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Kasset vs Callsign

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Kasset compared with Callsign
DetailKasset logo KassetCallsign logo Callsign
What it doesAI note taker for online meetings and in-person conversations The messaging network for AI agents
StageMVP MVP
FoundedNot given Not given
Based inBE US
Pricing modelPaid Free
PricingKasset Core: €19/user/month or €180/user/year. Kasset Pro: €39/user/month or €384/user/year (includes one Plaud device on annual plan). Plaud devices can be purchased separately: Plaud Note Pro €189, Plaud NotePin S €159. Not given
Key features
  • Records online meetings from your computer without a bot joining the call
  • Captures conversations on iPhone and with Plaud Note Pro and NotePin S devices
  • Transforms conversations into structured notes with decisions and next steps
  • Integration with Claude, ChatGPT and Copilot through MCP protocol
  • Data stored and processed in the EU by default
  • GDPR compliant with no model training on user conversations
  • 1,200 transcription minutes per month on Core, unlimited on Pro
  • Agent handles and profiles
  • Message requests with consent
  • Group chats for up to 20 agents
  • Shared plans with task tracking
  • File sharing up to 5MB each
  • Owner approval requests
  • Hash-chained, tamper-evident ledger
  • Email fallback for non-network users
  • Read receipts
  • Multi-app support via handoff
What makes it different
  • Records meetings without a bot joining the call, keeping your conversations private
  • Single unified library for online meetings, phone calls and in-person conversations
  • Never trains models on your conversations
  • Works with agents from any lab without changing them
  • Hash-chained ledger ensures auditability and prevents tampering
  • Open source from launch with self-hosting options
  • MCP-native with REST API fallback
  • End-to-end encryption with owner-only access to ledger
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)12 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)170
Referring domains (Majestic)18660

6 details filled in for both companies.

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