StorageSage is the native macOS disk cleaner and storage visualizer for developers, creators, and power users. Powered by a kernel-level BSD fts scanner, it audits APFS volumes up to 55× faster to uncover Xcode DerivedData, stale node_modules, Rust target builds, Python virtual environments, and Docker layers. Using Tri-Window + SHA-256 cryptographic hashing, StorageSage eliminates duplicate files with zero false positives, thins APFS local snapshots without rebooting, and protects system integrity via hardcoded SIP guardrails. Available with a free 500 MB demo or a $10/year Pro Annual subscription with a 7-day offline grace period and 100% on-device privacy.
Optimized for macOS Sequoia & Apple Silicon (M1–M4)
Supercharged Storage.Built for Mac.
Index 1M+ files in seconds with BSD fts, wipe cryptographic duplicates, purge APFS snapshots, and reclaim 80+ GB — with 100% on-device privacy and instant Trash undo.
Just $0.83/month · Instant Email License Key · 7-Day Offline Grace
StorageSage — Quantum APFS DashboardSIP Protected
FDA OK
Quantum APFS Telemetry55.3× Faster Scan
247.8 GB Free
Macintosh HD · 80.8 GB safely reclaimable across caches, duplicates & snapshots
Connected APFS Volumes: Macintosh HD (Boot) · Creator_SSD (External)Click any Dock icon on the left to explore modules
Know exactly where your storage went.
Macintosh HD
APFS Volume
247.8 GB
Available of 1 TB
macOS System
0.0 GBScanned Files
0.0 GBOther Data
0.0 GBPurgeableReclaimable
0.0 GBFree Space
0.0 GBStorageSage maps every byte on your APFS volume. See exactly what's consuming your disk — from sealed system snapshots to purgeable Time Machine deltas — with a single click.
Your Mac, at a glance.
Scan Complete
247.8 GB
Total scanned storage
14.2s
Scan Time
1.2M
Files Indexed
File Categories
Documents Media Apps Other
23
Smart cleanup candidates found
Today, 9:41 AM
Last full disk scan completed
Connected Drives
2 VolumesMacintosh HD
APFS • 247.8 GB free
Backup Drive ⏏
ExFAT • 1.2 TB free
47 duplicate groups
2.3 GB of reclaimable space
Review
Data Browser. Redefined.
A powerful list view perfectly synced with a squarified treemap. Drill down, sort, and find space hogs instantly.
Macintosh HDUsers
Search
Name
Size
Kind
Modified
Library
42.1 GB
Folder
Today
Downloads
18.4 GB
Folder
Today
Documents
12.8 GB
Folder
Today
Developer
9.6 GB
Folder
Today
Applications
6.2 GB
Folder
Today
Design_Assets.psd
2.4 GB
Image
Today
node_modules
1.2 GB
Folder
Today
Backup_2026.zip
950 MB
Archive
Today
Analytics.csv
840 MB
Document
Today
Storage Heatmap9 Items
94.5 GB Total
Library
42.1 GB • 45%
Application Support
24.5 GB
Caches
12.3 GB
Downloads
19%18.4 GB
Documents
14%12.8 GB
Developer
9.6 GB • 10%
Apps
6.2 GB • 7%
Design_Assets2.4 GB
node_modules1.2 GB
Other1.8 GB
Cryptographic Proof
Find true duplicates.
Not just same names.
Phase 1: Size Filter
Instantly groups 1,247 files by exact byte size. Free in-memory operation.
Phase 2: Partial Hash
Computes 16KB header hashes for 89 matching groups. Fast pre-filter.
Phase 3: SHA-256
Full cryptographic hashing verifies 47 true identical duplicates.
0duplicate
groups found
groups found
2.3 GB reclaimable space
Pro Feature: One-Click Cleanup
124.5 GB
Free Space
122.2 GB
Free Space
Deep App Uninstaller.
Dragging an app to the Trash leaves gigabytes of hidden files behind. StorageSage hunts down every piece.
Main Bundle
/Applications/Slack.app
148 MB
App Support
~/Library/Application Support/Slack/
32 MB
Caches
~/Library/Caches/com.tinyspeck...
