Best On-Device AI Apps

245+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

The best on-device ai apps on iPhone average 4.7★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top On-Device AI Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1On-Device AI: TTS & STT AgentOn-Device AI: TTS & STT AgentFree4.4★ (162)NoYesJul 2026
2Locally AI by LM StudioLocally AI by LM StudioFree4.7★ (1.4K)NoNoJul 2026
3On-Device AIOn-Device AIFree5.0★ (1)NoNoJul 2026
4OnDevice AIOnDevice AIFreeNoYesMay 2026
5On Device : Local AI StudioOn Device : Local AI StudioFree5.0★ (1)NoNoJul 2026
6Russet: Private on-device AIRusset: Private on-device AIFree4.8★ (9)NoNoJul 2026
7ChatLLM: AI Assistant & ChatChatLLM: AI Assistant & ChatFree4.8★ (2.3K)NoYesJul 2026
8MLX Studio: Local AI ChatMLX Studio: Local AI ChatFree4.0★ (2)NoNoJul 2026

Top Picks for On-Device AI

On-Device AI: TTS & STT Agent#1

On-Device AI: TTS & STT Agent by Zijie Deng

Offline AI, Chat & Smart Voice
Editor's Choice
🔧 Utilities
4.4😊(162 ratings)
FreeIn-App Purchases
On-Device AI: TTS & STT Agent screenshot 1
On-Device AI: TTS & STT Agent screenshot 2
On-Device AI: TTS & STT Agent screenshot 3
On-Device AI: TTS & STT Agent screenshot 4
On-Device AI: TTS & STT Agent screenshot 5
On-Device AI: TTS & STT Agent screenshot 6

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.

What We Love

  • 🚀 Game-changing AI assistant
  • 🔍 Powerful search functionality
  • 👍 Customizable and versatile
  • 🌐 Seamless multi-device experience

Room to Improve

  • 🐛 Crashes on larger models
  • 🔋 Heating issues on some devices
  • 🔍 Slow and unreliable web search
Locally AI by LM Studio#2

Locally AI by LM Studio by Element Labs Inc

Offline & Private AI Assistant
Strong Contender
📊 Productivity
4.7😊(1.4K ratings)
FreeIn-App Purchases
Locally AI by LM Studio screenshot 1
Locally AI by LM Studio screenshot 2
Locally AI by LM Studio screenshot 3
Locally AI by LM Studio screenshot 4
Locally AI by LM Studio screenshot 5
Locally AI by LM Studio screenshot 6

This app allows you to run powerful AI models directly on your iPhone or iPad without an internet connection. Enjoy complete privacy as no data is collected or sent to servers. It's optimized for Apple devices, offering fast and private AI interactions.

What We Love

  • 🚀 Fast and efficient
  • 👍 Polished and user-friendly UI
  • 🔒 Good privacy policy
  • 🚀 Runs models quickly on device

Room to Improve

  • 🐛 Doesn't work without internet connection
  • 🐛 Compatibility issues with older devices
On-Device AI#3

On-Device AI by StayinFront Asia Pacific Ltd

Worth Considering
💼 Business
5.0(1 ratings)
Free
On-Device AI screenshot 1
On-Device AI screenshot 2
On-Device AI screenshot 3

This AI-powered tool processes retail display images directly on your mobile device. It streamlines image analysis for the consumer goods industry, reducing costs and processing time compared to cloud-based solutions. It integrates with other platforms to enhance sales growth for field teams.

More On-Device AI apps to explore

4
OnDevice AI
OnDevice AI
OnDevice AI
by Florin Valentin Micu
Free
📊 Productivity
(0)
5
On Device : Local AI Studio
On Device : Local AI Studio
On Device : Local AI Studio
Language & Visual & Voice
Free

This app provides a local AI workbench for your iPhone, running open-source language and vision models entirely on-device. Features include live camera captioning, hands-free voice conversation, and code assistance with various models. It prioritizes privacy with no servers, API keys, or telemetry.

On-device LLM and VLM executionLive camera captioningHands-free voice conversation
🛠️ Developer Tools
(1)
free
6
Russet: Private on-device AI
Russet: Private on-device AI
Russet: Private on-device AI
Private, powerful, personal
Free

This app offers private, on-device AI capabilities for iPhone and iPad, utilizing powerful models that run entirely offline. It features flexible chat options, text-to-speech, and agent-based automation for tasks like summarizing and analyzing documents. Designed for privacy and focus, it works without accounts, ads, or tracking.

On-device AI processingOffline chat functionalityFlexible chat customization
📊 Productivity
(9)
free
7
ChatLLM: AI Assistant & Chat
ChatLLM: AI Assistant & Chat
ChatLLM: AI Assistant & Chat
DeepAgent, Voice & AI Creator
Free

Access multiple advanced AI models for chat, content creation, and task automation. Features include an autonomous AI agent, real-time meeting transcription, and voice interaction. Generate images, videos, and code, or analyze documents with this comprehensive AI assistant.

Autonomous AI agent for complex tasksReal-time meeting transcription and insightsMulti-model AI chat (GPT-5, Opus, Gemini)
📊 Productivity
(2.3K)
subscription
8
MLX Studio: Local AI Chat
MLX Studio: Local AI Chat
MLX Studio: Local AI Chat
Private On-Device AI Assistant
Free

Experience private AI chat on your Apple devices with this app. It runs entirely on-device, offering 100% privacy and offline functionality. Choose from pre-configured models or import your own, with smart memory and RAM management for efficient conversations.

