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Device Agent vs signafAIde

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

Device Agent compared with signafAIde
DetailDevice Agent logo Device AgentsignafAIde logo signafAIde
What it doesGive your AI agent a real phone with a physical SIM card and dedicated number Tamper-evident audit trail for AI agents with verifiable records
StageStartup Not given
Founded2026 Not given
Based inFR GB
Pricing modelFree trial Freemium
PricingAgent plan: 19 € per month per phone after 3-day free trial. Each additional phone: 19 € per month. Fleet plan available with custom pricing for multiple devices and higher volumes. Launch price: 28 € (reduced to 19 €). 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
  • Physical phone with real SIM card and dedicated number
  • Send and receive SMS messages
  • Read verification codes from screen
  • Operate mobile apps with taps, swipes and typing
  • Take screenshots of device screen
  • MCP server integration
  • REST API access
  • Always-on connectivity with 5G network
  • Add multiple phones to one account
  • 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
  • Uses real physical phones with real SIM cards, not virtual numbers, so it works with services that reject virtual numbers
  • Completely hands-free automation of mobile apps with no web version
  • Full feature access during free trial with no payment required if cancelled before day 4
  • 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
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

6 details filled in for both companies.

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