✦ Cloud Models · On-Device AI · 31+ Built-in Tools

Your AI Can Talk.
With Holo, It Can Act.

Connect to any OpenAI-compatible API with your own key — or run AI models entirely on your device, offline and free. Switch between 200+ models, unlock 31+ real-world tools, and give your AI a private memory.

📱 Download on App Store 📖 View on GitHub
200+
Models Supported
31+
Built-in Tools
20+
Languages
10
Accent Colors
✦ Features

What Makes Holo Chat Pro Different

Not just another AI chat app. A tool-enabled assistant that respects your privacy.

🔌

Universal API Support

Connect to OpenAI, OpenRouter, or any OpenAI-compatible provider. Use Claude, Gemini, Grok, DeepSeek, Qwen, GLM, Groq, local LLMs — switch with one tap.

🧰

31+ Real-World Tools

Your AI can search the web, run code, download files, manage projects, send emails and texts, make calls, set reminders, check your health, control your smart home, navigate, play music, generate PDFs — and more.

⚡

Prompt Caching

Compatible models support prompt caching to slash token usage on long conversations. Cut API costs in half or more on repeated context.

🎨

Beautiful Rendering

Markdown, LaTeX math, Mermaid diagrams, syntax-highlighted code, SVG & HTML live previews. Tap any message for full-screen reading.

🎙️

Multimodal Conversations

Send images, record voice memos, attach video. Receive image and audio replies. Your AI sees and hears what you do — all in one thread.

💾

Your Data, Your Device

Every chat saved as an individual file. Browse, back up, edit, transfer via Files app. No lock-in, no gatekeeping. Recycle Bin keeps deleted chats for 30 days.

🖥️

Desktop-Grade WebUI

Powerful web interface on your local network. Browse conversations, manage profiles, backups, projects, system prompts, and explore 200+ models with smart filters.

💬

Smart Conversation Management

Color-coded tags, filters, batch-select, bulk-tag, auto-summarize with AI. Search titles and messages. Lock with Face ID or Touch ID.

🛠️

Custom Skills

Tell the AI to write and run custom scripts on the fly. Process data, generate HTML, SVGs. If 31+ tools aren't enough, the AI creates what you need.

🔒

Privacy First

No accounts, no cloud sync, no telemetry. Everything stays on your device. Nothing leaves unless you choose to share it. API keys stored securely in iOS Keychain.

🎵

Music Playback Control

Play, pause, skip, adjust volume — all through the AI chat. No need to leave the app to control your music.

🗺️

Location & Navigation

GPS location, place search, map display, and navigation with 7 ride-hailing apps. Find nearby places and get directions — all through AI chat.

🧠

On-Device AI

Run AI models entirely on your device — no internet, no API key, no per-message cost. Your questions stay on your phone. Perfect for private or offline use.

💭

AI That Remembers

Your AI keeps a private memory of past conversations. Ask "What did I say about X?" and it recalls the answer — stored securely on your device.

🔗

Device Sync

Seamlessly sync conversations and projects across your own devices, over your own network. No cloud accounts, no third-party servers.

🦊

Mac → iPhone Webpage

From your Mac, send any webpage to Holo Chat Pro with one click and get an instant AI summary on your phone. Perfect for reading long articles on the go.

⬇️ Download the Mac Safari Extension
🏠

Health & Smart Home

Ask your AI about your health and fitness data, or control your smart home devices with simple commands — all in natural conversation.

v1.1.2 Release Notes

New Features

Pattern backgrounds for project views, customizable settings panel patterns, and toggleable background patterns — pick the look that fits your style. New permission service and hub view for managing app permissions. Improved OCR with the Paddle OCR engine for faster, more accurate on-device document scanning.

Improvements

Standardized typography across all list views, uniform spacing in vertical layouts, and a redesigned menu-style pattern selector. Faster rendering and smoother scrolling, optimized persistence calls for quicker save and load, and improved thumbnail preview handling.

