Best Open Source AI Apps

241+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Finding the right open source ai apps can be overwhelming with so many options. We've analyzed 241+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Open Source AI Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ai - open source AI AssistantAi - open source AI AssistantFree was $1.99NoNoMay 2026
2Locally AI by LM StudioLocally AI by LM StudioFree4.7★ (1.4K)NoNoJul 2026
3Perplexity - AI Search & ChatPerplexity - AI Search & ChatFree4.8★ (487K)NoYesJul 2026
4Openchat: AI Chatbot CopilotOpenchat: AI Chatbot CopilotFree4.7★ (3.9K)YesYesJul 2026
5AI Hub: 50+ Open Source LLMAI Hub: 50+ Open Source LLMFree4.2★ (57)YesYesJul 2026
6Kai - AIKai - AIFree5.0★ (1)NoNoJul 2026
7Meta AIMeta AIFree4.7★ (164K)YesYesJul 2026
8Open MinisOpen MinisFree5.0★ (29)NoNoJul 2026

Top Picks for Open Source AI

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
Perplexity - AI Search & Chat#3

Perplexity - AI Search & Chat by Perplexity AI, Inc.

Ask. Research. Trusted Answers
Worth Considering
📊 Productivity
4.8😊(487K ratings)
FreeIn-App Purchases
#5in Productivity
Perplexity - AI Search & Chat screenshot 1
Perplexity - AI Search & Chat screenshot 2
Perplexity - AI Search & Chat screenshot 3
Perplexity - AI Search & Chat screenshot 4
Perplexity - AI Search & Chat screenshot 5
Perplexity - AI Search & Chat screenshot 6

Get accurate, source-backed answers to any question with this AI-powered search and chat tool. It leverages top AI models for deep research, drafting emails, and more, syncing across devices. Discover new information and organize your findings in a personal library.

What We Love

  • 🚀 Saves time, fast and efficient
  • 🔍 Comprehensive and detailed answers
  • 📚 Provides sources and citations
  • 🤖 Excellent AI-powered search

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🔒 Restrictions on VPN usage
  • 💰 Expensive subscription

More Open Source AI apps to explore

4
Openchat: AI Chatbot Copilot
Openchat: AI Chatbot Copilot
Openchat: AI Chatbot Copilot
Image, Voice, Text Generation
Free

This AI assistant offers personalized text and voice interactions, helping with tasks like drafting emails, summarizing articles, and brainstorming creative ideas. It supports multilingual communication and includes an AI art generator and interactive games. Users can customize responses and focus on privacy.

Advanced AI AssistantPersonalized ResponsesSmart Task Automation
📊 Productivity
(3.9K)
free with in-app purchases
5
AI Hub: 50+ Open Source LLM
AI Hub: 50+ Open Source LLM
AI Hub: 50+ Open Source LLM
Multi purposes: Chat, Video
Free

Access a wide range of powerful AI models for chat, image, video, and agent generation. This app offers affordable access to multiple leading open-source and commercial LLMs, optimizing performance and providing low-latency responses globally. It includes a free tier and a comprehensive PRO plan for unlimited access.

Access 50+ open-source and commercial AI modelsAI chatbot with vision and document supportAI video generation from images or text
📊 Productivity
(57)
free with in-app purchases
6
Kai - AI
Kai - AI
Kai - AI
Fast, Simple, Open-Source
Free

This open-source AI companion offers fast, simple, and private chat experiences powered by models like Llama and Gemini. It's designed for quick answers, brainstorming, writing, and learning with a minimalist interface.

Blazing fast AI responsesMinimalist and intuitive interfaceOpen-source and transparent code
📊 Productivity
(1)
free
7
Meta AI
Meta AI
Meta AI
Your personal AI assistant
Free

Create immersive AI videos of yourself and your friends, or get personalized answers and inspiration. This app allows you to generate creative videos and images using advanced AI models, remix existing content, and interact with an AI assistant via voice or text. It also serves as a companion app for AI glasses.

Create immersive AI videosLip sync to songsPersonalized AI answers
📊 Productivity
(164K)
free with in-app purchases
8
Open Minis
Open Minis
Open Minis
Your Private On-Device Agent
Free

This AI agent runs locally on your device, taking actions like browsing the web, managing your schedule, and controlling smart home devices. It integrates deeply with iOS frameworks and allows you to bring your own API keys from various AI providers. Customize its capabilities with a skills system and enjoy persistent memory for a personalized experience.

On-device AI agentMulti-model AI provider supportDeep iOS framework integration
📊 Productivity
(29)
free
9
Venice AI
Venice AI
Venice AI
Private, Uncensored AI
Free

This AI app offers private, uncensored conversations and creative tools on your mobile device. Get honest answers, generate images, analyze documents, and share creations without data collection or content restrictions.

Private AI chatUncensored contentAI image generation
📊 Productivity
(413)
free with in-app purchases
10
AI Chat Assistant – OrNET AI
AI Chat Assistant – OrNET AI
AI Chat Assistant – OrNET AI
#1 All-in-One, Mega AI Toolkit
Free

This AI-powered assistant provides instant answers, creative content, and learning resources. It offers a conversational experience to help solve problems, improve language skills, and enhance daily life with advanced AI.

