AI app builders
Pre-build planning tool that turns app ideas into build-ready plans with architecture docs, diagrams, and prompts before coding starts
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Zalcro helps AI app builders plan their projects by generating architecture documents, system diagrams, and coding prompts before writing any code, working with
Zalcro is a spec-driven development tool for builders using AI coding tools. Users describe their app idea in plain language and answer guided questions; Zalcro generates an Architecture Design Document, system diagrams, implementation plans, and platform-specific prompts or dependency-ordered tickets.
For vibe coders using Lovable, Bolt, or Replit, Zalcro produces structured Prompt Packs—sequences of paste-ready prompts designed for each platform. For agentic builders using Cursor, Claude Code, or Codex, it generates sequenced ticket backlogs that their coding agents can read and follow across sessions.
The tool addresses a core problem: most AI apps break at 80% when components need to connect. By planning architecture and system design before prompting begins, Zalcro helps builders avoid the loops of fixing bugs, burning credits, and working with unstable codebases that result from uncoordinated builds.
Zalcro runs in the browser and produces outputs exportable as Markdown, PDF, DOCX, Mermaid diagrams, and Draw.io XML, with integration to Linear for ticket management.
Pricing model: Freemium
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
Zalcro is the pre-build planning tool for AI app builders. You describe your app in plain language, answer a few guided questions, and get a build-ready plan: Architecture Design Document, paste-ready prompts for Lovable and Replit, and dependency-ordered tickets for Claude Code and Cursor, before your coding agent starts. Free to start.
Zalcro is for vibe coders using Lovable, Bolt, or Replit who hit the wall where the AI loses context and code falls apart; agentic builders using Cursor, Claude Code, or Codex who need dependency-aware tickets and persistent architecture reference; and anyone needing to baseline system design, document architecture decisions, and export structured tasks to Linear before the first line of code is written.
The Starter tier gives you a complete build plan and your first paste-ready prompt, with your project saved permanently so you can return and continue the conversation. To unlock all prompts for every build phase (vibe coders) or full implementation plan and ticket backlog (agentic builders), you need a Builder subscription.
ChatGPT is good at thinking through ideas but cannot turn that plan into something your AI can build without losing context or keep decisions consistent across sessions. Zalcro takes what you figured out and turns it into something your builder can execute in order, producing structured step-by-step prompts and tickets with verification steps, and keeping your decisions consistent throughout.
Yes. Zalcro is designed specifically for vibe coding tools like Lovable, Bolt, and Replit. The Vibe Coding workflow produces a Prompt Pack—a set of platform-specific paste prompts you can use directly in your tool of choice, with each prompt giving your coding tool the architectural context needed to build in the right direction from the start.
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