stale disk images (.dmg), and large archives.
Native Swift Implementation
4-Segment Socket Audit
Port & Cloud Session Manager
Audit local web dev listeners (TCP + HTTP/3 QUIC), active AWS EC2 instances, AWS SSM sessions, and SSH tunnels with 0.0.0.0 exposure warnings.
Native Swift Implementation
mach_host API
System & Core Monitor
Real-time Apple Silicon P-Core/E-Core telemetry, live Bézier CPU/RAM waveforms, and thermals.
Native Swift Implementation
Universal Socket Engine
Universal Container & Docker Companion
Full lifecycle orchestration (start, stop, pause, restart, live tail logs) across Docker Desktop, OrbStack, Colima, Podman, and Rancher Desktop with zero Electron overhead.
Native Swift Implementation
Direct Support API
In-App Help & Feedback Center
Direct native support hub outside Settings. File bug reports with safe diagnostics, request features, and receive updates.
Native Swift Implementation
Mach-O & TCC Audit
App Architecture & Privacy Inspector
Inspects Mach-O binary architectures (Native Apple Silicon arm64, Intel x86_64, Universal), code signature status, and TCC permissions.
Native Swift Implementation
Storage Intelligence & Pro Cleaning
PRO UTILITIESNext-generation APFS native storage intelligence engineered to reclaim hidden space safely.
Darwin clonefile(2)
APFS Copy-on-Write Deduplicator
Instant zero-cost deduplication using Darwin clonefile(2). Shares identical physical disk blocks so files remain accessible at original paths while freeing gigabytes.
Native Swift Implementation
tmutil & fsctl
Time Machine APFS Snapshot Pruner
Discovers and prunes silent local APFS snapshots generated automatically by macOS during backups or updates that secretly lock up 20–80 GB of disk space.
Native Swift Implementation
APFS Volume Mapping
Visual Storage Allocation Bar
Apple-style categorized disk segmenter showing Apps, Developer, macOS System, Media/Documents, and Free APFS space with 1-click drill-down.
Native Swift Implementation
evictUbiquitousItem
Cloud-Hybrid Dataless File Guard
Detects dataless stubs vs pinned files across iCloud, OneDrive, Dropbox & Google Drive. Prevents download storms and enables 1-click cloud eviction.
Native Swift Implementation
SIP & DB Protected
6-Tier Safety & Restriction Taxonomy
Granular risk auditing protecting SIP files, App Sandbox bundles, Code Signatures, and Database locks. Guarantees photos and personal files are 100% unrestricted.
Native Swift Implementation
Dissect-grade Treemap
Squarified Treemap & Small Items Shelf
Interactive visual block map with zoom transitions into deep directories, plus a dedicated Small Items Shelf to safely bundle thousands of tiny scattered files.
Native Swift Implementation
Zero-Stall Remnants
Symlink-Safe App & Leftover Hunter
Traverses 14 system locations with symlink loop protection (URLResourceKey.isSymbolicLinkKey) and pre-flight helper process termination to eliminate leftovers in <200ms.
Native Swift Implementation
Progressive SHA-256
Progressive Multi-Tier Duplicate Hashing
Ultra-fast 3-tier matching: Size Pre-Filter ➔ 4KB Header Hash ➔ Full SHA-256. Intelligent auto-selection rules ensuring personal documents are never auto-selected.
Native Swift Implementation
Stale-Aware Tiering
Smart Clean Engine & Stale-Aware Cache Eviction
Eliminates post-cleanup app stuttering by retaining active caches (< 48 hours) for Slack, Chrome, and IDEs, while purging dormant junk (> 7 days).
Native Swift Implementation
Bundle ID Cross-Audit
Orphaned Preference (.plist) Hunter
Deeply scans ~/Library/Preferences and cross-references active bundle IDs against /Applications to detect dead preference files left behind by uninstalled software.
Native Swift Implementation
Dynamic Health Grade
System Health Grade Radar (A+ to C)
Real-time diagnostic health scoring evaluating total disk bloat, dormant junk ratio, and orphan presence. Issues actionable recommendations with an immutable audit log.
