How do Prolific and Tracetify compare in monthly traffic?

Prolific has 18,697,671 monthly visits, while Tracetify has 2,900. Traffic estimates describe audience size, not product quality.

How do their growth rates compare?

Prolific has a month-over-month growth rate of -1.8%; Tracetify has -55.1%.

How does pricing compare?

Prolific: Paid. Usage-based for requesters: you pay participant rewards plus a platform fee, with custom quotes for large or managed programmes. Participants earn per completed study; joining is free. Tracetify: Freemium. Free tier with all existing reports readable and one competitor monitored weekly. One-time credits cost $19.9 for 150 (about $3.98 per full analysis). A monthly subscription is $9.9/month for 100 credits, 5 competitors monitored daily, and unlimited trace and verdict unlocks on the site. Credits are also usable via MCP in Claude Code, Cursor, and Codex.