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PostSider

Social scheduling for humans and AI agents. One calendar, MCP, REST, and SDK across 30+ networks. Not Sider Omni.

Free accessFree trial
Paid fromStandard$20/month. 1 seat, 5 channels, 400 posts/month. 7-day trial, no card.

At a Glance

PostSider is an AI tool for Social media & campaigns (category: Content & SEO). Free access: Free trial. Paid from $20 (Standard). Documented: 2 plans with prices and limits.

Category
Social media & campaigns
Paid from
$20 / month (Standard)
Free Option
Free trial
Plans
2
Sources
2 verified sources
Website
postsider.com (opens in a new tab)

Category: Content & SEO · Social media & campaigns

Features

PostSider schedules social posts for humans and AI agents across 30+ networks. MCP, REST, and SDK sit on every plan. That is not Sider Omni and not Buffer alone.

Standard $20/month: 1 seat, 5 channels, 400 posts. Team $35/month per the FAQ: 10 channels, seats with no numeric cap. Pro/Ultimate list $ stays unpublished. 7-day trial, no card.

Prices and plans

TierPricePeriodWhat you get
Standard$20month$20/month. 1 seat, 5 channels, 400 posts/month. 7-day trial, no card.
Calendar, agent access, MCP, REST, SDK. 30+ networks. PostSider is not Sider Omni.
Team$35month$35/month per the FAQ on the same pricing page: 10 channels, seats with no numeric cap.
Comparison table: posts with no numeric cap, multi-user roles. List $ is in the FAQ, not on the Standard card.

Prices per vendor, excl. taxes/VAT where applicable.

Limits

7-day trial of the full product, no card. Gating is posts, channels, and seats. Pro/Ultimate list $ stays unpublished.

Alternatives and similar tools to PostSider

A selection for “Social media & campaigns” and curated direct comparisons. Direct comparisons carry the most weight, followed by the shared subcategory and shared tasks. Matching free-access types carry less weight. Ties are resolved consistently. No quality rating.

GetResponseAll-in-one marketing platform with email automation, landing pages and webinars, featuring an AI copywriter, AI subject line generator and (from Creator) an AI website builder.StarterAdCreative.aiAI tool for automatically generating ad creatives (banners, social ads) for Facebook, Google and Instagram, including creative scoring and brand integration.Starter (annual billing)HootsuiteSocial media management platform for teams and agencies with scheduling, monitoring and analytics across multiple platforms; AI features generate posts and images and automate inbox replies.StandardMoosendAI-assisted email marketing and automation platform with an AI Writer, templates, landing pages, and segmentation.ProLately AIAI assistant that breaks long-form text, audio and video into channel-ready social posts, schedules them and analyses performance.StarterUnbounceAI-assisted landing page platform with Smart Traffic (AI visitor routing) and an MCP integration for building landing pages directly from AI assistants such as Claude or ChatGPT.StarterOcoyaDesign, AI-write, schedule, publish, and organise social posts across client workspaces.BronzePredis.aiGenerate, analyse, schedule, and publish social posts, carousels, ads, and videos.Core

FAQ

Is PostSider available for free?

Not permanently. What is published is a time-limited free trial.

Where is the vendor of PostSider based?

Lumi Zone is based in Poland. Regardless of that location, data processing and privacy terms are governed by the vendor's own contract.

How is PostSider billed?

Prices in US dollars as listed by the vendor, without currency conversion. Team $35 is in the pricing-page FAQ. Pro (30 channels) and Ultimate (100 channels) appear in the pricing table; their prices are not listed here. PostSider is not Sider Omni and not Buffer alone.

How much does PostSider cost?

The cheapest paid plan of PostSider is Standard at $20. 2 plans are documented in total, each with its price and limits.

Is PostSider currently available?

PostSider is still active: Active.

How we compare

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare Ninja team

Sources

All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

Visit site (opens in a new tab)

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