Notifio adds desktop alerts that batch listings to avoid notification overload

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Notifio, a rental search monitoring app, has implemented desktop notifications after the feature was listed but never built. The system fires alerts locally before emails are even sent, eliminating network delays that can cost users a rental opportunity. To prevent notification fatigue, each search cycle triggers at most one banner, grouping multiple new listings with the first three previewed in the body. Clicking the notification opens the listing directly in the user's default browser, preserving their existing login session rather than routing them through the app's internal browser. These design choices — deduplication, batching, and smart handoff — were prioritised to ensure users keep the alerts enabled rather than switching them off.

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