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21M Space

Less work. More free time.·21m.space

$11.99–$23.99/mo · No free plan (15-day trial) See pricing ↓

21M Space is a social media management platform that lets teams and agencies plan, schedule, and monitor posts across multiple client workspaces. It centralizes content approval workflows, feedback comments, and audit trails so posts can be reviewed and approved in one click. A visual content calendar shows scheduled posts across accounts, and the platform supports collaboration between teams and their clients.

What it's for

Managing social media post approval workflowsOrganizing multiple client workspacesScheduling and tracking social media posts on a content calendarCollecting feedback and approvals from clients in one placeCoordinating team collaboration on content

Features 14

Approval workflows
Approve/reject posts in one click
Audit trail and change history
Bilingual platform experience
Calendar and status views
Centralized feedback collection
Feedback comments
Integrated content calendar
Multi-account calendar view
Multiple workspaces to organize clients
Public approval links with passcode (work in progress)
Streamlined post scheduling
Team collaboration with clients
Visual calendar views

At a glance

free trial

TypeWeb app

DeploymentCloud

PlatformsWeb

ForSocial/marketing agencies managing multiple clients, Influencers who take social media professionally, Freelancers/creators who work with content and approvals, In-house marketing teams with monthly content volume

Company21M Space

Integrations

Instagram

Resources

Docs

Pricing

The FAQ text states slightly different storage limits for two plans (Early Adopters: 8GB, Premium: 4GB) than the plan cards shown elsewhere on the pricing page (10GB and 5GB respectively); the plan-card figures were used in the structured data above. The Early Adopter offer is limited to 100 spots and cannot be combined with other promotions.

Pro Plan$15.99/mo

Described as ideal for individuals and startups.

Up to 5 workspaces, up to 2GB of media storage

Premium Plan$23.99/mo

Described as for growing teams and agencies.

Up to 15 workspaces, up to 5GB of media storage

Early Adopters$11.99/mo

Promotional plan open only to the first 100 paid users (87 spots left at time of publication); price stays locked while the subscription remains active; equivalent to the Premium plan with double the limits at half the price.

Up to 30 workspaces, up to 10GB of media storage; limited to the first 100 paid users

Early Adopter plan gives 50% off the Premium plan price with double the workspace and storage limits, limited to the first 100 paid users.