Best Openai O1 Apps

234+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our openai o1 list covers 234+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Openai O1 Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ChatOn AI - Chat Bot AssistantChatOn AI - Chat Bot AssistantFree4.7β˜… (281K)YesYesAug 2026
2AI Central: o1 Preview o1 MiniAI Central: o1 Preview o1 MiniFree4.5β˜… (311)NoYesJul 2026
3ChatGPTChatGPTFree4.8β˜… (8.9M)YesYesAug 2026
4Chat with o1 - ChatbotChat with o1 - ChatbotFree4.5β˜… (8)NoYesMay 2026
5Grok AIGrok AIFree4.9β˜… (1.3M)NoYesAug 2026
6O-KAM ProO-KAM ProFree4.6β˜… (8.4K)YesYesAug 2026
7Monica AI: Ultimate AI AssistMonica AI: Ultimate AI AssistFree4.7β˜… (6.7K)NoYesAug 2026
8Use for AI ChatbotUse for AI ChatbotFree4.5β˜… (2.1K)YesYesAug 2026

Top Picks for Openai O1

ChatOn AI - Chat Bot Assistant#1

ChatOn AI - Chat Bot Assistant by AIBY

One Chatbot–Multiple Al Tools
Editor's Choice
πŸ“Š Productivity
4.7😊(281K ratings)
FreeAdsIn-App Purchases
#13in Productivity
ChatOn AI - Chat Bot Assistant screenshot 1
ChatOn AI - Chat Bot Assistant screenshot 2
ChatOn AI - Chat Bot Assistant screenshot 3
ChatOn AI - Chat Bot Assistant screenshot 4
ChatOn AI - Chat Bot Assistant screenshot 5
ChatOn AI - Chat Bot Assistant screenshot 6

This AI assistant leverages advanced language models to help with writing, image transformation, document analysis, and web research. It offers over 100 prompts and integrates with your keyboard for seamless use across apps. Transform photos, summarize documents, and generate social media content with ease.

What We Love

  • πŸš€ Excellent AI assistant
  • πŸ‘ User-friendly interface
  • πŸ’‘ Versatile features
  • πŸš€ Fast and efficient

Room to Improve

  • πŸ› Occasional errors and timeouts
  • πŸ’° Expensive subscription
  • πŸ”’ Limited free usage
AI Central: o1 Preview o1 Mini#2

AI Central: o1 Preview o1 Mini by MUHAMMED ARAFA ARAFAS BILISIM VE YAZILIM SISTEMLERI

Meta AI, OpenAI o1, Gemini ai
Strong Contender
πŸ“Š Productivity
4.5😊(311 ratings)
FreeIn-App Purchases
AI Central: o1 Preview o1 Mini screenshot 1
AI Central: o1 Preview o1 Mini screenshot 2
AI Central: o1 Preview o1 Mini screenshot 3
AI Central: o1 Preview o1 Mini screenshot 4
AI Central: o1 Preview o1 Mini screenshot 5

This app acts as a personal AI assistant, capable of assisting with a wide range of tasks including writing, language practice, research, and creative endeavors. Get instant answers to your questions and enjoy human-like conversations on any topic.

What We Love

  • πŸš€ Fast and responsive performance
  • 🧠 Sophisticated and accurate AI responses
  • πŸ’‘ Comprehensive AI tool integration
  • πŸ‘ User-friendly interface

Room to Improve

  • πŸ’° Expensive subscription pricing
  • 🚫 Paid service vs free alternatives
  • πŸ› App functionality issues/crashes
ChatGPT#3

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Worth Considering
πŸ“Š Productivity
4.8😊(9M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

This app provides access to advanced AI capabilities, including text generation, image creation from descriptions, and voice conversations. It offers personalized advice, creative inspiration, and instant answers for various tasks, syncing history across devices.

What We Love

  • πŸš€ Powerful and versatile AI assistant
  • πŸ‘ Intuitive and user-friendly interface
  • πŸ€– Impressive conversational abilities
  • πŸ’‘ Convenient mobile access to ChatGPT

Room to Improve

  • πŸ› Occasional inaccuracies or inconsistencies in responses
  • πŸ”– Limited to pre-2021 data, lacking real-time updates
  • πŸ”’ Concerns about privacy and data usage

More Openai O1 apps to explore

4
Chat with o1 - Chatbot
Chat with o1 - Chatbot
Chat with o1 - Chatbot
Powered by OpenAI's o1 series
Free

An AI chatbot powered by OpenAI's o1 series models. It offers advanced reasoning and problem-solving capabilities, particularly in scientific and technical fields. Download this intelligent assistant for free to experience its precise and thoughtful responses.