245 MB
Preferences
~/Library/Preferences/com.tinyspeck...
12 KB
Saved State
~/Library/Saved Application State/...
4 MB
Containers
~/Library/Containers/...
18 MB
Group Containers
~/Library/Group Containers/...
8 MB
Launch Agents
~/Library/LaunchAgents/...
4 KB
Leftover Orphan Hunter
Automatically detects and purges abandoned caches and containers from apps you deleted months ago.
847 MB
Reclaimable
System Data. Demystified.
That mysterious 'System Data' eating 80 GB of your disk? StorageSage breaks it down — APFS local snapshots consuming 34 GB of purgeable space. Bloated 4K aerial screensaver videos caching 12 GB of HDR footage. Diagnostic crash reports piling up for months. Developer runtimes from three Xcode versions ago. StorageSage identifies, explains, and safely reclaims every byte.
APFS Snapshot Thinning
Purge 10–80 GB of local Time Machine snapshots
Aerial Screensaver Cache
Clear cached 4K HDR videos
Diagnostic Logs
Prune months of crash reports
Developer Runtimes
Remove old Xcode simulators & SDKs
System Caches
Safely clean system-level caches
Protected Assets
SIP-protected system files clearly labeled (never touched)
Built for developers.
user@macbook-pro:~
➜~du -sh developer_bloat/*
12.4G node_modules
8.7G DerivedData
3.2G .gradle/caches
5.1G target/
➜~_
Projects not opened in 30+ days
node_modules
12.4 GB
47 stale projects with npm dependencies
DerivedData
8.7 GB
Xcode build caches from 6 months ago
.gradle/caches
3.2 GB
Android build artifacts
target/
5.1 GB
Rust compilation outputs
Apple Intelligence Style
Ask Sage.
Get Answers.
Not sure what a file does? Ask Sage to analyze unfamiliar folders and generate safe cleanup advice using advanced AI models.
AI-powered folder explanations via OpenRouter
API key stored in macOS Keychain (never UserDefaults)
Natural language to organization rules
3 free lookups included, unlimited with Pro
How to connect your OpenRouter API key▼
1Visit openrouter.ai/keys and generate your free personal API key.
2Open StorageSage on your Mac → navigate to Settings → AI Assistant.
3Paste your key. It is saved directly to your encrypted macOS Keychain — never sent to our servers.
4Select your preferred model (Claude 3.5 Sonnet, Haiku, or Gemini 1.5) and start asking Sage about any directory.
⚠ AI Accuracy & Privacy Disclaimer▼
Folder analysis and safe cleanup recommendations are AI-generated suggestions provided for reference only. StorageSage enforces strict local SIP protections and never modifies or deletes files without your explicit confirmation. Your local file paths and queries are sent only to OpenRouter via your personal API key under zero retention.
What is ~/Library/Application Support/CloudDocs?
This is Apple's iCloud Drive sync container. It stores local copies of your iCloud documents.
SIZE
4.7 GB
SAFE TO CLEAN?
Only old offline caches. The synced originals remain safe in iCloud.
Rule Configuration
IFextension = .dmg, .pkg, .zip
ANDage > 30 days
ANDsize > 100 MB
THENMove to → ~/Trash
Set rules.
Let Sage handle it.
Automated Rule Execution
Flexible Filters
Filter files by exact extension, file category, size, or modification age.
Dry-Run Preview
Preview exactly which files will be moved before execution.
AI Generation
Convert plain English into robust rules. "Clean up old downloads bigger than 100MB"
Batch Application
Apply rules across thousands of files simultaneously.
Zero-Risk Architecture
Clean with zero anxiety.
Every action is reversible.
No blind deletions. StorageSage records an immutable cryptographic audit trail of every byte moved. Made a mistake? Restore any file to its exact original path with one click.
Audit Trail & Safe Recoveryaudit_journal.db • SQLite
TXN-9842Purged Duplicate MediaDuplicates
~/Downloads/4K_Raw_Exports/*.mov
2 mins ago•14 items•sha256:7f83b1657ff1fc53b92dc181...
