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PostBox

Post the work everywhere. Stay a designer.

macOS native app6 live social platformsBuilt by one personFree forever planNo credit card required
Category
Social media distribution / designer-focused social scheduling tool
Business model
Freemium macOS desktop app with subscription upgrade for unlimited posting.
Stage
Early-stage (public website, download, pricing, and feedback channels; exact launch date and funding unknown)
Target audience
Mac-owning designers, illustrators, product designers, and visual creators who share work across multiple social platforms.
Opportunity score
60/100

A sharp niche product with clear willingness-to-pay potential, but constrained by Mac-only reach, low ARPU, and platform dependency.

Founder verdict
MAYBE

A promising niche product that validates the one-drag workflow, but not yet a high-growth standalone business.

What is PostBox?

PostBox is a macOS-native social publishing tool for designers. It compresses the multi-platform sharing workflow into one drag, one caption, and one post action, with a built-in composition canvas so designers can art-direct screenshots without returning to Figma. The site claims support for X, Bluesky, LinkedIn, Dribbble, Behance, and Cosmos today, with Threads, Instagram, and Pinterest listed as coming soon. Pricing is freemium: a free forever plan includes 30 posts every 30 days, and Pro costs $9.99/month billed annually. The product is explicitly built by one person and operated by Stratus Ventures LLC.

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