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PromptShield vs SkeletIQ

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

PromptShield compared with SkeletIQ
DetailPromptShield logo PromptShieldSkeletIQ logo SkeletIQ
What it doesStop rewriting prompts. Get better AI answers. The architecture layer for AI coding agents
StageNot given MVP
FoundedNot given Not given
Based inNot given IN
Pricing modelFreemium Freemium
PricingFree: 3 successful optimizations per day, full optimizer quality, no credit card required. Pro: $7.99/month for unlimited successful prompt optimizations. Free: $0/month with 100 credits/month, 3 projects, 51 templates, watermarked exports. Pro: $14.99/month with 1,500 credits/month, unlimited projects, full version history, PDF reports, unmarked exports. Enterprise: custom pricing, contact sales.
Key features
  • One-click prompt optimization across 7 AI chats
  • Prompt Library and Optimization History
  • Guard feature for sensitive information detection
  • Local image text OCR checking
  • Coach and Personalization
  • Apply without sending functionality
  • AI architecture generation from natural language prompts
  • Interactive visual canvas for architecture design
  • Rule-based architecture critique with recomputable findings
  • MCP protocol integration with Claude Code and other agents
  • Multi-format export: PNG, SVG, JSON, YAML, Markdown, Mermaid, PDF
  • C4 and Mermaid diagram generation
  • Deterministic build order generation
  • Bring Your Own Key (BYOK) support for custom models
What makes it different
  • Same high-quality optimizer in both free and paid versions
  • No credit card required for free plan
  • Local data storage for library, history, and personalization
  • Works within existing AI chat interfaces without leaving them
  • Transparent about data handling and privacy
  • Hands architecture specs to AI agents over MCP protocol, not static diagrams
  • Architecture checks are recomputable and traced to components
  • Deterministic build order and drift detection with no model in the middle
  • Every architectural component priced in real-time
  • Compliance checking and architecture critique in one tool
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)Not checked yet no change since last check6 no change since last check
Trust Flow (Majestic)96
Citation Flow (Majestic)1921
Referring domains (Majestic)925

5 details filled in for both companies.

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