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Postnify vs Kalen

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Postnify compared with Kalen
DetailPostnify logo PostnifyKalen logo Kalen
What it doesAI-powered social media scheduler that connects AI agents to automate posting across 30+ platforms X assistant that integrates with Claude, ChatGPT and Cursor to research your niche, score AI-written posts and publish them on X
StageNot given Startup
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree Forever: $0/mo (2 channels, 15 posts per month). Standard: $5/mo (10 channels, 200 posts per month). Pro: $12/mo (30 channels, unlimited posts). Ultimate: $49/mo (150 channels, unlimited posts). Starter $9/month or $90/year (100 credits per month); Pro $29/month or $290/year (700 credits per month); Ultra $49/month or $490/year (1,500 credits per month). A post costs 1 credit, 2 with a first reply or link. Unused credits last 3 months. All plans include 14 days free with 50 credits.
Key features
  • Connect 30+ social platforms including Facebook, Instagram, LinkedIn, X, TikTok, YouTube, Threads, Pinterest
  • AI-powered content assistant to write and optimize posts
  • AI image and video generation for social posts
  • Bulk upload and schedule posts at once
  • Smart posting time recommendations based on engagement data
  • Team collaboration with role assignment and approvals
  • Visual calendar for drag and drop post scheduling
  • Comprehensive analytics for impressions, engagement, and followers
  • Public REST API for integration with automation tools like n8n and Zapier
  • CLI tool for AI agents to schedule and publish posts
  • Daily niche research: top posts for keywords and X trends
  • Weekly analysis of reference account and own account performance
  • Post scoring from 0 to 100 using TypeSafe's Jev judgment model
  • Automatic rewrites up to 3 rounds for posts below pass mark
  • Schedule posts up to 3 weeks in advance
  • Optional first reply with link below each post
  • Credit-based pricing: 1 credit per post, 2 with reply or link
  • Unused credits last 3 months
What makes it different
  • Integrates with AI agents like ChatGPT and Claude for autonomous social media management
  • Post to 30+ platforms simultaneously with one message
  • Works with automation tools via public REST API for custom workflows
  • Manage multiple client accounts in one dashboard for agencies
  • AI-generated captions, images, and post ideas to streamline content creation
  • Works inside your existing AI without a separate editor or new subscription
  • Runs no writing model; your AI writes, Kalen researches and scores
  • Nothing publishes without your explicit approval in chat
  • Scores posts against what works in your niche and your own best posts
  • Publishes through X's official API with optional first reply for links
Community votes00
DR (Domain Rating by Ahrefs)5 no change since last check19 +1 (up) since last check
Trust Flow (Majestic)211
Citation Flow (Majestic)2317
Referring domains (Majestic)2125

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