Description
esper - Offline & Private AI is your personal AI chat app—designed to keep your conversations private and powerful.
Run open-source models completely offline on your iPhone. With esper - Offline & Private AI, you can choose to keep your data on your device. No tracking.
Key Features of esper - Offline & Private AI:
– Run Offline
Download top open-source models like LLaMA, Gemma, and DeepSeek directly to your phone—fully functional even without internet or WiFi.
– Bring Your Own Key
Prefer ChatGPT or Claude? Want to use internet search capabilities? Plug in your own API key and get instant access to premium models from their providers.
– Multimodal Support
Chat with models that support vision for images, PDFs, and other files.
– Local RAG knowledge bases
Upload documents into organized collections that you can add to chats to provide extra context for models, all 100% private and offline.
– Shortcuts
Send prompts and attachments to esper from shortcut workflows
– Branching Conversations
Explore different chat paths and easily toggle between threads.
– Privacy-First
No analytics, no log storage, no server necessary. esper - Offline & Private AI gives total user control to choose completely offline chats, or connect with their favourite online providers. The choice is yours.
– Custom GPTs & Model Swapping
Build and edit your own GPTs. Switch models mid-conversation—from Gemini to Claude in a single chat.
– Customizable
Adjust the interface to match your personal style. Take control of conversations with editing, deleting, or retrying messages.
– Go Pro
Pro gives you unlimited model downloads, knowledge base access, and optional color themes and animations.
If you want an AI chat experience that’s powerful, flexible, and private, esper - Offline & Private AI is built for you.