Buffer
Buffer: Social media suite for publishing, analytics, and community. Ten profiles on Buffer Team costs about $120/month before volume discounts.
Best for: Best if per-channel pricing adds up is not a blocker and you prefer Buffer's specialty features.
Postmixr
Postmixr is a social media scheduler with a visual calendar, bulk CSV, and MCP for AI assistants. Free for up to 3 connected accounts. Starter is $14.99/month (3 workspaces). Pro is $39.99/month (15 workspaces) with team invites and no per-seat pricing.
Best for: Best if you want flat workspace pricing, a calendar the whole team can use, and optional API or MCP without a developer-only workflow.