Sydium

Never go quiet again.·sydium.com

$28–$499/mo · No free plan (14-day trial) See pricing ↓

Sydium is an AI social media management tool that learns a user's writing voice from their existing posts, then writes, schedules, and publishes new content across eleven social platforms. It offers full autopilot publishing with adjustable approval modes, an AI-generated image and video studio, a unified inbox for comments and DMs, and lead scoring from social engagement. It is built for content creators, solo founders, consultants, and small agencies who manage client social accounts.

What it's for

writing social media captions in a learned personal voicescheduling and publishing posts across multiple platforms automaticallyrunning social media accounts on full autopilotgenerating and editing AI images and videos for postscreating Instagram/TikTok/LinkedIn carousels from a topicmanaging comments and DMs from one inboxauto-DMing commenters who use a keywordscoring commenters as leads with detected intentrunning giveaways from post commentstracking competitor social accountsmanaging multiple client brand voices and white-label client portalsdriving publishing/scheduling/analytics from an AI agent via MCP

Features 20

AI brand voice trained on the user's own past posts
Analytics with engagement score, follower trends, best-time-to-post insight
Approval workflows with no-login review links and role-based permissions
Carousel Studio for Instagram, TikTok, and LinkedIn carousels
Client workspaces and white-label client portals
Command-line interface (CLI)
Comment-to-DM automations and AI reply suggestions in brand voice
Competitor tracking for public Instagram and YouTube accounts
CSV/PDF reports, scheduled email reports, password-protected share links
Full autopilot: creates, schedules, and publishes content
Giveaways with a public audit trail
Image Studio for AI image generation and conversational editing
Lead scoring with detected intent from commenters (AI leads/CRM)
MCP server with OAuth 2.1 for AI agent control
Public REST API
Publishing across eleven social platforms
Repurpose Studio to turn one post or article into multiple platform-specific posts
Three approval modes: full auto, weekly batch review, per-post approval
Unified inbox for comments and DMs across platforms
Video Studio for AI video generation, trimming, captions, audio cleanup

At a glance

free trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

LanguagesEnglish, German

Forcontent creators, agencies, solo founders, consultants, indie hackers, small agencies

CompanySydium · 2025

Integrations

InstagramMastodonYouTubeBlueskyClaudeGoogle BusinessChatGPTThreadsTikTokPinterestLinkedInFacebookX

Complianceself-reported

GDPR

Resources

Docs

Pricing

Pro and Agency both show two billing rates: a per-month price billed yearly and a higher price billed monthly. Enterprise starts at $499/month (billed yearly) with custom pricing beyond that; exact enterprise pricing is on request. There is no permanent free plan; all paid plans start with a 14-day free trial requiring a card, charging $0 until day 14.

Pro$35/mo

$28/mo billed yearly (save ~20%) or $35/mo billed monthly.

300 AI-generated posts/month, 5 autopilot accounts, 3 brand voices, 100GB storage

Agency$99/mo

$79/mo billed yearly (save ~20%) or $99/mo billed monthly.

800 AI-generated posts/month, 20 autopilot accounts, 20 client portals, 500GB storage

Enterprise$499/mo · billed annually

Starts at $499/month billed yearly, custom terms; contact sales ('Talk to Dan') for final pricing.

2,000 AI-generated posts/month, 50 autopilot accounts, 50 client portals, custom storage

Save ~20% by billing yearly instead of monthly.