All Releases

Everything we've shipped — from the first release to v1.1.2.

v1.1.2 Aug 22, 2026

New Features

Pattern backgrounds for project views, customizable settings panel patterns, and toggleable background patterns — pick the look that fits your style. New permission service and hub view for managing app permissions. Improved OCR with the Paddle OCR engine for faster, more accurate on-device document scanning.

Improvements

Standardized typography across all list views, uniform spacing in vertical layouts, and a redesigned menu-style pattern selector. Faster rendering and smoother scrolling, optimized persistence calls for quicker save and load, and improved thumbnail preview handling.

v1.1.1 Aug 2026

New Features

Fork conversations into branching dialogues from any point and run AI entirely on-device with automatic model switching and real-time readiness indicators. Play videos in fullscreen, track per-model token usage with animated breakdowns, cycle through profiles with a single action, and long-press to switch models. Vision badges show which models support multimodal content, up to 9 quick-switch profiles for more flexibility, smarter search that prioritizes conversation titles, and a full-screen global map with pinch-to-reset and drag-to-adjust markers.

Improvements

Significantly faster chat message rendering and list scrolling, automatic model hardware adaptation for local AI, reliable async model loading with health monitoring, and real-time per-model token tracking with no unnecessary CPU usage on Mac. Easier-to-read model names, clear notifications when models switch, a model readiness guard that blocks sending before the model is ready, search results that prioritize matching titles, smoother navigation transitions, and improved local model switching payload and configuration.

Fixes

Fixed fork conversation navigation, missing tags and tap issues in conversation lists, and text overflow in the token stats panel. Fixed iOS copy/paste of formatted text, multi-language support across maps/settings/tools, device sync display and synchronization, widget display and conversation list performance, and streaming output display. Fixed code block and table rendering in messages, image gallery layout and missing items and download button, close button size and spacing, tab view chat opening, and streaming and message list speed.

v1.1.0 Aug 8, 2026

New Features

Advanced search across conversations for faster information retrieval. Interactive map view with global markers and drag-to-adjust pins. Extended memory management tools for better context awareness. Web interface favicon for easier tab identification. Broader iOS version compatibility.

Improvements

Significantly faster chat message rendering and list scrolling. Enhanced Markdown rendering with full feature support. Optimized widget display and conversation list loading. Improved project file support (HTML, SVG, and more).

Fixes

Fixed map view display and multi-language support. Fixed streaming output display issues. Fixed widget display and chat opening issues. Fixed multi-language support across various features. Fixed device sync reliability and display. Fixed MD code rendering, table display, and long-tap interactions. Fixed recycle bin badge display. Fixed paste, rename, and file management issues. Fixed server lag and title generation for different languages.

v1.0.9 Jul 23, 2026

New Features

Enhanced multi-device sync performance.

Improvements

Optimized device sync experience with smoother operation. Improved Web interface with dark mode support. Faster conversation list search.

Fixes

Fixed tag display issue in conversation list. Fixed device sync view reopening and re-search issues. Fixed Web interface display and upload issues. Fixed HTML thumbnail update bug. Improved sync speed and reliability.

v1.0.8 Jul 17, 2026

New Features

Device sync: seamlessly sync conversations, projects, across your devices. Automatic device discovery on your local network. Privacy protection with smart detection of personal information. Added search animation for a more delightful experience.

Improvements

Faster chat loading and message rendering. Smoother scrolling in conversation list. Optimized browsing and display of saved web pages. Enhanced device sync experience with better usability. Improved project file synchronization.

Fixes

Fixed date and time display for different regions. Fixed device sync multi-language support. Fixed Redeem Code and About page display.

v1.0.7 Jul 15, 2026

New Features

Browse and view saved web pages with HTML Gallery. Animated content support for richer conversations. Added more project icons for better organization. Lottie support for markdown render.

Improvements

Optimized HTML Gallery display and loading speed. Enhanced thumbnail interaction in Gallery view.

