Best Social Media Scheduler 2026: Posta vs Buffer vs Hootsuite vs Later vs Publer vs Postiz vs Sendible
An honest, table-heavy comparison of the seven major social media schedulers in 2026. Same axes — networks supported, pricing model, public API, outbound webhooks, Bluesky and Threads coverage, comments inbox, CLI access, open-source status — across every tool. Updated .
We make Posta. We've tried to keep this page accurate to each competitor's publicly published feature list at the time of writing. If you spot something out of date, tell us and we'll fix it.
The full comparison matrix
Skim the table for the quick answer; the per-tool callouts below explain the nuance.
| Feature | Posta | Buffer | Hootsuite | Later | Publer | Postiz | Sendible |
|---|---|---|---|---|---|---|---|
| Networks supported | 9 | 9 | 20+ via integrations | 7 | 11 | 9+ via plugins | 10+ |
| Native Bluesky | Yes | Yes | Partial | No | Yes | Yes | Partial |
| Native Threads | Yes | Yes | Partial | Yes | Yes | Plugin-dependent | Yes (recently added) |
| Free tier | 14-day trial, no card | Free tier (limited) | 30-day trial | 14-day trial | Free tier (limited) | Free if self-hosted | 14-day trial |
| Pricing model | Flat tiers (usage) | Per channel + seats | Per seat | Per seat | Per profile | Self-hosted or cloud | Per seat |
| Public REST API | Every paid tier, OpenAPI | Gated | Enterprise / partner | No | Partial | Open source | Limited |
| Outbound webhooks | HMAC-signed, retried | No | No (not in published feature list) | No | No | Self-built | No |
| CLI / IDE posting | Claude Code skill | No | No | No | No | CLI via code | No |
| Comments inbox | LinkedIn, TikTok (v1) | Engage (paid) | Inbox 2.0 (broad) | No | Limited | No | Built-in (broad) |
| Face-aware cropping | Yes | No | No | No | Partial | No | No |
| Open source | No | No | No | No | No | Yes (AGPL) | No |
| Mature mobile apps | Web-responsive | Yes | Yes | Yes | Yes | Web only | Yes |
Comparison based on each competitor's publicly published feature list and pricing page at the time of writing (May 2026). If a row is out of date, the contact link in the intro reaches us directly.
Per-tool callouts: who's best at what
Posta — best for developer-leaning creators and small teams
The only tool in this comparison with a Claude Code CLI, native Bluesky support, a full public REST API on every paid tier, and outbound HMAC-signed webhooks. Pricing is flat (not per-seat). Comments inbox is scoped to LinkedIn and TikTok in v1 but actively expanding. Mobile is web-responsive only — no native apps yet. Best for indie creators, solo founders, and small teams who value an API. Compare directly to Buffer →
Buffer — best for solo creators who want polish
Mature mobile apps, polished UI, established brand, useful free tier for 1–2 connected accounts. Start Page (link-in-bio) is genuinely good and free with paid tiers. API exists but practical access is gated. No outbound webhooks. Best for individual creators who want a familiar, low-friction tool.
Hootsuite — best for large enterprise teams and agencies
Deepest role-based access, approval workflows, and Inbox 2.0 across the widest network range. Compliance certifications other tools don't claim. Pricing scales aggressively per seat. API is enterprise / partner-gated. Outbound webhooks only on enterprise. Best for 50+ person teams with compliance requirements. Compare directly to Hootsuite →
Later — best for Instagram-first workflows
Visual-planning roots show — drag-and-drop Instagram grid preview is the strongest in the category. No native Bluesky support. No outbound webhooks. Covers 7 networks. Best if Instagram is 80%+ of your workflow and you want the cleanest visual planner.
Publer — best if you want AI-assist on a budget
AI caption generation, AI image generation, and AI workflows are unusually deep for the price point. Per-profile pricing is friendly for small portfolios. Comments inbox is limited. No outbound webhooks. Best for content creators who lean heavily on AI assistance for caption and content work.
Postiz — best if you self-host
The only major open-source option. AGPL-licensed; full source on GitHub. Run it yourself for free, or use their managed cloud. Coverage of any specific network depends on which plugins are maintained. Best for technical teams who need full data control or want to extend the tool with code.
Sendible — best for client-management-heavy agencies
Built around the agency-with-clients workflow: client dashboards, white-label reporting, content suggestion engines. Per-seat pricing. Comments inbox is broad. No CLI or outbound webhooks. Best for marketing agencies that bill clients for social media management.
