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Sydium vs Mallary

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

Sydium compared with Mallary
DetailSydium logo SydiumMallary logo Mallary
What it doesAI social media management that learns your voice from your past posts Social media posting API for developers and AI agents
StageStartup Startup
Founded2025 2026
Based inRO US
Pricing modelFree trial Freemium
PricingPro: $28/month (billed annually, $35/month billed monthly); Agency: $79/month (billed annually, $99/month billed monthly); Enterprise: $499/month (billed annually, individual terms). 14-day free trial with card required, $0 charged today. Starter: $15/month for 5 accounts, Pro: $29/month for 15 accounts, Business: $95/month for 100 accounts. Unlimited posts. X publishing and comments use separate credits at cost. Pay yearly and get 2 months free.
Key features
  • Brand Voice training from existing posts across 7 platforms
  • Three daily content ideas personalized to your niche
  • Image, Video, and Carousel Studios for content creation
  • Unified inbox for comments and DMs from 7-8 platforms
  • AI-suggested replies in your brand voice
  • Publishing to 11 social platforms
  • Scheduling with recurring, queued, and one-time options
  • Autopilot mode with automatic safeguards
  • Analytics and performance tracking per platform and post
  • Publish to 10 social platforms
  • Schedule posts ahead of time
  • ChatGPT plugin and Claude connector
  • Upload images and videos
  • Read and reply to social media comments
  • AI Auto-Replies for brand questions
  • Cross-platform analytics and audience insights
  • REST API, MCP, and CLI for developers
  • Automatic token refresh and rate limit handling
  • Multiple profiles for different brands
What makes it different
  • Learns your exact voice from past posts rather than generic AI templates
  • Single editor with platform-specific preview and optimization for 11 platforms
  • Built and maintained by a single developer bootstrapped without investors
  • Transparent build-in-public approach with honest marketing and no fake dashboards
  • Unified API for 10 social platforms reduces development time by 90%
  • Works with AI agents and tools without coding required
  • Up to 70% cheaper than alternatives like Postiz and Post Bridge
  • Officially verified by Meta, Google, LinkedIn, TikTok
  • Managed infrastructure with automatic retries and durable job queues
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)36 +1 (up) since last check37 −11 (down) since last check
Trust Flow (Majestic)311
Citation Flow (Majestic)3637
Referring domains (Majestic)86294

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