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Track what matters. Get alerted when it changes.

Set watches in your own words and let observers monitor the web for meaningful updates.

Never miss the moment that matters.

LetMeKnowWhen tracks the topics you care about and alerts you when something important changes.

  • Track any watch in your own words
  • Our observers check trusted web sources for meaningful updates
  • Follow community watches and mix them with your own
  • Get notified so you do not have to keep checking manually
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Android app

Take Lmkw on the go

Install from Google Play for alerts in your pocket—the same watches, built for your phone.

Get it on Google Play
Add Watch to LMKW icon

For websites

Interested in being a partner?

Approved partners can add a LMKW icon to their pages. When someone clicks it, they open LMKW with a draft watch pre-filled from your site using the Partner API.

Partner API docs

Savannah Sync

Observers roam the landscape on a schedule to find what you need.