Powered by OpenAI's o1 modelsAdvanced reasoning capabilitiesExcels in scientific/technical challenges
πŸ“Š Productivity
(8)
free with in-app purchases
5
Grok AI
Grok AI
Grok AI
AI chat & video generation
Free

This AI assistant provides fast, truthful answers and can perform deep web research. It generates striking images and videos from text or voice prompts, and can analyze uploaded content. Engage in conversations with personalized AI companions and access real-time information from X.

AI-powered Q&A and web researchAI image and video generationVoice mode with live camera
πŸ“Š Productivity
(1.3M)
free with in-app purchases
6
O-KAM Pro
O-KAM Pro
O-KAM Pro
by Shenzhen VeePai IoT Intelligent Technology LLC
Free

Monitor your home remotely with real-time video surveillance. Access cloud storage, receive alarm notifications, and communicate via two-way audio. Capture photos and videos for convenient home management.

Real-time video monitoringCloud storage playbackAlarm push notifications
πŸ› οΈ Developer Tools
(8.4K)
free with in-app purchases
7
Monica AI: Ultimate AI Assist
Monica AI: Ultimate AI Assist
Monica AI: Ultimate AI Assist
Chat, Search, Write, Translate
Free

An all-in-one AI assistant for chat, search, writing, translation, and creative image/video generation. It leverages advanced AI models to enhance productivity and creativity across various tasks, from summarizing documents to creating art.

Smart AI Chat with top modelsText-to-image and text-to-video creationIntelligent search and document summarization
πŸ“Š Productivity
(6.7K)
free with in-app purchases
8
Use for AI Chatbot
Use for AI Chatbot
Use for AI Chatbot
Powered by OpenAI & ChatGPT
Free

Engage in natural language conversations with an AI virtual assistant and generate unique artwork using advanced AI. Personalize creations by adding your own photos to diverse art styles.

AI-powered virtual assistant for conversationsGenerate unique AI artSelect from various art styles
πŸ’Ό Business
(2.1K)
free with in-app purchases
9
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chatbot & Search Assistant
Free

Engage in personalized conversations with an AI that understands and adapts to you. Access specialized AI assistants for various tasks, generate unique images from text, and get instant information about the world through photos. This app also offers writing assistance, language learning, and homework help.

Personalized AI conversationsSpecialized AI assistantsAI image generation
πŸ“Š Productivity
(325K)
free with in-app purchases
10
Chat AI - Ask Anything
Chat AI - Ask Anything
Chat AI - Ask Anything
AI Chatbot & Essay Writer Bot
Free

Engage in intelligent conversations with an advanced AI chatbot. This app offers personalized responses on a wide range of topics and can assist with writing tasks like essays and emails. Its AI continuously learns for more natural interactions.

Intelligent conversationsPersonalized responsesEssay and content writing
πŸ“Š Productivity
(130K)
free with in-app purchases
11
Kimi - Kimi K3 is Live
Kimi - Kimi K3 is Live
Kimi - Kimi K3 is Live
K3,Code,Slides,Agent Swarm
Free

This AI-powered agent assists with coding, content creation, and office tasks. It can generate presentations, build websites from designs, and perform complex research with autonomous sub-agents for enhanced efficiency. Handle large documents and detailed conversations with its extensive context window.

Autonomous sub-agent creation for parallel efficiencyCode, create, analyze, and build presentationsAutomate workflows with scheduled tasks and long-term memory
πŸ“Š Productivity
(4.9K)
freemium
12
Praktika – AI Language Tutor
Praktika – AI Language Tutor
Praktika – AI Language Tutor
AI μ•„λ°”νƒ€λ‘œ μ˜μ–΄λ₯Ό 배우고 λ§ν•˜κΈ°
Free

Engage in realistic conversations with AI avatars to master new languages. Practice speaking without judgment, and use multimodal learning to interact with real-world content for personalized lessons.

AI Avatars for human-like conversationsMultimodal learning with real contentCourses for all levels and academic prep
πŸ“š Education
(160K)
free with in-app purchases
13
AI Chatbot - Ask AI Anythingβ€Ž
AI Chatbot - Ask AI Anythingβ€Ž
AI Chatbot - Ask AI Anythingβ€Ž
Built on GPT-5.5
Free

This app provides a sophisticated conversational experience by leveraging advanced language models like ChatGPT, Grok, and Claude. It understands natural language and generates human-like responses for a wide range of topics and tasks. Features include email automation, document generation, and visual analysis.

