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Zalcro vs Fastio

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 Fastio
DetailZalcro logo ZalcroFastio logo Fastio
What it doesPre-build planning tool that turns app ideas into build-ready plans with architecture docs, diagrams, and prompts before coding starts AI project workspaces where teams and agents share files, search, and work together
StageStartup Startup
FoundedNot given 2025
Based inNot given US
Pricing modelFreemium Free trial
PricingStarter: 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 Starter: $9.99/month or $99/year (3 seats, 250 GB storage, 100,000 credits/month). Business: $49.99/month or $499/year (10 seats, 5 TB storage, 600,000 credits/month). Enterprise: $199.99/month or $1,999/year (30 seats expandable to 200, 25 TB storage, 3,000,000 credits/month). Additional seats beyo
Key features
  • Guided conversation in plain language
  • Project persistence and version history
  • Google Drive synchronization
  • Project workspaces for organizing files, team members, and agents
  • Sync and import from Google Drive, Dropbox, Box, OneDrive without migration
  • Connect Claude, ChatGPT, Codex, Cursor, Gemini, Grok, and MCP clients
  • AI search with cited answers from your own files
  • Metadata extraction to turn documents into sortable data
  • File versioning and visible locks for coordinated team and agent work
  • Shared folders, client portals, and e-signature
  • Activity logging and audit trails for compliance
  • Desktop app for Mac with local folder sync
  • REST API and CLI for developers
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
  • Agents answer 74% faster than through Dropbox alone
  • No migration required - sync existing storage instead
  • Files belong to the organization and project, not the person
  • Seats included with plan instead of per-user billing
  • Built by team with 20 years at internet scale
Community votes00
DR (Domain Rating by Ahrefs)12 no change since last check70 no change since last check
Trust Flow (Majestic)1026
Citation Flow (Majestic)3054
Referring domains (Majestic)471395

6 details filled in for both companies.

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