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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.
– 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.
If you want an AI chat experience that’s powerful, flexible, and private, esper - Offline & Private AI is built for you.