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Ludr vs Stacktree

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

Ludr compared with Stacktree
DetailLudr logo LudrStacktree logo Stacktree
What it doesAI screen assistant powered by GPT-4o and Gemini Send client work as a link, not an attachment
StageNot given Not given
FoundedNot given Not given
Based inKZ GB
Pricing modelFreemium Freemium
PricingFree: 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. Free: 3 pages; Solo: $19/month (25 pages, 1 custom domain, 1 client space); Studio: $79/month (unlimited pages, 10 custom domains, 10 client spaces); Firm: $249/month (unlimited pages, 25 custom domains, unlimited client spaces); Enterprise: billed annually, custom pricing.
Key features
  • 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
  • Replace pages in place without changing the URL
  • Works with ChatGPT, Claude, and other AI agents
  • Client spaces with dedicated portals per client
  • Passcode and email domain gates
  • Custom domains on your agency's domain
  • Version history with rollback capability
What makes it different
  • 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
  • Half of published pages change after being sent, so replace-in-place saves resending
  • Works as an MCP server with Claude, ChatGPT and other agents
  • Agency-focused with dedicated client portals and multiple custom domains
  • Analytics show engagement depth, not just opens
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check54 +1 (up) since last check
Trust Flow (Majestic)39
Citation Flow (Majestic)1834
Referring domains (Majestic)15245

6 details filled in for both companies.

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