Take Control of Your Subscriptions. Before They Control You.
The average person loses hundreds of dollars a year to forgotten trials and stealth price hikes. Sentinel stops that with on-device AI tracking — 100% private, zero cloud sync, beautifully native to Apple.
You haven't opened HBO Max in 42 days. Cancel or pause to save $179.88/yr.
Pre-Configured & Auto-Detected for 1,000+ Services Worldwide
Subscription Fatigue is Real. Sentinel is the Antidote.
Most people underestimate their monthly subscription spend by more than 2.5x. Here is how Sentinel protects your hard-earned money.
The Chaos Without Sentinel
Money leaking every billing cycle
Silent Auto-Renewals
Free trials and annual plans renew silently in the background, leaving you with unexpected $50–$150 bank charges.
Duplicate & Overlapping Tools
Paying for iCloud and Dropbox, or Spotify and Apple Music simultaneously without realizing the redundancy.
Intrusive Bank-Linking Apps
Traditional budgeting apps force you to surrender online banking credentials and monetize your personal financial history.
Total Clarity With Sentinel
Proactive intelligence & complete peace of mind
On-Device AI Guardian
Sentinel's neural engine analyzes your active stack to detect unused memberships, duplicate software, and impending price jumps.
Timely Renewal Shields
Get intelligent countdown alerts 3 days, 24 hours, or the morning before charges hit. Pause or cancel before your card is tapped.
True Apple-Grade Privacy
Zero bank credentials required. All calculations run strictly on your Apple Silicon chip. Your money stays entirely confidential.
Smart Insights That Think Like a Personal Financial CFO
Raw data is overwhelming. Sentinel analyzes your habits and gives you direct, actionable recommendations to keep more money in your bank account.
Duplicate Cloud Backup Services
You are paying $9.99/mo for iCloud 2TB and $9.99/mo for Dropbox Plus. Both services are backing up your photo library simultaneously. Canceling Dropbox frees up $10/mo with zero storage loss.
Experience Sentinel's Interface Right Now
Click through this live interactive simulation to see how Sentinel organizes renewals and surfaces hidden savings.
Built Like an Apple Original. Supercharged with AI.
Every feature is crafted to give you total command over your recurring cashflow without lifting a finger.
AI Finds Hidden Money Leaks
Sentinel doesn't just display numbers; it evaluates your subscription behavior. It spots duplicate services, unannounced price hikes, and unused memberships, delivering actionable suggestions directly to your dashboard.
Zero Manual Entry Needed
Snap a photo of an invoice or share a receipt email directly into Sentinel using the native iOS Share Sheet. The service, price, and renewal date are captured instantly.
Your Subscription Calendar
Never wonder when your card will be charged. Sentinel maps every renewal onto a color-coded calendar with daily, weekly, and monthly views.
Alerts Before Charges Hit
Configurable notifications alert you 3 days, 1 day, or hours before an auto-renewal. Live Activities keep imminent renewals right on your Lock Screen.
Export Professional Reports
Need to file tax deductions or expense software to your employer? Export clean, categorized PDF and CSV reports with a single tap.
See How Much Cash You Are Leaving On The Table
Adjust the sliders below to discover your estimated annual savings when Sentinel eliminates your forgotten auto-renewals.
7-Day Free Trial · Cancel Anytime in Apple Settings
Designed Exclusively for Apple Platforms
Sentinel is not an electron wrapper or webview port. It is 100% native SwiftUI, engineered for Apple Silicon performance, battery efficiency, and privacy.
iPhone
Dynamic Island, Live Activities, ProMotion 120Hz, Haptic Feedback
iPad
Multi-column split view, Apple Pencil navigation, Sidebar layouts
Mac
Native Apple Silicon M-series app, Keyboard shortcuts, Menu bar
Interactive Home Screen Widgets
Glance at your monthly total and upcoming renewals without opening the app. Small, Medium, and Large widgets with auto-refresh.
Live Activities & Dynamic Island
Urgent renewals show a real-time countdown on your Lock Screen and expandable Dynamic Island before your card is charged.
iOS Share Sheet Extension
Tap 'Share' on any invoice receipt in Mail, Safari, or Photos to auto-add subscriptions into Sentinel within two seconds.
Apple Family Sharing
Sentinel Pro supports Apple Family Sharing. Upgrade once and protect your entire family’s subscription budget (up to 5 people).
Pixel-Perfect Precision. Designed for iOS & iPadOS.
Explore the authentic app screenshots taken directly from Sentinel on iOS and iPadOS.
AI Finds Hidden Money Leaks
Spot unused subscriptions & duplicated cloud tiers instantly
All Subscriptions In One Place
Every renewal, monthly burn & due date always visible
Added Automatically
Scan receipts, import spreadsheets or share invoices via Share Sheet
Smart Alerts Before Charges Hit
Know exactly what's renewing day by day with customizable reminders
Stop Overpaying On Subscriptions
AI spots waste and tells you exactly what to cancel or pause
See Where Your Money Goes
Weekly, monthly & yearly spending analytics at a single glance
Your Subscription Calendar
Every upcoming charge mapped to the day with color-coded badges
1,000+ Services Auto-Detected
Popular streaming, software & memberships ready in seconds
Export Professional Reports
Share tax-deductible PDF or CSV reports with your accountant
iPad Pro Large Canvas
Multi-column split view and sidebar designed for iPadOS
iPad AI Recommendations
Deep analytics view for personal and business recurring spend
Your Money. Your Device. Your Business.
Unlike other finance apps that sell your data to credit bureaus and brokers, Sentinel was architected from line one to keep your financial life completely private.
No Cloud Servers
Sentinel has no database servers collecting your financial habits. Your data lives exclusively in local Apple CoreData.
Zero Bank Logins
Never hand over your bank password or credentials to third-party scrapers. You retain 100% control over what you track.
Encrypted On-Device
Protected by iOS hardware-level Data Protection and biometric Face ID/Touch ID authentication.
Local Neural Processing
AI insights run right on your Apple Silicon Neural Engine. No subscription data is ever sent to external LLMs.
Sentinel vs Traditional Budget & Tracker Apps
Invest a Coffee. Save Hundreds Every Year.
Sentinel pays for itself the first time it prevents an unwanted auto-renewal or spots an unused subscription.
Sentinel Free
EssentialPerfect for anyone wanting a simple, private offline tracker for their core subscriptions.
Sentinel Pro ALL ACCESS
Full AI spending intelligence, receipt OCR extraction, widgets, Live Activities & Family Sharing.
Real Reviews. Real Money Saved.
See how early subscribers are using Sentinel to stop subscription creep.
“The fact that it runs 100% on-device with zero server sync was an instant buy for me. I hate linking Plaid to random apps. Sentinel found an old AWS tier I forgot to cancel and saved me $48 a month.”
“The UI looks and feels like it came straight out of Apple Park. The Dynamic Island countdown for renewals is brilliant. The PDF export took 10 seconds and my accountant had everything for tax write-offs.”
“I was paying for Netflix 4K, Disney+, Hulu, and HBO Max at the same time. Sentinel’s AI flagged that 3 of them were inactive. Cancelled two of them in minutes. Already saved over $300 this year.”
Frequently Asked Questions
Everything you need to know about Sentinel's features, privacy, and pricing.
Stop Paying for Subscriptions You Forgot You Had.
Download Sentinel on your iPhone, iPad, or Mac and uncover your true recurring spend in under 60 seconds.