Postiz Open Source vs Paid: The Subscription Is Not What You Are Buying

Postiz is open source. You can run it yourself and pay nothing for the software. So what does the paid plan sell?

The usual answer is "hosting and support". The better answer is printed on Postiz's own pricing page, and it is more specific than that.

What the paid tiers cost (2026-09-15, first-hand)

Per channel that is $5.80 → $3.90 → $1.63 → $0.99, a clean volume discount — which fits a pattern we keep confirming: tools that meter by unit give volume discounts; tools that sell named tiers do not. Postiz meters by channel, so it does.

Also new this round: the AI video allowance now runs 3 / 10 / 30 / 60. An open-source scheduler shipping a generation quota is a notable direction of travel for the category.

The sentence that decides it

On the same pricing page, in the FAQ, Postiz says this about getting social apps approved:

"Facebook, Instagram, Threads and YouTube are more complicated and can usually take more than a month"

This is the whole comparison in one line, and it is unusual because it is the vendor arguing against its own free option being free.

Here is why it matters. When you self-host a scheduler, you are not just running software — you become the developer. Every platform you want to post to requires your app to be registered and, for the big ones, reviewed. Until that review passes, your self-hosted instance cannot post to that platform at all.

So the real trade is not "free software vs $29". It is:

The credential cost nobody budgets

There is a second line item hiding behind "your own API credentials", and it got sharper in 2026: X closed its free API tier to new developers on 2026-02-06 and moved to usage-based pricing.

How real is that? One competitor now prints the pass-through rates on its own pricing page: reads at roughly $0.005 per request and posts containing links at roughly $0.200 per request, passed through at exact cost. If you self-host and post to X on your own credentials, that meter runs against you, not against your vendor.

Self-hosting does not remove the bill. It moves the bill from one line to three: server, review time, and platform API usage.

Who ends up paying for X across this whole category is traced in Who Is Paying for the X API Now?.

A decision rule that takes thirty seconds

1. List the platforms you must post to.
2. Is Facebook, Instagram, Threads or YouTube on that list?
   • Yes, and you need it within a month → pay. Postiz has told you the timeline.
   • Yes, but you can wait → self-hosting is viable; start the review today, not after you finish setup.
   • No (X, Mastodon, LinkedIn, Bluesky…) → self-host, the approval problem mostly evaporates.
3. Count your channels. Above ~30, the per-channel maths on the paid tiers gets good enough that the server plus your time may not win.

One more consideration that applies either way: both paths publish through platform APIs with tokens you authorised, so both inherit the platform's own ceilings — Instagram's 24-hour publishing window, TikTok's 6 requests per minute and 5 pending shares. Self-hosting does not buy you more headroom there. That whole quota layer is mapped in this piece.

The running cost nobody includes in the comparison

Every "self-hosting is free" calculation we have seen stops at the licence. Here is the fuller ledger, with the items that actually recur:

Rows three and four are the ones that decide it in practice, and neither is a fixed number. Social platforms change authentication flows, deprecate endpoints and adjust permission scopes on their own schedule, and a self-hosted instance breaks silently — you find out when a post does not go out.

Self-hosting is cheap in money and expensive in attention. That is a fine trade if you have more attention than money, and a terrible one in the opposite case.

There is a version of this where self-hosting wins clearly: a high channel count on platforms that do not require heavy review, run by someone who would be maintaining a server anyway. At 100 channels, the Ultimate tier is $99 a month and a VPS is a fraction of that — the arithmetic flips hard at the top of the ladder, which is the opposite of what most people assume when they start looking at self-hosting to save $29.

The wider open-source picture, including what the tools in this category genuinely do and do not replace, is in Open Source Social Media Automation Tools.

There is also a middle option people rarely consider: self-host, but pay someone to handle the app reviews. Postiz's FAQ refers to app approval as an additional service with "different prices between social media apps approval" — meaning the vendor will sell you the hard part on its own. Whether that is worth it depends entirely on how many of the difficult four you need; for one platform it usually is not, and for all four it starts to look like the subscription you were avoiding. What matters is that the review queue is a purchasable problem, not an immovable one, which is a useful thing to know before you write off self-hosting on timeline grounds alone.

FAQ

Is self-hosted Postiz feature-limited compared to the paid plan?

The software is the same project. The practical differences are operational: you supply the server, the credentials and the app reviews. The limits you will actually feel come from the platforms, not from the licence.

Can I self-host and still use the AI video feature?

Generation features generally depend on upstream model providers, which means they cost money wherever they run. If you self-host, expect to supply those keys yourself and pay per use rather than receiving a monthly allowance.

Postiz or Mixpost for self-hosting?

Different licensing shapes entirely — Mixpost is a one-time purchase limited to one domain, with its own network limitations on the Lite edition. Both are compared in Postiz vs Mixpost and Mixpost Pricing.