Chatbox vs On‑Device AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chatbox
This application acts as a universal client, connecting you to leading AI models across various devices. It offers features like code assistance, image generation, and smart file understanding, all while prioritizing local data storage for privacy.
- Connect to multiple AI models
- Analyze documents, images, and code
- AI-powered code generation and optimization
- Text-to-image generation
- Local data storage for privacy
- Cross-device synchronization
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Harness the power of the world's most advanced AI models right on your phone! An all-in-one AI client that's ready to use right out of the box — no complex configuration needed. Core Features: - Seamlessly Connect Global AI Models Access ChatGPT, Claude, Gemini, and other leading AI models worldwide. Regardless of which model you prefer, Chatbox lets you integrate them seamlessly. Flexibly configure your own model services, switch freely, and maintain full control — one app for all your AI needs. - Intelligent Document Understanding Upload PDFs, Excel sheets, images, and more. AI instantly extracts, analyzes, and summarizes your content with precision. Whether it's reading research papers, reviewing contracts, analyzing reports, or identifying objects in images — complex documents become easy to work with. - Real-Time Web Search Built-in web search capability enables AI to access breaking news, trending information, market data, and academic insights in real time. Say goodbye to outdated training data and get the latest, most accurate answers. Track technology trends, get current news commentary, or access real-time data — all with a single question. - Powerful Complex Format Rendering Support for HTML web previews, LaTeX mathematical formulas, and Markdown rich text. Whether it's AI-generated interactive pages, complex scientific formulas, structured notes, or code snippets — everything is rendered with professional-grade precision instantly. - AI Image Generation Powerful image generation at your fingertips. Describe what you want, and instantly create high-quality illustrations, design sketches, and creative posters. Spark inspiration, accelerate creation, and bring every idea to life. What Chatbox can help you: - Students & Researchers → Read papers, write formulas, render LaTeX, search literature in real time — academic productivity on steroids - Professionals → Analyze documents, generate reports, track industry trends — your second brain at work - Creative Minds → Brainstorm ideas, generate images, refine copy, leverage trending topics — endless inspiration - AI Enthusiasts → Experience multiple models in one place, explore AI frontiers with ease Our Privacy Commitment: We prioritize your data security above all else. All your information and conversation history are securely stored locally on your device by default, ensuring you maintain complete control over your privacy.
On‑Device AI
Transform your device into a private AI assistant for meetings and complex tasks. Features include speaker diarization, live transcription, and specialized subagents for research, analysis, and writing. Control your AI via messaging apps, with options for 100% offline processing or cloud connectivity.
- Speaker Diarization for meeting transcripts
- Real-time live transcription
- Natural AI speech generation
- Deploy specialized AI subagents
- AI-powered web browser automation
- Control AI via messaging apps
- 100% offline processing option
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On-Device AI puts chat, listening, transcription, notes, and research in one private app for iPhone, iPad, Mac, and Apple Vision Pro. Your data stays on your device. Download a model once and keep working on a plane, on the subway, or without a signal. Chats, documents, recordings, and notes stay on your device. Online providers and web features are optional and work only after you enable them. ONE APP, YOUR WAY Open every workspace from a customizable Menu. Keep favorites under Pinned and everything else close by under Available. AI CHAT Chat with local or cloud models. • Run local models from families such as Gemma, Qwen, DeepSeek, and Mistral, or connect your own provider account • Browse, download, and manage models that fit your device, including ones for text, vision, reasoning, and tools • Drop in documents, images, and scanned PDFs; approve private on-device OCR only when a PDF needs it • Fork any conversation and compare several models on the same prompt • Let the model use tools for calculations, web requests, documents, Calendar, and Reminders, and review proposed changes before they apply • Create reusable Agent Profiles, then add AI Skills, MCP servers, and tools from one clearer Agent Workflows setup • Keep facts you repeat often in Global Memory LISTEN LIBRARY AND RSS FEEDS Read less, listen more. • Turn PDFs, Markdown, plain text, web articles, and scanned books into a listening queue • Scan photographed pages, correct the OCR the app runs on device, and keep each page with its spoken text • Follow sites through RSS, Atom, and JSON feeds, then send