App Intel

Polyphony: AI Narrative Engine

LiveAstroKit3 apps · 5.4K installsEntertainmentFreeIn-app purchases: $0.99 - $2.99 per itemcom.polyphony.byok

Build worlds and chat with AI. Private, local-first BYOK narrative engine.

Alert me★ WatchOpen in Play ↗
Total installs
10
exact · Play shows 10+
Installs / day
0
since last crawl
Rating
—★
— ratings · — reviews
Released
—
—
Last update
30 Aug 2026
1mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
9.812.314.917.42010 Oct11 Oct12 Oct
9.812.314.917.42010 Oct11 Oct12 Oct

Installs per day · last 90 days

00.30.50.8111 Oct12 Oct12 Oct11 Oct: 012 Oct: 0

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • Shares data with third parties Photos and videos, Files and docs, and App activity
  • Collects data Personal info, Financial info and 3 others
  • Data is encrypted in transit
  • You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 1 group
0 Sensitive1 Notable4 Routine
OtherNotable5

Access to miscellaneous device features that don't fit other categories

  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
  • Read Google service settings stored on your deviceread Google service configuration · com.google.android.providers.gsf.permission.READ_GSERVICES

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Polyphony: The Ultimate Private AI Narrative Engine Polyphony is a next-generation platform for world-builders, roleplayers, and writers who want total control over their AI storytelling experience. Unlike other platforms, Polyphony is a "Bring Your Own Key" (BYOK) app, meaning your stories stay truly private, local, and secure on your device. FORGE YOUR OWN UNIVERSE Unleash your creativity with a suite of sophisticated tools designed for deep immersion: •Neurons (Character Agents): Create complex AI personalities with unique memories, traits, and styles. •Lorebooks: Build a persistent encyclopedia for your world. Define locations, items, and history that the AI will actually remember and respect. •World State Engine: Your narrative isn't just a chat log. The world evolves based on your actions, maintaining a consistent reality across your entire story. TOTAL PRIVACY & CONTROL (BYOK) We believe your stories are personal. Polyphony operates with a "Privacy First" philosophy: •Bring Your Own Key: Connect to your preferred AI providers (DeepSeek, OpenAI, etc.) directly. You only pay for what you use, with no hidden subscriptions or data mining. •Local-First Storage: Your databases, characters, and lore are stored securely on your device, not on our servers. •On-Device AI Utilities: We use advanced local embedding models (ONNX/DJL) to process long-term memories without sending your entire history to the cloud. SHARE AND DISCOVER While your vault is private by default, Polyphony allows you to inspire others: •World Sharing: Export your world configurations into unique "World Codes" and share them with the community. •Ghost Hub: Download worlds created by other users and step into new dimensions instantly. •Seamless Backups: Export your entire vault into an encrypted archive to ensure your creative legacy is never lost. MODERN INTERFACE, CLASSIC IMMERSION •Dynamic Themes: Experience a UI that reacts to your story with beautiful, fluid animations and customizable fonts. •Immersive Mode: A distraction-free environment focused entirely on the narrative flow. •Cross-Model Compatibility: Easily switch between different AI models and providers to find the perfect voice for your story. Step into Polyphony today and start building the stories only you can tell.

What's new

Welcome to the Polyphony Open Beta! -Quality of life (QoL) improvements -You can now stop a call instantly during generation in the Story screen. -Enjoy a more polished look with our new aesthetic, dynamic text bubbles. -Dive into the latest "Polyphony" volume, now available! -Reworked our "Phantom Brain" architecture. -Transparency: Updated Settings with easier access to our Privacy Policy for better data transparency.

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