100% Private On-Device ProcessingSupports 15+ Pre-configured MLX ModelsImport Custom Models from HuggingFace
📊 Productivity
(2)
free
9
Secret AI: Local AI Chat
Secret AI: Local AI Chat
Secret AI: Local AI Chat
Private Offline LLM Assistant
Free

Experience private, offline AI chat with custom characters and no internet required. This app processes all conversations and data locally on your device, ensuring complete privacy and anonymity. It supports various advanced AI engines and offers voice control via Siri shortcuts.

Private offline AI chatCustom AI charactersNo internet connection required
📊 Productivity
(41)
free with in-app purchases
10
Ai2 OLMoE
Ai2 OLMoE
Ai2 OLMoE
A fully open, on-device model
Free

Explore and improve on-device AI models with this open-source tool. It allows developers to prototype AI experiences locally without cloud connectivity, ensuring complete user privacy. Researchers can test and integrate models directly on their devices.

On-device AI model explorationPrototype AI experiences locallyOpen-source codebase
📊 Productivity
(15)
free
11
aiME - Offline AI / Local AI
aiME - Offline AI / Local AI
aiME - Offline AI / Local AI
Private On-Device LLM Chatbot
Free
$49.99 | 100% OFF

This AI assistant runs powerful models directly on your device, offering complete privacy and offline functionality. Choose from over 10 AI models, including vision and speech capabilities, with no recurring charges.

Offline AI model executionOn-device data privacyNo internet required
📊 Productivity
(2)
free with in-app purchases
12
opchat: Private On-Device AI
opchat: Private On-Device AI
opchat: Private On-Device AI
Multi-provider BYOK assistant
Free
📊 Productivity
(0)
13
Atomic Chat: Private Local AI
Atomic Chat: Private Local AI
Atomic Chat: Private Local AI
Private & Offline AI Assistant
Free

This AI assistant runs entirely on your device, offering complete privacy and offline functionality. It allows you to ask questions, brainstorm ideas, draft content, and more without needing an internet connection or an account.

100% on-device AI processingComplete privacy, no cloud serversOffline functionality
📊 Productivity
(4)
free
14
Private LLM - Local AI Chat
Private LLM - Local AI Chat
Private LLM - Local AI Chat
Local Offline Private AI Chat
$4.99
$9.99 | 50% OFF

This AI assistant runs entirely on your device, ensuring all your conversations remain private and offline. Choose from a wide variety of open-source language models and customize interactions for personalized assistance.

On-device AI processingWide selection of open-source LLMsOffline functionality
🔧 Utilities
(688)
paid
15
Fog: On-Device AI Notes
Fog: On-Device AI Notes
Fog: On-Device AI Notes
Notes that organize themselves
Free

This app automatically organizes your notes into smart collections without manual effort. It leverages on-device AI to understand note content and group them into "Clouds," ensuring everything is easily accessible. Your notes are stored locally and synced across your Apple devices via iCloud for enhanced privacy.

Automatic note grouping into smart cloudsOn-device AI for intelligent organizationOffline functionality
📊 Productivity
(4)
free
16
ChatToGO - On-Device Gen AI
ChatToGO - On-Device Gen AI
ChatToGO - On-Device Gen AI
Powerful AI Image generation
Free
🔧 Utilities
(0)
17
Theo8080 — On-Device AI
Theo8080 — On-Device AI
Theo8080 — On-Device AI
Personal AI Conversations
Free
🛠️ Developer Tools
(0)
18
Endemic: Local On-Device AI
Endemic: Local On-Device AI
Endemic: Local On-Device AI
Chat with Private Offline LLM
Free

This app allows you to run powerful language models directly on your device, offering private and offline AI interactions. Download models from a curated catalog, chat without cloud reliance, and even enable local web search and image analysis.

On-device LLM executionPrivate, offline conversationsCurated model catalog
🔧 Utilities
(3)
freemium
19
Arbor AI: On-Device AI Models
Arbor AI: On-Device AI Models
Arbor AI: On-Device AI Models
Local AI. The Future in Pocket
Free
📚 Education
(0)
20
OnDevice LLM - Offline AI Chat
OnDevice LLM - Offline AI Chat
OnDevice LLM - Offline AI Chat
Pay once. Truly private AI.
Free
🔧 Utilities
(0)

FAQ about On-Device AI

What are the best on-device ai apps for iPhone?
On-Device AI: TTS & STT Agent tops our on-device ai apps ranking as of July 2026, with a 4.4-star average from 162 App Store ratings, and it's free to download.
Yes — 19 of the top on-device ai apps we rank are free to download, including On-Device AI: TTS & STT Agent and Locally AI by LM Studio.
On-Device AI: TTS & STT Agent has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 245+ on-device ai apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
On-Device AI is designed to run directly on your Apple devices. This includes your Mac, iPad, and iPhone. The app leverages the hardware capabilities of these devices to provide its advanced AI and speech processing features, with specific optimizations for iOS and macOS.
Yes, the app is built with privacy as a core tenet, offering a 100% offline processing option. This means sensitive documents and data can be processed entirely on your device without being sent to any cloud servers, ensuring total security and confidentiality.

Related searches