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WhittleOS vs Ludr

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

WhittleOS compared with Ludr
DetailWhittleOS logo WhittleOSLudr logo Ludr
What it doesA startup decision engine for solo founders that kills weak ideas before they waste your months AI screen assistant powered by GPT-4o and Gemini
StageNot given Not given
FoundedNot given Not given
Based inNot given KZ
Pricing modelPaid Freemium
PricingStarter: $19 (2 credits); Founder Discovery Pass: $49 (6 credits); Multi-Market: $99 (15 credits); Working Founder: $149 (30 credits). Credits never expire. New accounts receive 2 free credits for any run except Discovery. Free: 25 asks per week; Ludr Pro: $9 per month (USD), billed monthly, with unlimited screen selections, six interpretation lenses, voice mode, visual grounding, inline edit, OCR, Claude Code actions, threaded follow-ups, and priority email support. 14-day refund window, cancel anytime.
Key features
  • 12 deal-breaker checks for evaluating ideas
  • Market discovery with live searches across real sources
  • Whittle Score ranked 0–100 from fixed rubric computed in code
  • Build it / Test it first / Drop it verdict with reasons
  • Evidence linked to source pages or marked not verified
  • Up to 5 ranked idea candidates per Discovery run
  • Deep-dive modules: Kill My Idea, Pricing Power, Support Burden, Platform Risk, Pivot Wedge
  • Prepaid credits with no expiration
  • Free founder profile read and 2 free credits on signup
  • Async-only validation with no customer calls required
  • Hotkey activation with screen freeze and selection box drawing
  • Multiple AI interpretation lenses: Explain, Translate, Summarize, Fix, ELI5, Roast
  • Voice mode with automatic silence detection
  • Visual grounding pointing to specific UI elements
  • Inline editing to rewrite text in place
  • Selection hotkey for text-only capture via Accessibility APIs
  • Quick Hotkeys with custom shortcuts bound to fixed prompts
  • Threaded chat history with full context and follow-ups
  • Local data storage with no telemetry or tracking
What makes it different
  • No subscription or sales calls—pay per decision with credits that never expire
  • Works entirely locally with no data sent to servers except the active selection
  • Can edit text inline directly in other applications like Slack and WhatsApp
  • Three hotkey activation methods: classic overlay, selection text hotkey, and voice
  • Free 72-hour launch promo with all features unlocked
Community votes00
DR (Domain Rating by Ahrefs)4 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)183
Citation Flow (Majestic)2418
Referring domains (Majestic)5115

5 details filled in for both companies.

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