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SignalTower vs Post Bridge

Post Bridge is a fast, low-cost way for one person to publish everywhere, including from Claude or ChatGPT. SignalTower is for a team: it plans, writes and designs the posts with your people and your AI, and a person approves each one.

Side by side

Plans the month for you: SignalTowerYes. The agent proposes the month as briefs you approve, change or skip.; Post BridgeNo.
Writes in your brand's voice: SignalTowerYes, in your brand's voice, from what it learned from your website.; Post BridgeNo writer of its own; your AI writes.
Your design templates: SignalTowerYes. Layered templates in your fonts, colors and logo; filling one uses no credits.; Post BridgeNo.
The AI you already use: SignalTowerYes. Claude, ChatGPT or any MCP app works on the same canvas as your team.; Post BridgeYes, through MCP; your AI's posts are queued with no review step.
A person's yes before publishing: SignalTowerAlways, on every plan. Every post goes out on a person's yes, given in SignalTower or to their own AI. No AI spends.; Post BridgeNo approval flow.
Posts from your business data: SignalTowerYes. Feeds, sheets, your API or MCP; a post holds itself when the facts change.; Post BridgeNo.
Written for each language: SignalTowerYes. Written per audience and market, with replies in the commenter's language.; Post BridgeNo.
Publishing: SignalTowerPublishes to 11 networks and your blog: 5 accounts on Standard, 10 on Studio.; Post Bridge10 networks, 15 accounts from $39.
Works with your scheduler: SignalTowerOr hand approved posts to Buffer, Postiz or Post Bridge.; Post BridgeIt is the scheduler.
Price: SignalTowerStandard $29, Studio $49 per workspace a month, 20% off yearly. 7-day free trial on both.; Post Bridge$39 a month; team invites from $99.

What you need	SignalTower	Post Bridge
Plans the month for you	Yes. The agent proposes the month as briefs you approve, change or skip.	No.
Writes in your brand's voice	Yes, in your brand's voice, from what it learned from your website.	No writer of its own; your AI writes.
Your design templates	Yes. Layered templates in your fonts, colors and logo; filling one uses no credits.	No.
The AI you already use	Yes. Claude, ChatGPT or any MCP app works on the same canvas as your team.	Yes, through MCP; your AI's posts are queued with no review step.
A person's yes before publishing	Always, on every plan. Every post goes out on a person's yes, given in SignalTower or to their own AI. No AI spends.	No approval flow.
Posts from your business data	Yes. Feeds, sheets, your API or MCP; a post holds itself when the facts change.	No.
Written for each language	Yes. Written per audience and market, with replies in the commenter's language.	No.
Publishing	Publishes to 11 networks and your blog: 5 accounts on Standard, 10 on Studio.	10 networks, 15 accounts from $39.
Works with your scheduler	Or hand approved posts to Buffer, Postiz or Post Bridge.	It is the scheduler.
Price	Standard $29, Studio $49 per workspace a month, 20% off yearly. 7-day free trial on both.	$39 a month; team invites from $99.

Based on Post Bridge's public website, October 2026. Something out of date? Write to sergiu@signaltower.ai.

Choose Post Bridge if

You're one person who writes your own posts, or lets your AI write them, and wants them out everywhere in seconds.

Choose SignalTower if

More than one person, or more than one AI, touches your posts and you want a plan, your brand and a person's yes behind every one.

Or use both

Use both: approved posts can go to Post Bridge.

Try it with the AI you already use.

Connect Claude, ChatGPT or any AI agent, bring your team, and nothing goes out without your yes.

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