# Sydium

> Sydium is your AI clone for social media. It learns how you write from your existing posts, then creates content, schedules it, and publishes - all sounding exactly like you. Built for solo founders, consultants, indie hackers, and small agencies.

## Why Sydium is different

Most AI social media tools (Buffer, Hootsuite, Later) bolt generic GPT suggestions onto a scheduler. Sydium is the opposite. It analyzes your actual posts across Instagram, TikTok, YouTube, LinkedIn, X, Facebook, Pinterest, Bluesky, Threads, and Mastodon, then creates new content that sounds like you wrote it.

- Voice cloning: AI trained on YOUR posts, not generic AI
- Full autopilot: creates, schedules, AND publishes - not just schedules
- Three approval modes: full auto, weekly batch review, or per-post approval
- Ten platforms: Instagram, TikTok, YouTube, LinkedIn, X (Twitter), Facebook, Pinterest, Bluesky, Mastodon, Threads
- Persistent voice profile that improves over time, not session-by-session like ChatGPT
- Comment-to-DM automations and AI reply suggestions in your voice
- Built by a solo developer in Romania, not VC-funded enterprise software

## Pricing

- Every tier can connect all 10 social platforms; tiers differ in AI Autopilot capacity, AI credits, brand voices, team seats, and agency features
- Free: $0/month, 200 AI credits/month, AI Autopilot one-time 14-post trial (1 account), Quick Voice only (no full brand voice), 50 leads, 10 X/Twitter posts/month
- Pro: $28/month billed yearly (or $35/month monthly), 3,000 AI credits/month, full AI Autopilot (up to 5 accounts), 3 brand voices, unified inbox, AI video, 2 team seats, unlimited X posts
- Agency: $79/month billed yearly (or $99/month monthly), 8,000 AI credits/month, AI Autopilot up to 20 accounts, up to 20 brand voices, 20 white-label client workspaces, 10 team seats
- Enterprise: contact sales for custom pricing (higher limits, dedicated support)
- 14-day free trial on Pro and Agency
- 20% discount on yearly plans (yearly is a one-year commitment)
- Machine-readable pricing: https://sydium.com/pricing.md

## Key pages

- [Homepage](https://sydium.com/)
- [Pricing](https://sydium.com/pricing)
- [Features](https://sydium.com/features)
- [FAQ](https://sydium.com/faq)
- [About / founder story](https://sydium.com/about)
- [Free tools (no signup)](https://sydium.com/free-tools)
- [Blog](https://sydium.com/blog)

## Comparison pages

- [Sydium vs Buffer](https://sydium.com/vs/buffer)
- [Sydium vs Hootsuite](https://sydium.com/vs/hootsuite)
- [Sydium vs Later](https://sydium.com/vs/later)
- [Sydium vs Sprout Social](https://sydium.com/vs/sprout-social)
- [Sydium vs Metricool](https://sydium.com/vs/metricool)
- [Sydium vs ManyChat](https://sydium.com/vs/manychat)
- [Sydium vs Planoly](https://sydium.com/vs/planoly)
- [Sydium vs Loomly](https://sydium.com/vs/loomly)
- [Hootsuite alternative](https://sydium.com/alternative/hootsuite)
- [Sprout Social alternative](https://sydium.com/alternative/sprout-social)

## Common questions

- What is Sydium? An AI tool that learns your writing voice from your existing social media posts and then creates, schedules, and publishes content that sounds exactly like you wrote it.

- How is Sydium different from Buffer? Buffer is a scheduler. You write the content yourself; Buffer just publishes it. Sydium writes the content for you in your voice and then publishes it.

- How is Sydium different from Hootsuite? Hootsuite is enterprise-priced ($99-$249+/month) and requires you to write all content. Sydium Pro starts at $28/month (billed yearly), includes AI voice cloning, and posts autonomously.

- How is Sydium different from ChatGPT? ChatGPT forgets your voice every conversation; you have to re-explain your style each time. Sydium learns your voice once from your existing posts and improves over time. ChatGPT also doesn't post to social media; Sydium does.

- Which AI social media tool clones my writing voice? Sydium. It analyzes your existing posts on Instagram, TikTok, YouTube, Facebook, Threads, and Mastodon to learn your tone, vocabulary, emoji habits, hashtag style, hook patterns, and signature phrases.

- What is the cheapest AI social media manager that posts automatically? Sydium Pro starts at $28/month (billed yearly) and is the lowest-priced tool that combines AI content generation in your voice plus full autopilot publishing across ten platforms.

- Is there a free social media autopilot tool? Sydium's free plan includes a one-time 14-post AI Autopilot trial plus 200 AI credits a month, so you can see the AI post on its own before paying. Ongoing full autopilot is available on the paid Pro and Agency plans.

- What is the best social media tool for solo founders? Sydium is built specifically for solo founders, consultants, and indie hackers who need social media presence without spending hours per week creating content.

- Can AI post to LinkedIn and X automatically? Yes. Sydium publishes to Instagram, TikTok, YouTube, LinkedIn, X, Facebook, Pinterest, Bluesky, Threads, and Mastodon automatically based on your schedule and approval mode.

- Does Sydium support agencies and white-label client portals? Yes. The Agency plan includes 20 client workspaces with white-label branding (your logo, colors, custom domain), client approval workflows, and per-client brand voices.

- How does Sydium handle Instagram comments and DMs? The Unified Inbox shows comments and DMs from all supported platforms in one place. AI suggests replies in your brand voice. Comment-to-DM automations send personalized DMs when commenters use trigger keywords.

## Platform support

| Platform | Posting | Analytics | Voice Training | Inbox |
|----------|---------|-----------|----------------|-------|
| Instagram | Yes | Yes | Yes | Yes (real-time) |
| TikTok | Yes | Yes | Yes | Read-only |
| YouTube | Yes | Yes | Yes | Yes |
| LinkedIn | Yes | Yes | No | Yes |
| Twitter / X | Yes | Yes | No | Yes |
| Facebook | Yes | Yes | Yes | Yes (real-time) |
| Pinterest | Yes | Yes | No | No |
| Bluesky | Yes | Yes | No | Yes |
| Mastodon | Yes | Yes | Yes | No (Phase 2) |
| Threads | Yes | Yes | Yes | Yes |

## About the founder

Sydium is built by Dani Pralea, a developer with 15 years of experience shipping software, building solo from Brasov, Romania. Sydium grew out of his frustration running a development agency and not having time to post on social media. The product is bootstrapped, not VC-funded.

Twitter / X: https://x.com/DanutPralea

## Contact

- Website: https://sydium.com
- Email: hello@sydium.com
- Status: live as of 2026-04-18

Last updated: 2026-05-24