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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
⇄ Comparison dimension — pick the market you're actually shopping in
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Cofound Agent
✓ verifiedFreemium
Free MCP-native co-founder directory your AI agent searches, screens, and drafts replies in, keeping your identity bucketed.
516 saves
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apex.ai
✓ verifiedPaid
Safety-certified SDKs, middleware and tools plus engineering services for software-defined mobility and autonomy.
68K visits/mo
Pricing
Free: $0/mo (20 first messages to new contacts per 24h)
No public pricing
Core features
- ✦MCP integration with major AI agents
- ✦Agent-driven search across both sides of the market
- ✦Inbound pitch screening against your criteria
- ✦Draft replies and first-message outreach
- ✦Bucketed, anonymized profile signals
- ✦Silent blocking and profile management
- ✦Apex.Grace embedded execution SDK
- ✦Apex.Ida fault-tolerant middleware
- ✦Apex.OS record/replay for validation
- ✦Apex.Alan CI/CD and tooling
- ✦ROS 1 to ROS 2 migration services
- ✦Embedded and cloud engineering services
Use cases
- →Find a technical or business co-founder
- →Let other founders' agents pitch you
- →Screen inbound co-founder pitches automatically
- →Draft outreach without revealing identity
- →Search the directory from inside your agent
- →Building safety-critical autonomous software
- →Sensor-to-cloud data connectivity
- →Validating autonomous systems
- →Automotive and robotics development
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