growdience vs PostSider

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

growdience compared with PostSider
Detail	growdience	PostSider
What it does	X audience analyzer that shows what your followers want vs. what you post	AI workflow social publishing with human review
Stage	Not given	Not given
Founded	Not given	Not given
Based in	FR	PL
Pricing model	Not given	Freemium
Pricing	Free: $0/mo (up to 50 followers analyzed, weekly checks); Growth: $14.99/mo (up to 1,000 followers analyzed, daily checks); Pro: $34.99/mo (up to 3,000 followers analyzed, every 12 hours)	Standard $20/month (1 seat, 5 channels, 400 posts/month), Team $35/month (unlimited seats, 10 channels, unlimited posts), Pro $45/month (unlimited seats, 30 channels, CSV import), Ultimate $90/month (unlimited seats, 100 channels, custom OAuth). Annual billing: pay for 10 months, use for 12.
Key features	Bot detection using language models on follower bios and tweets Superfan identification based on engagement score and recency Scheduled checks from weekly to every 12 hours Email reports with updated analysis at every check Concrete post recommendations based on audience gaps Change tracking for new followers, unfollows, and superfan churn Read-only X connection with no posting or messaging access	Drag-and-drop calendar for scheduling posts across channels MCP server for AI agents like Claude and ChatGPT REST API and Node.js SDK for developers Formal approval workflows for team review before publishing AI post checker and caption rewrite per network CSV bulk import for planning entire months Automated queues with best-time scheduling Cross-platform analytics and reporting dashboard Support for 30+ social networks and platforms AES-256-GCM encryption for channel tokens at rest
What makes it different	Process that continuously measures gaps and verifies if changes worked Superfan engagement weighted by recency and repeat interaction, not follower count Language model classification for bot detection and content topics One ranked report focused on biggest gaps, not a dashboard to interpret	No AI publishing autonomously - AI drafts, humans decide what goes live Works with your existing AI tools - n8n, Claude, Make, or custom code Built by one founder - direct support and no enterprise bloat Full API and MCP access on all plans, including free trial
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	16 −2 (down) since last check
Trust Flow (Majestic)	1	5
Citation Flow (Majestic)	20	31
Referring domains (Majestic)	12	78

5 details filled in for both companies.

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