StoryCodex is an offline TTS novel reader for web novels, EPUB, PDF, and plain text. Listen with on-device neural text-to-speech voices, save your reading progress, and use an AI story companion to remember characters, places, factions, and events without spoilers.

Listen to web chapters, EPUBs, PDFs, and plain text. Background playback
with lock screen controls. No subscription required for local voices.

NEURAL VOICES, FULLY OFFLINE

- Supertonic, Kokoro and Piper neural TTS—clear, expressive narration on your phone
- Runs entirely on-device: no cloud voice API, no usage limits
- Background playback with notification and lock screen controls
- System TTS also available if you prefer it

LOAD ANY NOVEL

- Web chapters: paste a URL; StoryCodex strips ads and clutter
- Local files: EPUB, PDF, and plain text
- Reading progress saved across your library
- Bundled demo: explore a fully built Story Codex on A Princess of Mars
(no setup required)

SPOILER-FREE STORY CODEX

Built for web novels, light novels, and long fantasy epics. A living
encyclopedia that only knows what you have read so far.

You are on chapter 847. Someone shows up you half-remember. Skip the wiki
and spoilers—see who they are from your story so far only.

- Character profiles: names, aliases, motivations as they appear
- World building: places, factions, items, systems
- Interactive timeline: key events in order after a long break
- Visual relationship map (Pro): how the cast connects

No account required for local analysis.

PRIVATE AND LOCAL BY DEFAULT

- Local AI analysis on your device. Your chapters are not sent to StoryCodex servers.
- Optional cloud models (Pro + your own API key): keys stay in the device secure vault

STORYCODEX PRO (OPTIONAL, ONE-TIME)

- Cloud AI with your Claude or Gemini key for complex world-building
- Full interactive relationship map
- Discounted upgrade if you already own Remove Ads

Free tier includes local voices and local AI. Pro is for power readers.

Stop just reading. Start listening—and know your story when you want to.

Download StoryCodex. Your stories, your device.

Technical Requirement: Minimum 8GB of RAM of local models.