An app for time travelers.
After you time-travel, there is no Wi-Fi, no cloud, no API key.
The only AI that still works is the one already on your phone.
English · 简体中文 · Releases · Route Design · Knowledge Pack · Discussions
Tell Timet the era, place, identity, starting resources, and goal — it drafts a playable strategy route for wealth, influence, cover, or modern-edge leverage. No lore dumps, no hand-waving. Every answer lands in a structured five-part brief you can act on immediately.
Why on-device AI? Timet runs Gemma 4 entirely on your phone via LiteRT — no server, no internet, no API calls. The model ships with the app (or downloads once), then works offline forever. If you actually time-traveled to Tudor London, Regency Bath, or Victorian Manchester, your cloud-based ChatGPT is gone. Timet still runs. That's the point.
Home briefing Start with era + place + identity + resources + goal, then pick a route or type straight into the strategist.
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Route answer Timet replies in a five-part strategist brief, grounded in the local knowledge pack and written for action. |
- Gemma 4 on your phone — Runs Google's Gemma 4 (2B / 4B) locally via LiteRT. No internet required after setup. Your strategist survives the time-travel with you.
- 100% offline architecture — Bundled knowledge packs + on-device model. No cloud, no API key, no subscription. Works in airplane mode, works after time travel.
- Instant Web preview — The browser build now answers with the same offline route pack, so visitors can try Timet before installing the native app.
- Route-first, not lore-first — Timet gives you a playable path, not a wall of background trivia.
- Structured answers — Every reply converges on five sections: situation read, first moves, main path, fatal mistakes, and next question.
- 8 languages — English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Spanish, French, and German deep-adapted.
- Cross-platform — One codebase ships to Web, Android, and iOS via Capacitor.
What's New in v0.3.0
- New AI-generated Timet icon system across Web, PWA, Android, and iOS
- Dark atlas splash screens replace the old inherited launch artwork
- README hero and social preview card now match the actual product UI
- Native package identifiers now use the Timet app identity
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Web preview now works immediately with a local browser knowledge bridge
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README and architecture docs explain the Web preview + native Gemma split accurately
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Auto-resizing textarea for multi-line prompts (Enter to send, Shift+Enter for newline)
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CSS animations: staggered card entrance, message slide-in, modal slide-up
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Visual model download progress bar
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Copy and share buttons on every AI response
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Confirmation dialog before clearing conversations
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Haptic feedback on native devices
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Model panel focus trap and ARIA accessibility
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Complete translations for Japanese, Korean, Spanish, French, and German
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App.tsx refactored from 1308 to ~550 lines (6 extracted components)
Timet runs a dual-stack architecture: a React 18 frontend talks to a bridge abstraction. On mobile, the Capacitor bridge routes requests to on-device Gemma 4 inference via LiteRT, with offline knowledge retrieval via RAG. On the web, the browser knowledge bridge runs the same offline route pack as an instant preview. Everything runs locally — no cloud, no API keys.
Input formula:
era + place + identity + resources + goal
Example prompts:
| Route | Prompt |
|---|---|
| Fortune Line | Regency London, literate clerk, a few guineas, how do I build my first fortune in 90 days? |
| Power Line | Tudor London, I serve in a noble household. How do I gain influence without getting crushed? |
| Fatal Mistakes | I just arrived in medieval London with no patron. What must I hide first to blend in? |
| Modern Edge | Victorian Manchester, small workshop assistant, a little capital. Which modern methods can become real money first? |
Answer shape — every response follows this contract:
- Current Read — assess the board before you move
- First Three Moves — low-barrier, repeatable first steps
- Riches / Power Path — the main climb
- Do Not Expose — what will get you killed or exiled
- Ask Me Next — break the route into 7 / 30 / 90-day phases
Full answer example
Current Read
You are in a high-circulation city with low starting capital,
which means trust and turnover matter more than miracle inventions.
First Three Moves
1. Start with repeat-demand goods or services.
2. Win trust with clean ledgers and fixed prices.
3. Anchor near inns, docks, guild traffic, or literate commerce.
Riches / Power Path
Stabilize cash flow first, then use paperwork, brokerage,
supply discipline, or patronage to climb.
Do Not Expose
Do not sound supernatural, over-informed, or culturally wrong too early.
Ask Me Next
Break this route into 7-day, 30-day, and 90-day phases.
| Route | What it does | Best used for |
|---|---|---|
Fortune Line |
Finds the fastest realistic path to your first durable cash flow. | Trade, brokerage, ledgers, small goods, repeat demand |
Power Line |
Maps how to become useful before becoming visible. | Patronage, office, clerical leverage, court or military adjacency |
Fatal Mistakes |
Tells you what not to reveal before you understand the local rules. | Arrival cover, etiquette, speech, customs, identity protection |
Modern Edge |
Downgrades modern knowledge into era-appropriate advantages. | Process, packaging, standardization, practical workshop upgrades |
Visual Clues |
Uses visible objects as context and tells you what to ask next. | Coins, seals, script, garments, printed matter, artifacts |
Prerequisites: Node.js >= 20 · Dart >= 3.4
# Install and build knowledge pack
npm install
npm run knowledge:build
# Start dev server
npm run dev
# Run tests
npm test && dart test
# Production build
npm run buildMobile (requires Xcode / Android Studio):
npm run mobile:ios
npm run mobile:androidReact 18 · TypeScript · Vite 8 · Vitest · Capacitor 8 · Dart 3 · Gemma 4 (LiteRT) · Offline Knowledge RAG
- Route-driven V1: wealth, power, cover, and modern-edge planning
- Chinese and English deep-adapted product copy
- Curated offline knowledge pack with route-aware retrieval
- Public GitHub release with CI, discussions, and release metadata
- Polished public demo assets and storefront-style screenshots
- Component architecture refactor + UX animation polish
- Full translations for 8 languages (en, zh-CN, zh-TW, ja, ko, es, fr, de)
- Accessibility: focus trap, ARIA roles, screen reader support
- GitHub Pages live demo
- Multi-turn session memory for follow-up questions
- Community-contributed knowledge packs
- Custom route definitions
- Broader historical region and era coverage
Timet welcomes contributions — whether it is a new knowledge pack, a language improvement, or a bug fix. See CONTRIBUTING.md for guidelines.
Timet is released under the Apache-2.0 License.
Timet runs Gemma 4 on your phone. No cloud. No API key. Just you and your strategist.
If that sounds useful for your next time-travel, give it a star.