Ethereal Engine - Local LLM
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About this app
EtherealEngine lets you run powerful AI language models directly on your Android device β completely offline, completely private.
No cloud servers. No subscriptions. No data collection. Just you and your AI, running locally on your phone.
β‘ TRUE ON-DEVICE AI
All AI processing happens on your device using llama.cpp, a high-performance inference engine optimized for mobile.
Your conversations never leave your phone β not even once.
π₯ BROWSE & DOWNLOAD MODELS
Explore a curated selection of mobile-optimized AI models from Hugging Face, or search the entire catalog. Pick the model size that fits your device β from lightweight 1B models to powerful 10B parameter models. Choose the right GGUF variant for your available storage and RAM.
π¬ FULL-FEATURED CHAT
β’ Multiple chat conversations with persistent history
β’ Per-chat model selection and settings
β’ Attach text files, code, CSV, JSON, and markdown for context
β’ Markdown rendering with syntax-highlighted code blocks
β’ Copy any message or code block with one tap
β’ Thinking mode for step-by-step reasoning
βοΈ FINE-TUNE YOUR EXPERIENCE
β’ Adjust temperature, context size, and max tokens per chat
β’ Control CPU thread usage for the best speed/battery balance
β’ Choose from 10 languages: English, Arabic, Spanish, French, German, Chinese, Japanese, Korean, Portuguese, and Hindi
π¦ SMART MODEL MANAGEMENT
β’ Download progress with background service β downloads continue even if you close the app
β’ Pause and resume downloads β HTTP range support picks up where you left off
β’ See storage usage at a glance
β’ Load and unload models with one tap
π PRIVACY BY DESIGN
β’ Zero data collection β no analytics, no tracking, no ads
β’ No account required β start chatting immediately
β’ No internet needed after downloading a model
β’ Your chats are stored locally and protected by Android encryption
π¨ DESIGNED FOR MOBILE
β’ Clean dark interface built with Material Design 3
β’ Optimized for ARM devices with NEON acceleration
β’ Smooth streaming text generation
β’ Edge-to-edge display support
HOW IT WORKS
1. Browse or search for a model in the Explore tab
2. Download the model variant that fits your device
3. Start a new chat β that's it
Your phone becomes your personal AI assistant. Ask questions, brainstorm ideas, write content, analyze files, get help
with code β all without an internet connection and with complete privacy.
RECOMMENDED SPECS
β’ 6 GB+ RAM for smaller models (1Bβ3B parameters)
β’ 8 GB+ RAM for larger models (7Bβ10B parameters)
β’ ARM64 device (most modern Android phones)
EtherealEngine is engineered by Ramzy. If you enjoy the app, consider supporting development through the in-app donate link.
No cloud servers. No subscriptions. No data collection. Just you and your AI, running locally on your phone.
β‘ TRUE ON-DEVICE AI
All AI processing happens on your device using llama.cpp, a high-performance inference engine optimized for mobile.
Your conversations never leave your phone β not even once.
π₯ BROWSE & DOWNLOAD MODELS
Explore a curated selection of mobile-optimized AI models from Hugging Face, or search the entire catalog. Pick the model size that fits your device β from lightweight 1B models to powerful 10B parameter models. Choose the right GGUF variant for your available storage and RAM.
π¬ FULL-FEATURED CHAT
β’ Multiple chat conversations with persistent history
β’ Per-chat model selection and settings
β’ Attach text files, code, CSV, JSON, and markdown for context
β’ Markdown rendering with syntax-highlighted code blocks
β’ Copy any message or code block with one tap
β’ Thinking mode for step-by-step reasoning
βοΈ FINE-TUNE YOUR EXPERIENCE
β’ Adjust temperature, context size, and max tokens per chat
β’ Control CPU thread usage for the best speed/battery balance
β’ Choose from 10 languages: English, Arabic, Spanish, French, German, Chinese, Japanese, Korean, Portuguese, and Hindi
π¦ SMART MODEL MANAGEMENT
β’ Download progress with background service β downloads continue even if you close the app
β’ Pause and resume downloads β HTTP range support picks up where you left off
β’ See storage usage at a glance
β’ Load and unload models with one tap
π PRIVACY BY DESIGN
β’ Zero data collection β no analytics, no tracking, no ads
β’ No account required β start chatting immediately
β’ No internet needed after downloading a model
β’ Your chats are stored locally and protected by Android encryption
π¨ DESIGNED FOR MOBILE
β’ Clean dark interface built with Material Design 3
β’ Optimized for ARM devices with NEON acceleration
β’ Smooth streaming text generation
β’ Edge-to-edge display support
HOW IT WORKS
1. Browse or search for a model in the Explore tab
2. Download the model variant that fits your device
3. Start a new chat β that's it
Your phone becomes your personal AI assistant. Ask questions, brainstorm ideas, write content, analyze files, get help
with code β all without an internet connection and with complete privacy.
RECOMMENDED SPECS
β’ 6 GB+ RAM for smaller models (1Bβ3B parameters)
β’ 8 GB+ RAM for larger models (7Bβ10B parameters)
β’ ARM64 device (most modern Android phones)
EtherealEngine is engineered by Ramzy. If you enjoy the app, consider supporting development through the in-app donate link.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Whatβs new
First Launch, regular updates coming to support new AI models
Everyone
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About the developer
Ramzy J. A. Abushaaban
ramzy.abu.shaban@gmail.com
Germany