A working creator's comparison of Postiz vs Kompozy. Honest pros, real pricing, and a clear pick for open-source scheduling versus AI content generation.
If you've typed "Postiz alternative" into Google, it helps to be precise about what you're actually comparing. Postiz is an open-source, self-hostable social media scheduler with a chat-driven Smart Agent — it's very good at scheduling across a lot of networks, and it's cheap or free depending on whether you self-host. Kompozy is a content-generation engine that also publishes. Those are different tools for different bottlenecks.
This page isn't a hit piece. I run Kompozy, and the honest answer is that Postiz is the right pick for a specific kind of user and Kompozy is the right pick for another. If you read this and conclude Postiz is your tool, good — you'll have made an informed call instead of buying software shaped for a different job.
The deciding question is simple: is your problem distributing content, or producing it? Postiz assumes you already make your posts and want them scheduled everywhere, ideally from a chat prompt or an API. Kompozy assumes your bottleneck is producing enough on-brand content in the first place — one source turned into clips, avatar video, carousels, images, a blog, and a newsletter. Postiz schedules. Kompozy generates. Pick for the bottleneck you actually have.
Everything below is grounded in each product's public pages as of the verify date. No fabricated numbers, no straw-man comparison — Postiz genuinely wins several rows, and they're marked as such.
Postiz is an open-source social media scheduling platform from the Gitroom team, licensed under AGPL-3.0 and fully self-hostable — the project states there is no difference between the hosted and self-hosted versions. You connect your accounts and manage posting from a visual calendar and a chat-driven Smart Agent that drafts copy, generates a matching image, and schedules posts from natural language. It publishes to a broad set of networks (Instagram, TikTok, YouTube, LinkedIn, X, Facebook, Pinterest, Threads, Bluesky, Mastodon, Reddit, Discord, and more) — wider channel coverage than most schedulers. Its 2026 differentiator is being genuinely agentic and developer-friendly: alongside a public API and Node SDK, it ships an MCP server and a CLI, so an external agent like Claude or ChatGPT can list accounts, create posts, upload media, and schedule content, and it integrates with n8n and Make.com. What it does not do is generate deep content. Its AI is post-level: captions, hashtags, generic text-to-image visuals, and short clips. There's no long-form-to-short clipping, no avatar/persona video, no brand-exact carousel builder, no governed brand voice, and no blog or newsletter output.
People look past Postiz for one reason: it schedules and lightly assists, but it doesn't produce content at depth. If your bottleneck is "I can't make enough content to fill the schedule," Postiz can't help — it moves and mildly augments what you already made. There's no clip detection to turn a long video into shorts, no avatar or talking-head video, no HyperFrames-style brand-exact carousels, no Persona Brief or banned-word governance to keep a batch on one voice, and no blog or newsletter generation. Its AI images and short clips are generic text-to-image output with no face-lock or brand template. None of that makes Postiz bad — it makes it a focused, excellent scheduler that happens to have a chat layer. If your job is "I already create my content and want it scheduled everywhere, ideally from an API or an agent, cheaply or self-hosted," Postiz is one of the strongest picks on the market. The alternative question only matters if your real need is generating the content, not just distributing it.
