Zalcro vs SpacePrompts

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Zalcro compared with SpacePrompts
Detail	Zalcro	SpacePrompts
What it does	Pre-build planning tool that turns app ideas into build-ready plans with architecture docs, diagrams, and prompts before coding starts	AI prompt manager for organizing and syncing prompts across ChatGPT, Claude, and other AI platforms
Stage	Startup	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Starter: Free (1 architecture generation per month, Phase 1 implementation plan, Phase 1 tickets, 1st prompt of Prompt Pack, Markdown/PDF/Mermaid exports). Builder: $19/month or $15/month billed annually at $180/year (unlimited architecture generations, full implementation plan, all tickets, all pro	Free: $0/month with up to 50 prompts, 3 free AI enhancements/day, 3 free generations/day, 3 Playground runs/day; Pro: $5/month ($60 billed annually) with unlimited prompts, 300 enhancements/month, 300 generations/month, 300 Playground runs/month, API access; Team: $9/month ($108 billed annually) wit
Key features	Guided conversation in plain language Project persistence and version history Google Drive synchronization	Store and organize prompts with categories and tags Version history and rollback AI prompt enhancement and generation Playground with free model runs Browser extension for Chrome, Edge, Firefox REST API access to pull prompts Upload reference images to prompts Export to JSON or Excel Role-based team permissions Public prompt sharing
What makes it different	Structured outputs designed for AI tools to execute without losing context across sessions Dependency-ordered sequencing ensures nothing is blocked by work not yet completed Phase boundaries with verification checkpoints between milestones Persistent architecture reference prevents context rot and drift Works with multiple AI coding platforms	Works across multiple AI platforms in one unified library Built for speed and retrieval, not just storage Complete version control to track which prompt version works best Automatic prompt enhancement with specific scoring and fixes Free tier that stays free with no credit card required
Community votes	0	0
DR (Domain Rating by Ahrefs)	12 no change since last check	39 no change since last check
Trust Flow (Majestic)	10	6
Citation Flow (Majestic)	30	26
Referring domains (Majestic)	47	74

5 details filled in for both companies.

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