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Trial Radar
Cancel free trials and subscriptions before they charge
Finds free trials and subscriptions in the emails you already have, warns you 7 days before a charge, and opens the right cancel page in one click. Everything is processed locally in your browser: no backend, no account, no telemetry. Free.
Hey Product Hunt! I’m Vlad, the solo maker of Trial Radar.
Free trials turn into charges simply because nobody keeps cancel dates in their head. After losing that game enough times, I built an extension that tracks those dates right in Gmail, where your receipts already live.
Trial Radar scans your existing emails for trials and renewals, then puts a counter on your toolbar for anything charging in the next seven days. When you click to cancel, it first checks an open CC0 dataset on GitHub with 20 supported services, falls back to the unsubscribe link in the email, or drafts a cancellation email for you.
Above all, I wanted to make sure your mail never leaves your device. The extension runs without a backend, user accounts, or telemetry, and I enforced this at the code level rather than just promising it. A build-time guard checks the source and fails the build if any file tries to connect anywhere other than mail.google.com. Locally, it only saves the service name, amount, and date, while ignoring the raw email text.
Version 0.1.0 is free on the Chrome Web Store right now. It will definitely miss some tricky emails at first, so please tell me when it does. I’d love to know what it caught for you, what slipped through, and which service I should add next.
About Trial Radar on Product Hunt
“Cancel free trials and subscriptions before they charge”
Trial Radar was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #382 on the daily leaderboard. Finds free trials and subscriptions in the emails you already have, warns you 7 days before a charge, and opens the right cancel page in one click. Everything is processed locally in your browser: no backend, no account, no telemetry. Free.
On the analytics side, Trial Radar competes within Chrome Extensions, Productivity and Personal Finance — topics that collectively have 720.8k followers on Product Hunt. The dashboard above tracks how Trial Radar performed against the three products that launched closest to it on the same day.
Who hunted Trial Radar?
Trial Radar was hunted by Vlad Kovnerov. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Trial Radar including community comment highlights and product details, visit the product overview.
Vlad Kovnerov
Hey Product Hunt! I’m Vlad, the solo maker of Trial Radar.
Free trials turn into charges simply because nobody keeps cancel dates in their head. After losing that game enough times, I built an extension that tracks those dates right in Gmail, where your receipts already live.
Trial Radar scans your existing emails for trials and renewals, then puts a counter on your toolbar for anything charging in the next seven days. When you click to cancel, it first checks an open CC0 dataset on GitHub with 20 supported services, falls back to the unsubscribe link in the email, or drafts a cancellation email for you.
Above all, I wanted to make sure your mail never leaves your device. The extension runs without a backend, user accounts, or telemetry, and I enforced this at the code level rather than just promising it. A build-time guard checks the source and fails the build if any file tries to connect anywhere other than mail.google.com. Locally, it only saves the service name, amount, and date, while ignoring the raw email text.
Version 0.1.0 is free on the Chrome Web Store right now. It will definitely miss some tricky emails at first, so please tell me when it does. I’d love to know what it caught for you, what slipped through, and which service I should add next.