articles to Up Next • Choose Apple voices or local neural voices, follow along in the reader, and set a sleep timer VOICE NOTE, VOICE TYPING, AND TEXT TO SPEECH Speak instead of typing, and listen instead of reading. • Record and transcribe meetings, lectures, interviews, and quick ideas • Dictate with Voice Typing on Mac or the voice keyboard on iPhone and iPad • Transcribe with Apple Speech, Whisper, Parakeet, Nemotron, Qwen3-ASR, MOSS, and other engines • Turn text, or text captured from a photo, into audio with Apple voices, Kokoro, Supertonic, VoxCPM2, IndexTTS2, and other engines • Export transcripts as text, subtitles, or Markdown AI SEARCH AND AI BROWSER Research with a second pair of hands. • Search the web in a conversation and let the model read the results for you • Browse with tabs, profiles, history, and downloads, then ask your model to read, assist, or act on the page • Hand a task to the browser agent, watch each step, and take over whenever you want KNOWLEDGE AND TEXT NOTE Give your AI your own material to work from. • Add PDFs, text, Markdown, code, images, and website content to a private searchable library • Write and edit Markdown notes in the app • Import AI chats, voice notes, Text to Speech items, and AI Search results • Tune retrieval and index edited content again APP HELP Ask how a feature or setting works. App Help answers from a guide that ships inside the app, keeps help out of your saved chats, and points to the right settings. MADE FOR APPLE DEVICES • Native layouts adapt from focused navigation on iPhone to category sidebars on larger screens • Settings are grouped by purpose, including Voice Typing, Agent Workflows, Models & Storage, Privacy & Data, Memory, and—on Mac—Instant Messaging • Widgets for Listen, Voice Note, Text Note, and Quick Actions • Siri, Apple Shortcuts, App Intents, the Mac menu bar, and keyboard shortcuts you can customize • Apple hardware acceleration for supported local models • Browse chat, transcription, speech, and embedding models in one Model Library • Store models internally, on an external drive, or on a shared volume, with separate tools for cleanup and recovery • Interface in English, Dutch, French, German, Italian, Japanese, Spanish, Portuguese, and Traditional Chinese EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Chatbox at none against On‑Device AI's 4. Chatbox also leads on review sentiment (78% vs 64%) and update cadence (weekly vs every 2 weeks). On‑Device AI's advantage is device support (4 vs 2). On price, rating and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. On‑Device AI sells 4 in-app purchases, starting at $3.99 per month. Chatbox asks for nothing beyond the download.
Chatbox holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 619 and 162 respectively. Written reviews point the same way: 78% of Chatbox's written reviews are positive against 64% of On‑Device AI's.
Chatbox ships an update weekly, On‑Device AI every 2 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Chatbox | On‑Device AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (619 ratings) — better | 4.4 (162 ratings) |
| Positive reviews | 77.9% of reviews — better | 63.6% of reviews |
| Number of ratings | 619 — better | 162 |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 48 MB | 1.8 GB |
| Age rating | 17+ | 17+ |
| Developer | 2.5 HK LIMITED | Zijie Deng |
Customer experience
Chatbox
On‑Device AI
User reviews
Chatbox
From 619 App Store ratingsWhat we love
- 👍 Good customization options
- 🚀 Works well with local LLMs
- 💡 Supports multiple API formats
- 🔒 Privacy-focused (account-free)
Room to improve
- 🐛 Local network access issues on iOS
- 🐛 Compatibility problems with older iOS versions
- 🐛 Streaming response issues
- 🐛 UI/UX not optimized for mobile
On‑Device AI
From 162 App Store ratingsWhat we love
- 🚀 Game-changing AI assistant
- 🔍 Powerful search functionality
- 👍 Customizable and versatile
- 🌐 Seamless multi-device experience
- 💡 Innovative character-based interactions
Room to improve
- 🐛 Crashes on larger models
- 🔋 Heating issues on some devices
- 🔍 Slow and unreliable web search
- 💻 Buggy on macOS
Bugs and requests
Chatbox
Reported bugs
4 issues- Cannot select Ollama models
- Custom API URL connections failing
- Live scrolling issues during streaming
- Proxy settings not working on mobile
Requested features
4 requests- Add support for local Ollama models
- Improve organization features (folders, projects, etc.)
- Implement iCloud syncing
- Add Chinese language support
On‑Device AI
Reported bugs
3 issues- Crashes on startup
- Model selection issues
- Inability to copy generated text
Requested features
9 requests- Automated multi-character conversations
- Character set saving and syncing
- Streamlined search integration
- UI optimization for icons
- Remote endpoint support for multi-agents
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- HomeKit integration
- Improved documentation
- Enlarged agent input window
- Per-agent model assignment
In-app purchases
Chatbox
No in-app purchases
On‑Device AI
- Pro Member Subscription$3.991 Month
- Pro Member Subscription$34.991 Year
- Lifetime Pro Member$49.99
- Lifetime Pro Member$99.99