Native Swift Implementation
Developer Toolchain Suite
PRO DEVELOPERDedicated cleanup modules for Git workspaces, Xcode, Local AI, Docker, and modern build environments.
Target-Aware Git Guard
Git Safety Intelligence & Safe Cleanup Engine
Automated repo discovery across development paths. Calculates real-time safety scores. Strictly protects .git/ metadata and locks cleanup during active rebases or merges.
Native Swift Implementation
GGUF / Safetensors
Local AI & GGUF Model Registry
Auto-detects models across Ollama, LM Studio, Hugging Face Hub, Apple MLX, and ComfyUI. Parses binary GGUF headers to reveal architecture, parameter count, and quantization.
Native Swift Implementation
Cross-Hub Registry
Cross-Hub Model Duplicate Finder
Flags redundant multi-gigabyte LLM model weights stored simultaneously across different hub folders like Ollama and LM Studio.
Native Swift Implementation
Xcode CLI Direct
Xcode Simulators & DeviceSupport
Prunes orphaned iOS/watchOS/tvOS simulators with xcrun simctl delete unavailable and cleans legacy DeviceSupport symbol caches.
Native Swift Implementation
APFS Sparse & Engine Direct
APFS Sparse Virtual Disk & Bloat Reclaim
APFS hole-punching telemetry for Docker.raw and diffdisk, 1-click BuildKit cache and dangling image pruning, and protected volume reclamation.
Native Swift Implementation
Safe Re-fetchable
Modern Package Stores (pnpm, Cargo, Go)
Runs pnpm store prune, clears Cargo target build caches, Go module caches (go clean -cache), and npm/yarn tarballs safely.
Native Swift Implementation
15GB–50GB Avg Gain
Xcode DerivedData Reclaimer
Safely wrings out tens of gigabytes from ~/Library/Developer/Xcode/DerivedData and simulator runtimes.
Native Swift Implementation
Multi-Project Finder
Orphaned node_modules Scanner
Traverses your workspace trees to locate abandoned node_modules folders in unmaintained git branches.
Native Swift Implementation
Search Grammar AST
7-Year Developer Search Grammar & AST Filters
Filter thousands of repositories with specialized search grammar: size:>1GB, git:clean, git:dirty, git:unpushed, sdk:swift, and stale:>30d.
Native Swift Implementation
Process & System Control
PRO CONTROLLow-level system governance without kernel extensions or unsafe third-party drivers.
Process Group Reaping
Process Tree Port Killer
Reaps parent shell processes (zsh ➔ npm ➔ next-server) with SIGTERM to prevent orphaned zombie listeners.
Native Swift Implementation
QoS Throttling
Process Tree & E-Core Deprioritization
Inspect parent-child execution lineages and deprioritize CPU-heavy background tasks to Apple Silicon Efficiency Cores using POSIX QoS throttling.
Native Swift Implementation
/Library/LaunchAgents
Startup & Background Daemons
Inspect and toggle LaunchAgents, LaunchDaemons, and login items that slow down system boot.
Native Swift Implementation
< 15MB RAM
Menu Bar Quick Monitor
Ultra-lean menu bar companion displaying active dev ports, CPU load, and free disk space in real-time.
Native Swift Implementation
AWS & SSH Inspector
AWS EC2 & Cloud Tunnel Topology
Discovers active EC2 connections, AWS SSM sessions, and SSH tunnels (-L/-R/-D) via Darwin KERN_PROCARGS2 with instance ID attribution.
Native Swift Implementation
POSIX AF_UNIX Liveliness
UNIX Domain Socket Pruner
Tests socket liveness via non-blocking POSIX connect() and prunes dead /var/run/docker.sock or postgres.5432 lock files with 1 click.
Native Swift Implementation
P-Core / E-Core Radar
Apple Silicon Core Topology & Thermals
Direct Darwin mach_host and libproc telemetry distinguishing Performance Cores from Efficiency Cores. Tracks unified memory pressure and thermal throttling.
Native Swift Implementation