BillSensor - SaaS Billing Monitor

Never miss a SaaS renewal. Gmail and Outlook, 90 tools. Emails you 7 days before a charge. Free account required.

Never get surprised by an unexpected SaaS renewal charge again. BillSensor reads billing emails as you open them in Gmail, scans Outlook automatically if you connect it, and emails you 7 days before a renewal charge hits. A free BillSensor account is required. Browser alerts only fire while Chrome is open, and a renewal doesn't wait for that — the account is how the warning reaches you either way. It's an email address and a password: no Google sign-in, no inbox access. 🔍 WHAT IT DOES Reads SaaS billing emails in Gmail as you open them — nothing runs in the background Supports multiple Gmail accounts simultaneously (u/0, u/1, u/2) Connects to Outlook / Microsoft 365 via secure read-only OAuth to scan your inbox history automatically Covers 90 popular SaaS tools known for surprise billing and dark patterns Emails you 7 days before a renewal charge, and again 3 days before (Pro & Business) Detects price increases and flags charges 20%+ higher than expected (Pro & Business) Post-cancellation monitoring — alerts you if a tool charges you after you've cancelled (Pro & Business) Shows a dark pattern score for rated tools, so you know which companies make it hard to cancel or get a refund Provides a direct cancel link for every detected subscription Asks when a free trial ends, so a trial that converted doesn't sit in your list as free Detects amounts in USD, EUR, GBP, INR and other major currencies, shown in the currency you were billed Lets you manually add subscriptions that aren't auto-detected Works on Chrome, Edge, Brave, Opera and all Chromium-based browsers 🔒 PRIVACY Gmail detection happens entirely in your browser — email content is never sent to our servers No Google sign-in and no Gmail inbox access. BillSensor reads the page you already have open, the same way you're reading it Your BillSensor account is just an email address and a password, used to send your alerts and save what we find Outlook scanning is processed securely on our servers — email body content is never stored, only subscription name, amount and renewal date Strictly read-only. BillSensor cannot send, delete or modify any emails 💰 PRICING Free — No credit card required Unlimited subscription detection in Gmail Email renewal alerts 7 days ahead on your 5 lowest-cost subscriptions Dark pattern scores and cancel links for 3 of them Up to 5 manually added subscriptions Outlook / Microsoft 365 connected scan (12-month history) Pro — $9/month Everything in Free Unlimited subscriptions with full dark pattern scores and cancel links Unlimited email alerts, no 5-subscription cap A second warning 3 days before each charge Outlook daily auto re-scan — new emails checked automatically every day Price increase and anomaly detection with email alerts Post-cancellation monitoring with email alerts Full billing history Cancellation records — downloadable proof with timestamp Cloud sync and multi-device support Business — $29/month Everything in Pro, per member Up to 10 seats (admin included) Admin dashboard with every member's subscriptions, spend and next renewal Works across members on Gmail and Outlook alike Priority support All paid plans include a 7-day free trial and a 14-day unconditional money-back guarantee. Cancel anytime in one click. 🎯 BUILT FOR Freelancers, solopreneurs, small businesses and digital agencies who pay for multiple SaaS tools and want to stop being overcharged, auto-renewed, or silently upgraded without consent. ⚠️ WHY THIS MATTERS SaaS companies have turned dark billing into a revenue strategy: Charges that continue after cancellation Silent plan upgrades when you add a team member Renewal emails buried in promotional folders Cancellation flows with 8 steps and a hold time Annual plans auto-renewed without a reminder Prices quietly raised without notification BillSensor reads the billing emails you open, scans Outlook if you connect it, and gives you advance warning before you're charged — and tells you when something doesn't look right. 🛠️ HOW IT WORKS Gmail: Install BillSensor and create a free account — one email address, no card Open Gmail and read your email as normal When you open a billing email, BillSensor recognises it on the page The subscription is saved with the tool name, amount and next charge date We email you 7 days before it renews Tip: open last month's receipts and they'll appear straight away. Nothing is found until you open it. Outlook / Microsoft 365 (connected scan): Open BillSensor, click Connect Outlook Approve read-only access — BillSensor scans your last 12 months of emails All billing subscriptions are detected and added automatically Free users can re-scan manually anytime; Pro and Business scan daily in the background 📋 SUPPORTED TOOLS Covers 90 popular SaaS tools, 68 of them scored for cancellation difficulty. See the full list at billsensor.com/page/supported-tools 🔔 ALERT TYPES Renewal alert — 7 days before a subscription renews, and again at 3 days (Pro & Business) Trial follow-up — after a free trial ends, so a converted trial doesn't stay listed as free Price increase alert — when a tool charges more than last time (Pro & Business) Anomaly alert — when a charge is 20%+ higher than expected (Pro & Business) Cancellation check — before a cancelled subscription's original renewal date (Pro & Business) Post-cancellation charge alert — immediate alert if charged after cancellation (Pro & Business) Payments processed by Paddle. BillSensor is a product of Pratyasha Fashion Galaxy OPC Private Limited, registered in India.