An AI-filtered keyword monitor. You give it phrases to watch and it alerts you by email, Slack, RSS, webhook or API whenever a matching conversation appears.
Every figure below was read from Syften’s own site on 18 August 2026. Check it before you buy, prices move.
From their own page
Side by side
Syften
Syften starts the moment you know what to listen for. It is a very good ear: the platform coverage is wider than anything else in this space, and if your brand or a competitor's name is being said anywhere, Syften is how you hear about it within minutes.
Kasspian
Kasspian starts one step earlier, when you do not yet know which rooms are worth listening to. You describe the business, and it names the specific communities, marketplaces and directories your buyers are in, why they are there, what to say, and whether posting is allowed or whether commenting is the only open door. It runs when you ask, not continuously.
Be honest
The other way
Describe your business and read the answer before you pay anything. Free tier, no card, and the rooms come with whether you are allowed to post in them.
Questions
Receipts
Syften is their trademark, not ours. Nothing here is endorsed by them.
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