VALTAN - Offline Knowledge

Hanatra

Contains adsIn-app purchases

About this app

VALTAN is an offline-first knowledge vault that puts essential human knowledge at your fingertips — no internet required after download.

CURATED KNOWLEDGE LIBRARY -
Browse hundreds of articles across five core domains:
• Survival & Preparedness
• Philosophy & Ethics
• Science & Technology
• Governance & Law
• History & Civilisation

All content is professionally curated and works completely offline once downloaded. Read on your terms — no ads interrupting your learning, no tracking your reading habits.

LOCAL AI ASSISTANT -
Ask questions about what you're reading using a built-in AI that runs entirely on your device. No cloud. No data sent anywhere. Your conversations stay private.

• Download a compact AI model (1.1 GB) once
• Chat about any article in your library and any other related questions
• Get explanations, summaries and deeper context
• All inference happens locally — true privacy

POWERFUL READING TOOLS -
• Text-to-Speech — Listen to articles with neural TTS voices
• Speed Reader — Adjustable WPM for rapid knowledge intake
• Bookmarks & Annotations — Save and organise your highlights
• Reading Progress — Pick up exactly where you left off
• Smart Search — Find articles across your entire library instantly

MULTILINGUAL SUPPORT -
Read in English, Spanish, Russian, Chinese, Hindi or Arabic. Translation language packs download once and work offline. [Content for non-english languages coming soon...]

PRIVACY BY DESIGN
• AES-256 encrypted content storage
• No analytics, no tracking, no user accounts
• No data leaves your device (except purchase verification)
• All AI processing runs locally on-device

PREMIUM — PAY ONCE, OWN FOREVER
Start free with limited access. Upgrade to Premium for a one-time purchase:
• Full library access across all knowledge domains
• Unlimited AI chat queries
• Neural TTS synthesis for all articles
• Priority content downloads
• Free updates forever!
• No subscription — lifetime access

Developed by HANATRA LIMITED. The future is already here.