Conversational AI assistantEmail reply automationDocument content generation
πŸ“Š Productivity
(158)
free with in-app purchases
14
Otter Transcribe Voice Notes
Otter Transcribe Voice Notes
Otter Transcribe Voice Notes
IA Prise de notes,Dictaphone
Free

This app offers real-time voice transcription for meetings, lectures, and conversations. It acts as an AI assistant, capturing slides, generating summaries, and allowing for collaborative editing and sharing of notes. Available in multiple languages and on web.

Real-time transcriptionAutomated meeting notes & summariesAI Chat for answers
πŸ“Š Productivity
(67K)
freemium
15
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
πŸ“Š Productivity
(4.4K)
free with in-app purchases
16
FLAI - Open-Ended AI Chat
FLAI - Open-Ended AI Chat
FLAI - Open-Ended AI Chat
The AI dreams of you
Free

Create and interact with personalized AI companions designed to be your ideal romantic partner. Experience immersive role-playing scenarios, enjoy AI-narrated ASMR calls, and explore a world of shared templates and evolving AI personalities.

Create custom AI charactersRomance simulation gameplayClone and use favorite voices
🎬 Entertainment
(456)
free with in-app purchases
17
CHAI: Social AI Platform- Chat
CHAI: Social AI Platform- Chat
CHAI: Social AI Platform- Chat
Build and Share AI
Free

Engage in dynamic conversations with AI chatbots that mimic real characters, complete with authentic voices. Create your own characters or explore a vast community library. Generate unique images from text prompts for endless creative exploration.

AI chatbot conversationsCharacter creationCommunity character library
🎬 Entertainment
(265K)
free with in-app purchases
18
AI Chat Assistant – ChatNow
AI Chat Assistant – ChatNow
AI Chat Assistant – ChatNow
Built on Gemini, GPT, Grok 4
Free

This AI assistant helps busy individuals boost productivity by handling tasks like writing emails, generating code, creating images, and summarizing documents. It supports voice input, file uploads, and image analysis, leveraging multiple advanced AI models for diverse needs.

Voice mode for real-time conversationsImage and video generationWriting and grammar assistance
πŸ“Š Productivity
(135K)
free with in-app purchases
19
Chatbot AI - Ask AI Chatbot
Chatbot AI - Ask AI Chatbot
Chatbot AI - Ask AI Chatbot
Top Al models・AI Assistant
Free

This AI-powered chatbot acts as a personal assistant to enhance communication. It helps users write faster, translate, paraphrase, and summarize content, and can generate various forms of creative text and code.

AI Chatbot AssistantContent Generation (essays, songs, stories)Translation and Summarization
πŸ”§ Utilities
(4K)
free with in-app purchases
20
Voice Chat & AI Assistant
Voice Chat & AI Assistant
Voice Chat & AI Assistant
Chats Bot & Friend Chatbot Pro
Free

This app provides a voice-activated AI assistant for multilingual conversations. It offers quick facts and in-depth responses with an intuitive one-button interface. Explore various topics effortlessly with adaptive conversational style.

Voice-activated AI assistantMultilingual conversationsOne-button interaction
πŸ“Š Productivity
(32)
free with in-app purchases

FAQ about Openai O1

What are the best openai o1 apps for iPhone?
ChatOn AI - Chat Bot Assistant tops our openai o1 apps ranking as of June 2026, with a 4.7-star average from 281K App Store ratings, and it's free to download.
Yes β€” 20 of the top openai o1 apps we rank are free to download, including ChatOn AI - Chat Bot Assistant and AI Central: o1 Preview o1 Mini.
ChatOn AI - Chat Bot Assistant shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 234+ openai o1 apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
ChatOn AI is a versatile AI assistant that helps with a wide range of tasks. It can act as a chatbot for conversations, assist with writing emails, poems, and social media posts, transform photos with various AI styles, analyze documents, summarize web content, and even generate images from text descriptions.
Key features include an AI chatbot powered by advanced models like GPT-5, an AI writing assistant for various text formats, a Pic Transformer for creative photo editing, a Web Analyzer for up-to-date information, a Doc Master for document summarization and translation, and a Text-to-Image feature. It also offers an AI keyboard for seamless integration across apps.