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fractal vs signafAIde

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

fractal compared with signafAIde
Detail fractalsignafAIde logo signafAIde
What it doesLong-term memory for AI agents that organizes itself and corrects itself Tamper-evident audit trail for AI agents with verifiable records
StageMVP Not given
FoundedNot given Not given
Based inSE GB
Pricing modelFree Freemium
PricingPersonal: Free during early access. Unlimited memories, all agents with separate memories, no card required. Enterprise: On request, set up by the team for departmental organization with cross-department sharing and direct support. 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
  • Self-correcting memory that updates when facts change
  • Historical memory queries with time-based retrieval
  • Automatic topic organization and hierarchy
  • Separate memory for each agent with controlled sharing
  • Multi-agent support via MCP, REST API, or LangGraph
  • AES-256 encryption at rest and in backups
  • OAuth 2.1 authentication and API key management
  • Data export and deletion capabilities
  • 37 MCP tools with automated verification on every code change
  • 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
  • Understands what changed, when it was true, and where it belongs - beyond vector database similarity
  • Never contradicts itself by automatically replacing outdated facts
  • Fully GDPR aligned with built-in privacy by design
  • Two-minute integration with Claude, ChatGPT, Cursor and any MCP client
  • Data stays in Europe on AWS eu-north-1 and never used for model training
  • 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)00
Referring domains (Majestic)00

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