Postline vs Buffer
A side-by-side comparison of pricing, networks and features. Facts about Buffer come from its website, checked October 17, 2026.
At a glance
| Postline | Buffer | |
|---|---|---|
| Pricing model | Flat price per workspace | Per channel. The price per channel drops as you add more. |
| Plans | Creator: $19 a month Team: $39 a month Agency: $99 a month | Free: $0 for up to 3 channels Essentials: $6 per channel a month billed monthly ($5 billed yearly) Team: $12 per channel a month billed monthly ($10 billed yearly) |
| Free plan | No | Yes: 3 channels, 10 scheduled posts per channel, 1 user |
| Free trial | 7 days | 14 days on paid plans, no payment details needed |
| Networks | 29 | 12 listed |
| AI writing assistant | ||
| Approval workflows | Higher plans or add-on | |
| Analytics | ||
| Public API | ||
| MCP server for AI agents | ||
| RSS auto-posting | Not listed | |
| Link shortening and click tracking | ||
| Self-hosting | Not listed |
Networks
Both
X (Twitter), LinkedIn, Facebook, Instagram, Threads, TikTok, YouTube, Pinterest, Bluesky, Mastodon, Google Business Profile
In Postline, not on Buffer's list
Reddit, Tumblr, WordPress, Medium, DEV, Hashnode, Lemmy, Nostr, Farcaster, Discord, Telegram, Slack, VK, Dribbble, Twitch, Kick, Listmonk, Whop
On Buffer's list, not in Postline
Substack
Buffer details are from buffer.com/pricing, buffer.com/integrations as of October 17, 2026. Prices and features change, so check their site for the latest. Buffer is a trademark of its owner; Postline is not affiliated with Buffer.
Postline vs Buffer
What is the difference between Postline and Buffer?
Postline uses flat monthly pricing (Creator $19, Team $39, Agency $99) and includes approvals, the API and MCP on every plan, with 29 networks. Buffer is a long-running social media scheduler priced per channel; its pricing is per channel. The price per channel drops as you add more.
Which is cheaper, Postline or Buffer?
It depends on your team size and number of channels. Postline starts at $19 a month for 5 channels. Buffer: Free: $0 for up to 3 channels.
Does Buffer have an MCP server like Postline?
Yes, Buffer's site lists MCP or AI-agent integration.
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