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MySpec vs Startpacks

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

MySpec compared with Startpacks
DetailMySpec logo MySpecStartpacks logo Startpacks
What it doesAI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code Copy-paste Cursor rules, Claude Code skills and AGENTS.md files for AI agents in your stack
StageMVP Not given
FoundedNot given Not given
Based inSG SE
Pricing modelFreemium Freemium
PricingFree: 20 projects, 100 spec files, 20 public share links per month. Pro: 5× AI usage limit, 100 projects, unlimited specs. Team: 10× AI usage limit per seat (2 seats minimum), unlimited projects and specs. Free packs available; paid packs use one-time Stripe Checkout payment (no subscription)
Key features
  • 4-file spec bundle generation (constitution, requirements, solution, tasks)
  • Structured interview to clarify scope and edge cases
  • Live Mermaid diagram rendering
  • ZIP export of spec bundle
  • MCP Server integration for IDE agents
  • Greenfield and Brownfield workflow support
  • EARS+ acceptance criteria format
  • Versioned diffs for spec refinement
  • Team collaboration and shared projects
  • Plain-English edits in chat
  • Cursor rules for different stacks and project types
  • Claude Code skills for engines and tools
  • AGENTS.md cross-platform rules
  • Ready-made subagent roles
  • Single prompts for specific jobs
  • Bundled collections at discounts
  • Packs for website types like SaaS, blogs and shops
  • Game engine packs for Unreal, Unity, Godot
  • App type packs for iOS, Android, Flutter
  • Developer type packs for TDD and security review
What makes it different
  • Replaces vague prompts with immutable 4-file architectural contracts to prevent AI hallucinations
  • Senior Architect interview catches edge cases before coding begins
  • Supports both Greenfield and Brownfield project workflows
  • Test-first methodology integrated into agent configurations
  • Ready-to-use, downloadable files that drop directly into repositories
  • Cross-platform compatibility for Cursor, Claude Code and Codex
  • Covers diverse stacks, genres and roles for different needs
  • One-time payment model with no subscriptions
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)22 +1 (up) since last check4 +1 (up) since last check
Trust Flow (Majestic)110
Citation Flow (Majestic)270
Referring domains (Majestic)1000

6 details filled in for both companies.

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