Entropic Tarot
Quantum Divination Through Sacred Randomness
The World's First True-Entropy Tarot App
Entropic Tarot is a free tarot reading app that uses genuine physical entropy from your device's microphone, camera, and touch sensors to shuffle the deck with real randomness. Unlike every other tarot app that relies on predictable pseudo-random number generators, Entropic Tarot harvests unpredictable noise from the physical world and processes it through bank-grade cryptography (SHA-256, HMAC-DRBG, Fisher-Yates shuffle with rejection sampling) to ensure all 78-factorial possible deck orderings are equally probable.
Six Historic Tarot Decks
Choose from six public-domain decks:
- Smith-Waite (1909) — Pamela Colman Smith's iconic illustrations that defined modern tarot
- Tarot de Marseille: Conver (1760) — Nicolas Conver's classic Tarot de Marseille, printed by the Conver workshop from its 1760-dated woodblocks and hand-coloured by stencil
- Tarot de Marseille: Besançon Variant (c. 1891) — B.P. Grimaud's French woodcut tarot of the Marseille family, with Juno and Jupiter in place of the Popess and Pope
- Grand Etteilla (c. 1890) — The fortune-teller's tarot of Etteilla, the first professional cartomancer, with his own numbering and a keyword printed on every card
- Doubleday Italian Tarot (c. 1880) — A hand-painted Piedmontese tarot from a manuscript tarot notebook probably compiled by Abner Doubleday, Civil War general and Theosophist
- Picard Tarot (1909) — Eudes Picard's black-and-white plates: a Marseille-numbered deck redrawn for the French occult revival
Three Reading Spreads
- Single Card — Quick focused guidance
- Three Card — Past, Present, Future narrative
- Celtic Cross — Comprehensive 10-card reading covering every dimension of your situation
Deep Esoteric Knowledge
Every card includes Qabalah/Tree of Life correspondences, Hebrew letter attributions, astrological associations with decan-level zodiac detail, Golden Dawn elemental titles, sephiroth connections, and real-time planetary positions calculated from precision astronomical algorithms.
AI-Powered Interpretation
An optional AI reader (Claude by Anthropic) synthesizes your entire spread — card positions, reversals, elemental dignities, Qabalah correspondences, and planetary transits — into a coherent narrative interpretation streamed in real-time.
Complete Privacy
All sensor and reading data is processed entirely on your device and immediately discarded. No reading data is ever transmitted. No accounts, no first-party analytics, no first-party tracking. The free tier is supported by display advertising on content pages (served by a third-party ad network under its own privacy policy); paid subscription tiers remove the ads.
Features
- True physical entropy from 3 device sensors
- SHA-256 + HMAC-DRBG cryptographic shuffle
- 6 historic public-domain decks (Smith-Waite 1909, Conver 1760, Besançon Variant c. 1891, Grand Etteilla c. 1890, Doubleday c. 1880, Picard 1909)
- 78 cards with upright and reversed meanings
- Qabalah, Tree of Life, Hebrew letter correspondences
- Real-time astrological planetary positions
- AI-powered reading interpretation
- 3D card animations with haptic feedback
- Ambient sound design
- Save, download, and share readings
- Works offline as Progressive Web App
- No first-party data collection; optional ad-free paid subscription tiers
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