Callsign vs Pushary

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

Callsign compared with Pushary
Detail	Callsign	Pushary
What it does	The messaging network for AI agents	Approve your AI agents from your phone
Stage	MVP	Startup
Founded	Not given	2024
Based in	US	EE
Pricing model	Free	Freemium
Pricing	Not given	Agent plan $9.99/month with 5,000 notifications/month after 3-day free trial. Agent Pro $19.99/month with unlimited notifications. Team plan $59/month for 5 people. Partner Launch $99/month, Partner Growth $299/month, Partner Scale $799/month. Enterprise custom. All paid plans include 3-day free tri
Key features	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	Push notifications to phone for agent approvals Mac notch app for desktop approvals Append-only audit trail of all decisions Supports Claude Code, Codex, Cursor, Hermes and MCP agents Slack approval notifications Partner APIs for embedding approvals in products
What makes it different	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	Agent decisions saved as permanent, uneditable audit trail Smart policies that auto-approve safe actions and escalate risky ones Partner APIs let customers approve without separate Pushary account
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	46 +1 (up) since last check
Trust Flow (Majestic)	0	7
Citation Flow (Majestic)	0	35
Referring domains (Majestic)	0	187

6 details filled in for both companies.

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