Best Open Source AI Apps

69+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated July 2026

Finding the right open source ai apps can be overwhelming with so many options. We've analyzed 69+ 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
2Kai - AIKai - AIFree5.0★ (1)NoNoJul 2026
3AI Hub: 50+ Open Source LLMAI Hub: 50+ Open Source LLMFree4.2★ (58)NoYesAug 2026
4GyPTixGyPTixFree5.0★ (9)NoNoJul 2026
5Local Chat: Private AI ChatbotLocal Chat: Private AI ChatbotFree4.5★ (56)NoYesJul 2026
6KernelAIKernelAIFree4.8★ (18)NoNoAug 2026
7SignAII: Breaking AI NewsSignAII: Breaking AI NewsFreeNoYesMay 2026
8GPT Box - PureGPT Box - PureFree3.7★ (9)NoNoMay 2026

Top Picks for Open Source AI

Kai - AI#2

Kai - AI by Simon Schubert

Fast, Simple, Open-Source
Strong Contender
📊 Productivity
5.0(1 ratings)
Free
Kai - AI screenshot 1
Kai - AI screenshot 2
Kai - AI screenshot 3
Kai - AI screenshot 4
Kai - AI screenshot 5

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.

AI Hub: 50+ Open Source LLM#3

AI Hub: 50+ Open Source LLM by TRIPICAL VIET NAM LIMITED LIABILITY COMPANY

Multi task: Chat, Video, Agent
Worth Considering
📊 Productivity
4.2(58 ratings)
FreeIn-App Purchases
AI Hub: 50+ Open Source LLM screenshot 1
AI Hub: 50+ Open Source LLM screenshot 2
AI Hub: 50+ Open Source LLM screenshot 3
AI Hub: 50+ Open Source LLM screenshot 4
AI Hub: 50+ Open Source LLM screenshot 5
AI Hub: 50+ Open Source LLM screenshot 6

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.

More Open Source AI apps to explore

4
GyPTix
GyPTix
GyPTix
On-device AI Chat
Free

This AI companion runs entirely on your device, offering fast, private, and offline conversations. Explore AI capabilities, brainstorm ideas, or solve problems without needing an internet connection. It's open-source and free, designed for privacy and efficiency.

On-device AI processingTotal privacy, no cloud dataLightning-fast responses
📊 Productivity
(9)
free
5
Local Chat: Private AI Chatbot
Local Chat: Private AI Chatbot
Local Chat: Private AI Chatbot
Offline assistant, open LLM
Free

Run powerful open language models directly on your Apple devices, even offline. Enjoy private conversations with AI assistants that can be customized to your needs. Save and sync chats across your Mac, iPad, and iPhone.

Offline AI chatOpen language modelsPrivate conversations
📊 Productivity
(56)
free with in-app purchases
6
KernelAI
KernelAI
KernelAI
Private, Offline AI Assistant
Free

This AI assistant operates entirely on your device, offering private, offline access to over 43 free models. It functions without an internet connection, ensuring your data remains secure and inaccessible to anyone but you. Enjoy AI capabilities anywhere, anytime, with no data collection or subscriptions.

Private, offline AI operationNo internet requiredZero data collection
📊 Productivity
(18)
free
7
SignAII: Breaking AI News
SignAII: Breaking AI News
SignAII: Breaking AI News
Daily AI, Research & Tech News
Free
📡 News
(0)
8
GPT Box - Pure
GPT Box - Pure
GPT Box - Pure
Open source, for all platform
Free

This open-source client provides a pure and free way to interact with GPT models. It supports text, image, and audio chat, with the ability to search online and fetch web content. Sync your conversations across devices and share them easily.

Text, Image, Audio ChatOnline Search & Web Content FetchingOpen Source & Free
🔧 Utilities
(9)
free
9
GitHub
GitHub
GitHub
Projects, ideas, & code to go
Free

Manage your code projects, review changes, and collaborate with your team on the go. This app allows you to stay updated with notifications, respond to issues, and browse files and code from anywhere.