Decision matrix: pick a scheduler by what you need most
| If you need… | Pick |
|---|---|
| A REST API on every paid tier | Posta |
| Outbound HMAC-signed webhooks | Posta |
| To post from your terminal / Claude Code | Posta |
| Free tier for a single user | Buffer |
| Polished native mobile apps | Buffer, Hootsuite, Later |
| Compliance certs (SOC 2, ISO 27001) | Hootsuite |
| Deep agency role-based access | Hootsuite, Sendible |
| Strongest Instagram visual planner | Later |
| Most AI-assist for content creation | Publer |
| To self-host on your own infrastructure | Postiz |
| Native Bluesky scheduling | Posta, Buffer, Publer, Postiz |
| Comments inbox covering many networks | Hootsuite, Sendible |
| Comments inbox for LinkedIn + TikTok with API | Posta |
| Face-aware automatic cropping | Posta |
How we picked these competitors
We compared Posta against the schedulers we see most often in head-to-head conversations with customers, plus the major open-source option. The criteria:
- Active product — shipping new features in the last 12 months.
- Multi-platform — supports at least 6 of LinkedIn / TikTok / Instagram / YouTube / Pinterest / Facebook / X / Bluesky / Threads.
- Public pricing — non-enterprise tier visible on the website.
- Notable in the category — referenced in G2 / Capterra / Reddit comparison threads.
We deliberately excluded tools that are either deprecated, single-platform-only, or that explicitly position themselves as enterprise-only with no published pricing.
Where Posta is honest about its gaps
We don't ship native mobile apps. We don't have a link-in-bio product. Our team-collaboration is basic. Our comments inbox is LinkedIn + TikTok only today. We don't have SOC 2. If any of those are dealbreakers, one of the other tools in this table is a better fit — we'd rather you find that out from this page than after you've migrated.
Social media scheduler comparison FAQ
Which social media scheduler supports Bluesky?
Posta supports Bluesky natively via the AT Protocol, with threads, alt text, embed cards, language tags, and content labels. Buffer and Publer also support Bluesky; Later does not at the time of writing; Hootsuite has partial support; Postiz (open source) and Sendible vary.
Which social media scheduler is cheapest for solo creators?
Buffer's free tier is hard to beat for a single user with 1–2 connected accounts. Past 2 accounts or any team use, Posta's entry tier is typically cheaper than Buffer's paid tiers. Postiz is free if you self-host. Sendible and Hootsuite are agency-priced and not optimised for solo creators.
Which social media scheduler is cheapest for agencies?
Posta and Publer use flatter pricing models that scale better than per-seat tools (Hootsuite, Sendible) past 3–5 team members. Postiz can be free if you self-host but you take on the operations cost. Hootsuite has the deepest agency tooling at the highest price.
Which social media scheduler has the best public API?
Posta exposes a full REST API documented with OpenAPI on every paid tier, with self-serve bearer tokens. Buffer has a real API but practical access is gated. Hootsuite's API is enterprise / partner-gated. Later, Publer, and Sendible vary. Postiz, being open source, gives you full code access but the API is community-driven.
Which social media schedulers ship outbound webhooks?
Posta ships HMAC-signed outbound webhook delivery (post.scheduled / post.published / post.failed / per-result) on every paid tier. Most competitors — Buffer, Hootsuite, Later, Sendible — do not ship outbound webhooks at the time of writing. Postiz exposes events directly because the code is yours to extend.
Which social media scheduler has a CLI?
Posta ships a Claude Code skill that lets you schedule and publish posts from your terminal or IDE via natural-language commands. No other major scheduler in this comparison has a comparable developer-CLI surface.
Which social media scheduler has a comments inbox?
Hootsuite's Inbox 2.0 has the widest network coverage and is the most mature. Posta's comments inbox covers LinkedIn and TikTok in v1 with inline reply. Buffer's Engage is in the middle. Later, Publer, and Postiz do not ship a unified comments inbox.
Is there an open-source social media scheduler?
Postiz is the major open-source option — self-host or use their managed cloud. It's the right pick if you need full data control and don't mind running infrastructure. Everything else in this comparison (Posta, Buffer, Hootsuite, Later, Publer, Sendible) is hosted SaaS.
Which social media scheduler supports the most platforms?
Hootsuite claims the largest list via integrations (20+ networks including older systems like Tumblr and Reddit). For mainstream networks — LinkedIn, TikTok, Instagram, YouTube, Pinterest, Facebook, X, Bluesky, Threads — Posta, Buffer, Hootsuite, and Publer all cover 8–10. Later is Instagram-heavy and covers fewer networks. Postiz coverage depends on plugins.
Which is the best social media scheduler for developers?
Posta — it's the only tool in this comparison with a Claude Code CLI, a full public REST API on every paid tier, and outbound HMAC-signed webhooks. Postiz comes second because the source is open. The rest are designed primarily for marketing teams, not developer workflows.
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