4.8 GB
In Quarantine
TXN-9841Deep App Removal: Slack.appApp Uninstaller
~/Library/Containers/com.tinyspeck.slackmacgap
18 mins ago•68 items•sha256:3a4b9c1d02e88f2195bc764a...
842 MB
In Quarantine
TXN-9840Stale Xcode DerivedDataDeveloper
~/Library/Developer/Xcode/DerivedData/*
1 hour ago•4120 items•sha256:d9b23f81e3a4726c04f128bc...
16.4 GB
Restored
Restored
Real-time audit journal enabledFull TCC & System Integrity Protection (SIP) Enforced
Cryptographic Audit Trail
Every single scan, quarantine, and cleanup generates an immutable local SQLite log with original file paths, hashes, and permissions.
1-Click Instant Undo
Deleted a duplicate or cache you later realized you needed? One click restores all quarantined files back to their exact original directories.
Staged Quarantine Safety
Files are never permanently deleted immediately. They sit in a protected safety staging area until you manually choose to empty it.
Your data is yours.
It never leaves your Mac.
StorageSage is a native macOS application that respects Apple's sandboxing and TCC (Transparency, Consent, and Control) mechanisms with zero background telemetry.
Hardened Runtime & TCC
StorageSage runs under macOS Hardened Runtime and only scans folders you explicitly authorize.
Read-Only System Safety
System volumes (/System, /usr, sealed snapshots) are hardcoded in SafetyGuard.swift and never modified.
macOS Keychain Encrypted
Your Pro license key and optional OpenRouter API key are stored exclusively in macOS Keychain.
Instant Email License Key Delivery
Simple pricing.
Start for free. Upgrade to StorageSage Pro Annual for just $10/year — with instant license key delivery to your email.
Basic
Complete disk visualization & starter cleanup.
$0/ forever
Download Free (.dmg)Unlimited APFS disk indexing (`fts` engine)
Interactive squarified treemap & browser
500 MB free cleanup allowance
3 free AI “Ask Sage” folder lookups
No automated organization rules
No one-click bulk duplicate & developer cleanup
macOS 14 Sonoma & macOS 15 Sequoia · Apple Silicon & Intel
MOST POPULAR
Pro Annual
SAGE-PROSupercharge your Mac's storage. Instant key delivery via email.
$10/ year
Everything in Basic + unlimited cleanup volume
One-click SHA-256 duplicate cleanup
Developer Space Reclaimer (
node_modules, Xcode)APFS snapshot thinning & Deep App Uninstaller
Unlimited automation rules & AI folder queries
Signed offline-capable key · 7-day offline grace
Instant email delivery · 30-day money-back guarantee · Cancel anytime
Already received your key by email?
Paste your
SAGE-PRO-... license key to activate directly in the Mac app. Verified Apple Silicon Benchmarks
Engineered in C & Swift. Zero Electron bloat.
StorageSage bypasses slow high-level wrappers and talks directly to Darwin/POSIX kernel APIs (`fts_open`, `pread`, `lstat`) for instant responsiveness.
55.3×
Faster Directory Scan
BSD fts_open / fts_read kernel traversal vs. Foundation FileManager enumerator
79.7×
Faster Snapshot Parsing
Lock-free O(1) civil-calendar APFS local snapshot parser
24.3×
Faster Rule Evaluation
Category-bucketed pre-compiled bytecode RuleEngine
14.7×
Faster Dev Artifact Audit
Two-phase POSIX repo discovery + multi-core fts physical block sizing
Side-by-Side Comparison
How StorageSage compares.
