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Gmail billing and receipt messages are scanned locally to find subscription price changes. Gmail Subscription Price Watcher helps you find recurring subscriptions and possible price increases from Gmail billing and receipt emails. It scans Gmail receipt and billing messages locally in your browser, detects subscription candidates, and lets you confirm, ignore, edit, or manually add subscriptions. Confirmed subscriptions can be tracked with monthly and annual cost summaries. Main features: * Detect subscription candidates from Gmail receipts and billing emails * Show possible price increases by comparing current and previous amounts * Confirm, edit, or ignore detected candidates * Prevent duplicate notifications for the same email * Manually add subscriptions that are not found in Gmail * View confirmed subscriptions * View monthly and annual subscription totals * View subscription price history * Supports multiple currencies such as JPY, USD, EUR, and GBP * Excludes refund, campaign, promotional, and advertising emails where possible Privacy: This extension does not use its own external server. Information retrieved from the Gmail API is processed locally in your browser and stored in Chrome local storage. Email contents and analysis results are not sent to an external server operated by this extension. Network communication is limited to the Gmail API. The Gmail permission used by this extension is read-only. Important notes: This extension detects candidates based on email subject, sender, date, snippet, and receipt contents. It may not detect every subscription payment perfectly. Detected candidates should be reviewed and confirmed by the user before being treated as active subscriptions. This extension is intended to help users track subscription costs and possible price changes, but it does not replace official billing statements from each service provider.
Jun 27, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.