Fixes

Fixed HTML Gallery preview and multi-language display. Fixed animation content multi-language support.

v1.0.6 Jul 10, 2026

New Features

Check weather conditions and forecasts directly in chat for paid user. Access health and fitness data through conversation for paid user. Control smart home devices with simple commands for paid user. Get detailed device information on demand for paid user. Added notification support for timely updates.

Improvements

Expanded premium features with additional capabilities. Enhanced keyboard interaction and scrolling performance. Improved display for multi-language support.

Changes

Streamlined location-related features for better performance.

v1.0.5 Jul 7, 2026

New Features

AI can now ask you questions during conversation for better interaction. Added a streamlined chat interface for focused conversations. Introduced premium features with in-app purchase and redeem code support. Added tag management improvements for organized conversations.

Improvements

Enhanced conversation list performance for smoother scrolling. Improved model switching experience. Optimized display for compact chat mode.

Fixes

Fixed various tag limit and permission issues. Fixed multilingual support in compact mode. Fixed alternate model switching.

v1.0.3 Jul 4, 2026

Enhanced app performance for smoother experience. Improved the About page icon. Improved message editing experience. Fixed scrolling back to top. Fixed copy functionality.

v1.0.2 Jul 1, 2026

Redesigned the About page with enhanced information. Improved keyboard interaction in conversation list. Smoother scrolling performance in conversation list. Improved chart display in conversations. Enhanced file upload experience.

v1.0.1 Jun 30, 2026

New Features

Web management page now supports Markdown preview, including charts and HTML files. Browse ZIP archive contents directly in project files. Upload multiple files at once in the Web management page.

Improvements

Enhanced file reading and information display. Improved multilingual support and fixed language switching issues. Better display effects for project management features.

Fixes

Fixed HTML preview display issues. Fixed PDF viewer compatibility issues.

v1.0 Jun 30, 2026

Initial release.

✦ Built-in Tools

31+ Tools at Your AI's Command

Your AI doesn't just talk — it does.

🌐 Web Search
💻 Run Code
📁 File Manager
📄 Read Files
✏️ Edit Files
📥 Download
📤 Upload
📧 Send Email
📅 Calendar
📍 GPS Location
🗺️ Navigation
🏪 Nearby Places
🎵 Music Control
📄 Generate PDF
🖼️ Image Gen
🔊 Text to Speech
🎤 Voice Memo
📋 Clipboard
🔗 Share Sheet
🧹 Recycle Bin
📞 Phone Calls
💬 Send SMS
⏰ Reminders
🏥 Health Data
🏠 Smart Home
✦ How It Works

Get Started in Minutes

No account. No subscription. Bring your own key — or run AI entirely on your device.

1

Choose a Model

Use a cloud model with your own API key — or run a model entirely on your device, with no key and no internet required.

2

Add Your Key (Optional)

Paste your key in Settings for cloud models. Stored securely in iOS Keychain — never shared, never uploaded. If you're going on-device, skip this step.

3

Start Chatting

Talk to your AI. Use 31+ tools. It remembers past conversations and can act on your behalf. No limits.

Send Webpages From Your Mac

Install the Holo Chat Pro Safari extension on your Mac, then send any webpage straight to your iPhone with one click and get an instant AI summary — perfect for long articles on the go.

⬇️ Download HoloChatProSafariPlugin.dmg

Install Guide

1. Download the .dmg and open it.
2. Drag SafariApp.app into your Applications folder.
3. Open Safari → Settings → Extensions → enable Holo Chat Pro.
4. Requires macOS 14 (Sonoma) or later.

🔒 Privacy-First by Design

No accounts, no cloud sync, no tracking. All data stays on your device. You bring your own API key and connect directly to your chosen provider. Holo Chat Pro never sees your conversations unless you choose to share them.

Ready to Unlock Your AI's Full Potential?

Download Holo Chat Pro and experience AI that can actually do things.

🍎 Download on the App Store

Free to download · No subscriptions · Pay only for the models you use