Kalen vs Postus

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

Kalen compared with Postus
Detail	Kalen	Postus
What it does	X assistant that integrates with Claude, ChatGPT and Cursor to research your niche, score AI-written posts and publish them on X	AI-powered social media automation that generates and schedules posts
Stage	Startup	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Paid
Pricing	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.	Beginner: €19/month or €190/year (10 posts per month, all social networks). Advanced: €29/month or €290/year (20 posts per month, all social networks). Expert: €39/month or €390/year (30 posts per month, all social networks). Pricing is per project; annual plans save 20%.
Key features	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	AI text generation for social posts AI image generation for posts Automatic post scheduling Support for multiple platforms Post regeneration and feedback Customizable posting frequency Multi-project management
What makes it different	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	Generates both unique text and images automatically Saves time compared to hiring a social media agency Simple setup with no credit card required to try Flexible pricing based on number of projects
Community votes	0	0
DR (Domain Rating by Ahrefs)	19 +1 (up) since last check	40 no change since last check
Trust Flow (Majestic)	11	12
Citation Flow (Majestic)	17	31
Referring domains (Majestic)	25	211

5 details filled in for both companies.

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