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Zipline vs signafAIde

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

Zipline compared with signafAIde
DetailZipline logo ZiplinesignafAIde logo signafAIde
What it doesOne thread for every AI assistant you use Tamper-evident audit trail for AI agents with verifiable records
StageMVP Not given
FoundedNot given Not given
Based inIE GB
Pricing modelFree trial Freemium
PricingNot given Free: £0, no card required, 1 user, 25,000 live records a month. Solo: £19/month or £190/year, 1 user, 100,000 live records a month (then £5 per 100,000). Team: £49/month or £490/year, unlimited users with roles, 250,000 live records a month (then £5 per 100,000, or £3 above 10 million). Enterprise:
Key features
  • TypeScript SDK
  • MCP server integration
  • Agent signs each record with its own Ed25519 key
  • Service co-signs records and chains them to prevent edits or gaps
  • Public timestamp bounds each record with hourly verification
  • Only salted hashes sent to service; inputs and outputs stay on your machine
  • Open verifier code allows independent verification
  • Python and TypeScript SDKs for wrapping agent tools
  • Verification reports in HTML or PDF format with compliance mapping
  • Compliance packs for EU AI Act, ISO/IEC 42001 and SOC 2
  • 99.5% uptime guarantee on hosted witness in Google Cloud London
What makes it different
  • Single conversation thread across multiple AI assistants
  • Works in native AI assistant apps without switching
  • Uses open standard MCP for integrations
  • Automatic task pickup for Claude and Grok
  • Full user control with pause and revoke options
  • Records are verifiable offline and survive service shutdown
  • Independent co-signature and public time bounds provide proof beyond your control
  • Content remains private on your machine in hash-only mode
  • Compliance-ready evidence for regulators and auditors
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)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)150
Referring domains (Majestic)30

5 details filled in for both companies.

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