| What it does | Free AI probability tree generator for scenarios and calculations
| AI screen assistant powered by GPT-4o and Gemini
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| KZ
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| Pricing model | Freemium
| Freemium
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| Pricing | Basic: $0 forever with 5 free AI credits, manual editing, up to 3 saved trees, and white-background PNG export. 500 Credits: $12.90 one-time, valid for 30 days, covers roughly 100-160 polished trees. 2,000 Credits: $26.90 one-time, valid for 30 days, covers roughly 400-650 polished trees.
| 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.
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| Key features | - Natural language scenario description
- Automatic calculation and validation of probabilities
- Conversational refinement via chat
- Direct canvas editing of nodes and branches
- Support for conditional probability and dependent events
- Export to PNG, PDF, and SVG formats
- Multi-language natural language support
- Responsive tree layout engine
- Save and manage multiple probability trees
- Question answering about tree probabilities
| - 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
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| What makes it different | - Automatic calculation and validation of all probabilities without manual math
- Conversational chat interface for refining scenarios on the fly
- Natural language input requires no modeling skills or drawing
- Handles both independent and dependent probability events
- Instant downstream recalculation when edits are made
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 5 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 17 | 3 |
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| Citation Flow (Majestic) | 20 | 18 |
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| Referring domains (Majestic) | 16 | 15 |
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ProbPath
Ludr