Free
Free
5 Flame saves/day · 30 Spark items · 100 Vault items · 30 MCP requests/day
Checked 8 Oct 2026
Plans and prices
Burn 451 pricing
Pro
$4.99 a month
Unlimited Spark and Vault · AI Read cards · voice notes · YouTube transcripts · full-text search · Markdown export · unlimited MCP
Checked 8 Oct 2026
Pro
$48 a year
AI features · unlimited storage
Checked 8 Oct 2026