| Feature | Postiz | Kompozy | Note |
|---|---|---|---|
| Open-source / self-hostable | Yes | No | Postiz's biggest edge: AGPL-3.0, self-host for free with hosted-version parity. Kompozy is managed SaaS. |
| Cross-platform scheduling & calendar | Yes | Yes | Both ship this. Postiz reaches more raw networks; Kompozy publishes to 9 surfaces incl. blog + email. |
| Channel / network breadth | 30+ | 9 | Postiz wins on raw count (Bluesky, Mastodon, Discord, Reddit). Kompozy covers 8 social + blog + email. |
| AI text generation | Partial | Yes | Postiz drafts post captions/hashtags. Kompozy writes captions, blog articles, and newsletters at depth. |
| AI clip detection (long → short) | No | Yes | Kompozy finds moments in long-form and produces vertical shorts; Postiz has no clipper. |
| Avatar / persona video | No | Yes | Kompozy generates HeyGen avatar and Persona video; Postiz makes only short generic clips. |
| AI image generation | Partial | Yes | Postiz makes generic text-to-image visuals. Kompozy adds face-lock, quote cards, and infographics. |
| Brand-exact carousels (templates) | No | Yes | Kompozy builds pixel-exact carousels via HyperFrames; Postiz has no carousel template system. |
| Persona Brief / brand-voice governance | No | Yes | Kompozy enforces tone, banned phrases, and audience per brand. Postiz has no equivalent. |
| Blog + newsletter generation | No | Yes | Kompozy ships a blog draft and newsletter body from the same source. Postiz posts to social only. |
| Agentic control (MCP / CLI) | Yes | Partial | Postiz's MCP server + CLI let external agents run it end to end — a real edge for developers. |
| Public API / SDK / n8n / Make | Yes | Partial | Postiz has a mature developer surface. Kompozy: webhooks + integrations; full API in roadmap. |
| Team members / collaboration | Yes | Yes | Postiz: unlimited members from the Team plan up. Kompozy: brand workspaces with per-post approval. |
| Pricing model | Channels + free self-host | Usage credits | Postiz prices by channels (or free self-hosted). Kompozy prices by generation credits per month. |
| Tier | Postiz plan | Postiz price | Kompozy plan | Kompozy price |
|---|---|---|---|---|
| Entry | Postiz Standard (or self-hosted free) | $29/mo (5 channels) — or $0 self-hosted | Kompozy Starter | $99/mo (5,500 credits) |
| Mid | Postiz Pro | ~$49/mo (30 channels) | Kompozy Pro | $299/mo (18,000 credits) |
| Top | Postiz Ultimate | ~$99/mo (100 channels) | Kompozy Enterprise | Custom (sales-led) |
Here's the honest pitch. Postiz is a distribution tool — an open-source, self-hostable, agentic scheduler that reaches a lot of networks cheaply. Kompozy is a content factory with distribution attached. If you already have the inventory and just need it scheduled everywhere, Postiz is lighter, cheaper, and — if you self-host — free, and you should use it.
For most creators and small teams in 2026, though, the real bottleneck isn't "I can't schedule," it's "I can't produce enough on-brand content to fill the schedule." Recording one good thing per week and turning it into 25-35 well-formatted outputs — clips, avatar video, carousels, quote cards, a blog draft, a newsletter — is a different game than writing one AI caption per platform. Kompozy is built for that game; Postiz's Smart Agent is not.
The cleanest setup is often both: keep Postiz as your self-hosted scheduler and let Kompozy be the generation engine that fills its queue with real production instead of one-off captions. Start on Kompozy Starter at $99/mo (5,500 credits) and point the output at whatever you distribute. If you only need to schedule, Postiz alone is the right call. If you need to produce, that's where Kompozy earns its place.
No — and they meter different things. Postiz starts at $29/mo (or free self-hosted) and prices by channels; Kompozy starts at $99/mo Starter and prices by generation credits. If you only schedule, Postiz is far cheaper. If your cost is producing content, Kompozy's credit-based generation replaces several tools, which changes the total-cost math.
At the post level, yes. Postiz's Smart Agent drafts captions and hashtags, makes generic text-to-image visuals, and produces short AI clips (allowances scale by plan). It does not do long-form clip detection, avatar/persona video, brand-exact carousels, governed brand voice, or blog/newsletter generation. Its AI assists a post; it doesn't produce a full content set.
For scheduling and publishing, largely yes — Kompozy fans output across eight social platforms plus blog and email with a per-post review. Where Postiz still wins: raw network breadth (it reaches more social networks), full self-hosting, and a more mature developer/agentic API surface. Kompozy is managed SaaS focused on generation depth.
It can be. Postiz is AGPL-3.0 and self-hostable with parity to the hosted version, so you can run the whole product for free on your own infrastructure — you just own the deployment, updates, and uptime. The managed hosted plans start around $29/mo with a 7-day free trial.
They're different jobs, so most people add rather than switch. If you self-host Postiz, keep it as the scheduler and use Kompozy upstream to generate the content that fills its queue. If you want one tool that both produces the content and publishes it, Kompozy replaces the scheduling too — you rebuild your queues and re-authenticate accounts, but you gain clips, avatar video, carousels, a blog, and a newsletter from one source.