Browse notificationsRead, react, and reply to Issues and Pull RequestsReview and merge Pull Requests
🛠️ Developer Tools
(35K)
free with in-app purchases
10
ShelfPlayer
ShelfPlayer
ShelfPlayer
Audiobookshelf client
$5.99

This app provides a native iOS experience for managing and listening to audiobooks and podcasts from your self-hosted Audiobookshelf library. It offers robust playback controls, offline access, and seamless integration with the Apple ecosystem.

Unified audiobook and podcast managementMulti-server supportFlexible authentication options
📚 Books
(133)
paid
11
Accio: Alibaba AI Agent
Accio: Alibaba AI Agent
Accio: Alibaba AI Agent
AI makes business real
Free

This AI-powered agent simplifies complex business sourcing tasks through intelligent conversations. It automates product development, finds suppliers, and redesigns existing products based on market trends and user feedback.

AI-driven sourcing agentAutomated new product developmentMulti-category product sourcing
📊 Productivity
(1.6K)
free with in-app purchases
12
CoinGecko: Crypto Tracker
CoinGecko: Crypto Tracker
CoinGecko: Crypto Tracker
Cryptocurrency, Bitcoin News
Free

Track cryptocurrency prices, NFT floor prices, and coin statistics in real-time. Stay updated with the latest market trends, news, and exchange data. Build and manage your crypto portfolio with profit and loss tracking.

Track 10,000+ crypto pricesMonitor 3000+ NFT floor pricesView 700+ crypto exchange data
💰 Finance
(27K)
free with in-app purchases
13
BeeCount - Simple Ledger
BeeCount - Simple Ledger
BeeCount - Simple Ledger
Open Source & Private Finance
Free

This personal finance app offers open-source transparency and robust privacy features, allowing users to self-host their data. It utilizes AI for smart bookkeeping, receipt scanning, and provides comprehensive tools for transaction tracking, budgeting, and financial analysis.

Open-source and auditable codeSelf-hosted cloud service for data controlAI-powered receipt scanning and categorization
🔧 Utilities
(8)
free
14
Flashcards Open Source App
Flashcards Open Source App
Flashcards Open Source App
AI Notes to Flashcards
Free
📚 Education
(0)
15
H2O AI Personal GPT
H2O AI Personal GPT
H2O AI Personal GPT
Powered by H2O.ai
Free

This AI assistant runs entirely on your device, ensuring your data and conversations remain private. It offers smart, fast, and offline assistance for tasks like drafting emails or creating lists, with customizable settings for a personalized experience.

Privacy First (on-device processing)Smart and Fast AI responsesOffline capabilities
📊 Productivity
(32)
free
16
HTML & Markdown Viewer
HTML & Markdown Viewer
HTML & Markdown Viewer
Open AI-generated HTML files
Free

This app renders AI-generated HTML, Markdown, and ZIP files locally. It supports JavaScript, CSS, diagrams, and tables, offering PDF and PNG export. All processing occurs on-device for enhanced privacy.

Local HTML renderingMarkdown viewing with Mermaid and tablesZIP file extraction and browsing
🛠️ Developer Tools
(0)
free
17
AFFiNE: Notes, Whiteboard AI
AFFiNE: Notes, Whiteboard AI
AFFiNE: Notes, Whiteboard AI
Docs, Tasks, Markdown & AI
Free

This app combines an infinite whiteboard with notes, documents, and tasks, enhanced by AI. Effortlessly convert visual ideas into text and manage all your projects in one unified workspace. It's designed for visual thinkers and teams to streamline workflows and organize information effectively.

Infinite whiteboard for visual brainstormingConvert sketches to organized notes/documentsAll-in-one project, task, and document management
📊 Productivity
(32)
free with in-app purchases
18
OpenHome - Voice AI DevKit
OpenHome - Voice AI DevKit
OpenHome - Voice AI DevKit
Bring AI to life on custom HW
Free
🔧 Utilities
(0)
19
OpenLanguage
OpenLanguage
OpenLanguage
Open Source AI Language Tutor
Free
📚 Education
(0)
20
AI Rank
AI Rank
AI Rank
Open Source AI Tracker
Free
🔧 Utilities
(0)

FAQ about Open Source AI

Are there free open source ai apps for iPhone?
Yes — 19 of the top open source ai apps we rank are free to download, including Ai - open source AI Assistant and Kai - AI.
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 69+ 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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