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Sigils

Updated July 24, 2026

Overview / Description

Sigils is an AI behavioral coaching tool that turns real-world personal development into a life RPG for people who want structure and accountability without paying for a personal coach. Instead of tracking plans or habit streaks, Sigils asks you to log an actual action (exercise, studying, work), then its AI interprets the effort and context, scores it as experience points, and grows your character stats across five dimensions: VIT, STR, DEX, INT, and CHA. Feedback comes from one of four philosophical AI mentors, each with a distinct growth doctrine: Master, Chief, Moe, and Cloudia. The core loop is simple: log action, AI interprets effort and context, mentor responds and intervenes. Concrete features include effort-based scoring, Contracts (commitments witnessed by your mentor), Protocols (pre-built systems for structured improvement), and Signal (momentum tracking that avoids streak dependency). The design is deliberately anti-dopamine and rewards real action rather than passive check-ins or superficial gamification. Sigils draws on mentors, coaches, books, and philosophies to interpret actions through lenses like difficulty, alignment, recovery, discipline, courage, learning, and self-command. It suits quantified-self users and self-improvement seekers who want an accountability layer that responds to what they actually do.

Used For

Self-improvement and quantified-self users log real-world actions to earn XP, build character stats, and get accountability from AI mentors without hiring a personal coach.

Pricing

Free tier

Free

quest logging, basic stat building, limited mentor access, and restricted contracts

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Sovereign tier

Free

expanded contracts, enhanced mentor memory, extended history, and advanced protocols

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Plan

Free

Exact prices not published

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Pros & Cons

Pros

  • Effort-based scoring interprets the difficulty and context of each logged action instead of rewarding streaks
  • Four distinct AI mentors (Master, Chief, Moe, Cloudia) give accountability feedback with different growth doctrines
  • Character stats across five dimensions (VIT, STR, DEX, INT, CHA) turn self-improvement into a life RPG
  • Contracts, Protocols, and Signal add structured commitments, pre-built systems, and streak-free momentum tracking
  • Anti-dopamine design focuses on logging real actions rather than passive habit-tracker gamification

Cons

  • New and unproven product (tagged as a YC application) with a limited public track record
  • Niche appeal: the RPG-and-mentor framing won't suit users who prefer plain habit or task trackers
  • Free tier restricts mentor access, contracts, and history; deeper features require the paid Sovereign tier
  • Documentation and feature details are thin, and exact pricing figures are not published

Questions & Answers

Alternatives

Finch, Habitica, Fabulous, Coach.me, Rise

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