Post Bridge vs Zernio (2026): Scheduler App vs Social API

Short answer

Pick Post Bridge if you are one person who wants an app to cross-post to your own accounts, with the API and MCP included on its $39 plan for 15 accounts. Pick Zernio if you are building software on one API for posting, analytics, comments, messaging and ads, with the first 2 accounts free. At 30 accounts, Post Bridge Operator costs $99 a month and Zernio $108.

Prices checked on November 2, 2026, monthly billing, USD. Pricing pages: Post Bridge, Zernio.

PostDelegate makes a social media scheduler, so we have a stake. We link every source so you can check. PostDelegate is built on the open-source Postiz project (AGPL-3.0). See /licenses.

At a glance

Post Bridge compared with Zernio
Feature	Post Bridge	Zernio
What it is	Hosted cross-posting scheduler for one personsource	Social media API for developerssource
Hosting	Hosted (no self-host option on its pricing page)source	Hosted APIsource
Pricing model	Flat plan by connected accounts; $1 per account above 99 on Operatorsource	Per connected account per month, cheaper per account at volumesource
Plans	Marketer $39 (15 accounts), Operator $99 (99 accounts, then $1 each)source	Accounts 1–2 free, 3–10 $6/month each, 11–100 $3/month each, 101+ $1/month eachsource
Free option	Free users can make 5 postssource	First 2 accounts free, no credit cardsource
Trial	7-day free trial, $0 due todaysource	Not listed
Networks	10: X, Instagram, LinkedIn, Facebook, TikTok, YouTube, Bluesky, Threads, Pinterest and Google Businesssource	Social, messaging, blog and ads platforms through one API, including X, Instagram, TikTok, LinkedIn, Facebook, YouTube, Threads, Reddit, Pinterest and Blueskysource
API	API included on Marketersource	The product is the API: posting, analytics, comments, messaging, ads and webhookssource
MCP for AI agents	MCP agent connection included on Marketersource	MCP server, documented at docs.zernio.com/mcpsource
Teams and approvals	Team members on Operator onlysource	Not listed

Cost at 3, 10 and 30 accounts

Zernio bills each account after the first 2, $6 each up to 10 and $3 from 11 to 100. Post Bridge sells flat plans, $39 for up to 15 accounts and $99 for up to 99. Zernio is cheaper up to 8 accounts (6 × $6 = $36); from 9 to 15 accounts (7 × $6 = $42 at 9) Post Bridge Marketer costs less. From 16 to 26 accounts Zernio is cheaper again, against Operator’s $99, and from 27 Post Bridge is cheaper.

Monthly cost of Post Bridge and Zernio by number of connected accounts
Accounts	Post Bridge, per month	Zernio, per month
3	$39 (Marketer, 15 accounts)source	$6 (2 free + 1 × $6)source
10	$39 (Marketer, 15 accounts)source	$48 (2 free + 8 × $6)source
30	$99 (Operator, 99 accounts)source	$108 (2 free + 8 × $6 + 20 × $3)source

Monthly billing, before tax. Each figure is worked out from the plan prices on the linked pricing page.

Where PostDelegate fits

PostDelegate is a lighter alternative to both: a scheduler with flat plans from $19, team members from $29 and the API and MCP server on every plan, with AI on your own assistant or key. It cannot reach Facebook, Instagram, Threads, TikTok, LinkedIn, Pinterest or Reddit yet, because those are waiting on platform approval, and X is not available. Every plan starts with a 7-day trial and no card.

What it is: Hosted scheduler built on Postiz, run by Nasida Apps LLCsource
Price: 7-day free trial, no card, then from $19/month. 3 accounts: $19 (Starter, 5 channels) · 10 accounts: $29 (Team, 10 channels) · 30 accounts: $39 (Pro, 30 channels). Pricing
Live today: 18 networks: YouTube, Bluesky, Mastodon, Google Business Profile, Telegram, Discord, Slack, Tumblr, Lemmy, Nostr, Twitch, Kick, Dribbble, DEV.to, Medium, WordPress, Hashnode, Listmonk (email). Platform status
Waiting on approval: Facebook, Instagram, Threads, TikTok, LinkedIn, Pinterest, Reddit. These cannot be connected yet. X is not available.
API and MCP: MCP server on every plan, with sign-in (OAuth) or an API keysource
AI: Bring your own: AI runs on your own OpenAI key or the assistant you connect over MCP; PostDelegate never charges for AIsource

The PostDelegate calendar in month view: a sidebar of six connected channels on the left, and scheduled posts laid out across a week of November. — PostDelegate's calendar in month view: the connected channels down the side, and what is scheduled, day by day.

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FAQ

Is Zernio free?

Zernio’s first 2 connected accounts are free, with no credit card. Post Bridge lets free users make 5 posts, and has a 7-day trial with $0 due today.

Do both have an MCP server?

Yes. Post Bridge includes an MCP agent connection and its API on Marketer. Zernio’s MCP server is documented at docs.zernio.com/mcp.

Which is cheaper for 10 accounts?

Post Bridge: Marketer costs $39 a month for up to 15 accounts. Zernio costs $48 for 10 (2 free + 8 × $6).

Which networks can each reach?

Post Bridge lists 10, including Google Business. Zernio covers social, messaging, blog and ads platforms through one API, including Reddit.

Post Bridge and Zernio are trademarks of their owners. PostDelegate is not affiliated with or endorsed by either. Last updated 2026-11-07.

Post Bridge vs Zernio: cross-posting app or developer API?

Short answer

At a glance

Cost at 3, 10 and 30 accounts

Where PostDelegate fits

FAQ

Related

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