Solve problemsUnleash creativityLearn new things
📊 Productivity
(677)
free with in-app purchases
11
Enclave - Local AI Assistant
Enclave - Local AI Assistant
Enclave - Local AI Assistant
Anonymous, Offline, Private AI
Free

This app provides a private AI assistant that runs entirely on your device, allowing you to chat with various open-source models offline. It offers features like voice chat, iMessage integration, and document analysis, with an optional subscription for cloud-based models.

Runs hundreds of open-source AI models locallyOffline chat and voice conversationsiMessage extension for private message drafting
📊 Productivity
(801)
freemium
12
Gab AI
Gab AI
Gab AI
One AI For Every AI
Free

This app acts as a unified AI assistant, allowing you to interact with multiple leading AI models through a single chat interface. It handles a wide range of tasks, from content creation like images and music to analysis and web searching, without requiring you to switch between different applications.

Access multiple AI modelsImage generationVideo generation
📊 Productivity
(76)
free with in-app purchases
13
iAsk Ai - Ask AI (Unlimited)
iAsk Ai - Ask AI (Unlimited)
iAsk Ai - Ask AI (Unlimited)
Ask AI Questions - AI Search
Free

This app acts as a free, unlimited AI-powered search engine. Ask any question and receive instant, always free responses. It's designed to provide generative AI answers for a wide range of queries.

Unlimited AI questionsInstant responsesAlways free
📊 Productivity
(109)
free with in-app purchases
14
Chatbot App: AI Assistant
Chatbot App: AI Assistant
Chatbot App: AI Assistant
Chatbot built on top Al models
Free

Access multiple advanced AI models like ChatGPT, Gemini, and Claude in a single, user-friendly application. Engage in real-time voice chats, generate images, get expert insights, and receive personalized coaching for various aspects of your life.

Real-time voice chatInteractive explanations and visualized answersAI-powered travel planning
📊 Productivity
(3.5K)
freemium
15
Core AI
Core AI
Core AI
Explore AI Models & Tools
Free

Discover and learn about various AI models and tools, from text generation to 3D modeling. Engage in private conversations with an on-device language model and access featured content via widgets. This app offers detailed information and a user-friendly experience for AI enthusiasts and developers.

AI model categories (text, image, video, sound, 3D)AI tools for content generation and developmentOn-device foundation model chat
📚 Education
(16)
free
16
Liquid Apollo
Liquid Apollo
Liquid Apollo
Fast, private, and reliable AI
Free
$5.99 | 100% OFF

Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

Local LLM supportOpenRouter integrationCustom backend connections
🔧 Utilities
(533)
free
17
ChatBox AI - Chatbot Assistant
ChatBox AI - Chatbot Assistant
ChatBox AI - Chatbot Assistant
Top Al models・Image Generator
Free

This AI-powered assistant offers a suite of tools for text generation, image creation, document processing, and real-time information retrieval. It can help with writing, problem-solving, brainstorming, and even generating music and stories.

AI text generationAI image generationDocument summarization and translation
📊 Productivity
(164K)
free with in-app purchases
18
You.com - Enterprise grade AI
You.com - Enterprise grade AI
You.com - Enterprise grade AI
Deep research, agents, 20+LLMs
Free

This AI-powered productivity tool streamlines workflows and enhances decision-making for professionals. It combines web research with company data, offering deep insights, verifiable citations, and secure data handling. Transform raw data into actionable reports and presentations quickly.

Deep research agent (ARI)Access to 20+ LLMsUpload and analyze personal documents
📊 Productivity
(4.8K)
free with in-app purchases
19
AI ChatBot Assistant ChatUltra
AI ChatBot Assistant ChatUltra
AI ChatBot Assistant ChatUltra
Top AI Models・Image Generator
Free

This AI-powered assistant acts as a versatile writing partner, research helper, and productivity booster. It can generate text, create images from descriptions, summarize documents and videos, and assist with homework and coding. Users can interact by typing, speaking, or uploading files.

Next-Gen AI ChatbotAI Image GeneratorSmarter Writing & Content Creation
📊 Productivity
(2.4K)
freemium
20
invideo AI: AI Video Generator
invideo AI: AI Video Generator
invideo AI: AI Video Generator
Create & edit videos with AI
Free

Easily create AI-powered videos, from explainers and promos to full-length films and documentaries. Generate content with AI scripts, media, voiceovers, and avatars, or edit existing videos using simple text commands.

AI video generationAI movie makerAI text-to-video
📷 Photo & Video
(27K)
free with in-app purchases

FAQ about Open Source AI

Are there free open source ai apps for iPhone?
Yes — 20 of the top open source ai apps we rank are free to download, including Ai - open source AI Assistant and Locally AI by LM Studio.
Ai - open source AI Assistant has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 241+ open source ai apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.

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