Comparison · 2026
Postiz vs Semrush Social
Pricing, supported platforms, strengths, and best-fit use cases, side by side.
Note: Pricing and features were sourced from each vendor's official site; verify current pricing directly. Last reviewed October 2026.
Postiz: Open-source social media manager with cloud and self-hosted options.
Semrush Social: Social Media Toolkit add-on inside the broader Semrush SEO platform.
Pricing Comparison
| Plan | Postiz | Semrush Social |
|---|---|---|
| Starting price | $29/mo ($23/mo annual) cloud; free self-hosted | $20/mo (Social Toolkit Base, billed annually; often on top of $117.33+/mo Semrush) |
| Pricing model | tiered | tiered |
| Free plan | Yes | No |
| Platforms supported | 15 | 7 |
Platform Support
Postiz supports 15 networks. Semrush Social supports 7 networks. They overlap on 7 networks. BulkPublish is included for context.
| Platform | Postiz | Semrush Social |  BulkPublish |
|---|---|---|---|
| Yes | Yes | Yes | |
| Yes | Yes | Yes | |
| X (Twitter) | Yes | Yes | Yes |
| TikTok | Yes | Yes | Yes |
| YouTube | Yes | Yes | Yes |
| Threads | Yes | No | Yes |
| Bluesky | Yes | No | Yes |
| Yes | Yes | Yes | |
| Google Business Profile | Yes | No | Yes |
| Yes | Yes | Yes | |
| Mastodon | Yes | No | Yes |
| Discord | Yes | No | Yes |
| Telegram | Yes | No | Yes |
| Tumblr | Yes | No | Yes |
| Snapchat | No | No | Yes |
Where Postiz Wins
- Open-source with cloud option
- Active community
- Telegram support
- Modern UX
Trade-offs
- Newer than Mixpost
- Self-hosted ops responsibility
Where Semrush Social Wins
- Integrated with Semrush SEO platform
- Social Tracker for competitors
- AI content with brand context
- Single vendor for SEO + social
Trade-offs
- Realistically requires a $117.33+/mo (annual) Semrush plan underneath
- API gated to $499.95/mo Business
- 50 scheduled posts/mo on Base
Best For
- Postiz: Developers wanting open-source ownership with optional cloud
- Semrush Social: SEO-led teams already on Semrush
Considering Both? Try BulkPublish
BulkPublish covers 15 platforms (Facebook, Instagram, X (Twitter), TikTok, YouTube, Threads, Bluesky, Pinterest, Google Business Profile, LinkedIn, Mastodon, Discord, Telegram, Tumblr, and Snapchat) with flat-rate pricing. Pro at $13.99/mo includes 30 channels and 3 organizations; Business at $39.99/mo includes 75 channels and 10 organizations. A full REST API ships on every plan, including the free tier.
- Free: 3 channels (1 per platform; X via pay-as-you-go credits), 1 post/day, each to every channel
- Pro: $13.99/mo ($11.89/mo annual): 30 channels, 30 posts/day to every channel except X, 3 orgs
- Business: $39.99/mo ($33.99/mo annual): 75 channels, unlimited posts/day except X, 10 orgs