Purpose-built for developers and power users who want deep visibility, cryptographic accuracy, and complete undo safety at a fraction of the price.
| Capability | StorageSage Pro ($10/yr) | CleanMyMac ($39.95/yr) | DaisyDisk ($9.99) |
|---|---|---|---|
| Kernel-Level BSD fts Scanner | ✅ 55.3× faster (O(1) tree build) | ⚠️ Proprietary daemon | ✅ Fast visual scan |
| Developer Cache Reclaimer (Xcode, node_modules, Cargo, .venv) | ✅ Git-aware + rebuild hints | ⚠️ Basic Xcode cache only | ❌ Manual hunting |
| Cryptographic Duplicate Detection | ✅ Tri-Window pread + SHA-256 | ✅ Standard hash | ❌ None |
| APFS Local Snapshot Thinning & Purge | ✅ 1-click thin (no reboot) | ⚠️ Hidden in maintenance | ⚠️ View-only purgeable space |
| Interactive Squarified Treemap + Split Table | ✅ Synced Table + Treemap | ❌ Space Lens bubbles only | ✅ Sunburst chart |
| On-Demand AI Folder Explainer ("Ask Sage") | ✅ Local KB + BYO OpenRouter key | ❌ None | ❌ None |
| Automated Organization Rules with Dry-Run Preview | ✅ Pre-compiled bytecode rules | ❌ None | ❌ None |
| Immutable Audit Log (audit.ndjson) + 1-Click Undo | ✅ Collision-safe Put Back | ❌ Permanent deletion | ❌ Permanent deletion |
| Background Daemons & Telemetry | ✅ Zero daemons · Zero telemetry | ❌ Heavy background agent | ✅ No background agent |
| Annual Price | $10 / year (Up to 3 Macs) | $39.95 / year (1 Mac) | $9.99 (Scanner only) |
Frequently Asked Questions
Everything you need to know.
Direct answers on licensing, offline usage, SIP safety protection, and developer workflows.
How does the StorageSage $10/year subscription work?▼
StorageSage Pro is billed annually at $10/year (equivalent to $0.83/month). As soon as you subscribe, you receive a cryptographically signed license key (SAGE-PRO-XXXX-XXXX-HMAC) and a 1-click activation link by email. It unlocks unlimited disk cleaning, SHA-256 duplicate removal, Developer Space Reclaimer, APFS snapshot thinning, automated organization rules, and AI folder explanations on up to 3 personal Macs.
Does StorageSage require a continuous internet connection?▼
No. StorageSage verifies your license key using a 20-bit HMAC-SHA256 cryptographic signature and includes a 7-day offline grace period. All directory scanning, SHA-256 duplicate detection, and cleanup actions run 100% locally on your Mac with zero cloud dependency.
How does 1-click deep link activation work?▼
When you purchase StorageSage Pro, your confirmation page and email include an "Open & Activate in StorageSage" button (storagesage://activate?key=...). Clicking that button launches StorageSage on your Mac, validates your key, and stores it securely in your macOS Keychain automatically.
Will StorageSage ever delete protected macOS system files?▼
Never. StorageSage enforces hardcoded system integrity checks in SafetyGuard.swift that block /System, /usr, /bin, /sbin, /private/var/vm, and sealed APFS snapshots. Furthermore, cleaned files are moved to the macOS Trash and logged to ~/Library/Application Support/StorageSage/audit.ndjson so every action can be undone in one click.
What is the best macOS disk cleaner for developers in 2026?▼
StorageSage is purpose-built for software engineers and creators on macOS. Its Developer Space Reclaimer uses a two-phase POSIX repository scanner to find stale node_modules, Xcode DerivedData, iOS Simulator runtimes, Rust Cargo target directories, Python .venv environments, and Homebrew caches—displaying the active Git branch, days inactive, and exact CLI rebuild command before you clean.
How does StorageSage compare to CleanMyMac and DaisyDisk?▼
Unlike CleanMyMac ($39.95/year), StorageSage costs $10/year, installs zero background menu-bar daemons, collects zero telemetry, and provides developer-focused tools like Git-aware artifact cleaning, pre-compiled organization rules, and an immutable undo audit log. Unlike DaisyDisk (which only visualizes folders), StorageSage includes tri-window SHA-256 duplicate detection, automated batch rules, APFS local snapshot thinning, a deep App Uninstaller, and AI-powered folder explanations.
What is the StorageSage refund policy?▼
All direct StorageSage Pro orders include an unconditional 30-day money-back guarantee. If StorageSage does not help you reclaim substantial disk space or meet your expectations, reply to your license email within 30 days for a full refund.