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Best Chat Gpt 4O Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

If you already know ChatGPT, this is the deeper bench. 248+ chat gpt 4o apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Chat Gpt 4O Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ChatGPTChatGPTFree4.8★ (9.7M)YesYesAug 2026
2AI Chat 4.0: Open Chatbot 4oAI Chat 4.0: Open Chatbot 4oFree4.5★ (2K)NoYesAug 2026
3ChatGPT for IntuneChatGPT for IntuneFree3.6★ (21)YesNoAug 2026
4ChatAI - GPT Chat AppChatAI - GPT Chat AppFree—NoYesAug 2026
5Chat AI - Ask AnythingChat AI - Ask AnythingFree4.8★ (130K)YesYesAug 2026
6AI Chat 5.6: GeniusAI Chat 5.6: GeniusFree4.7★ (52K)NoYesAug 2026
7GPT AI Assistant Chat－ChatbotGPT AI Assistant Chat－ChatbotFree4.8★ (397)NoYesAug 2026
8Chatbot AI: AI Chat AssistantChatbot AI: AI Chat AssistantFree4.6★ (6.4K)NoYesAug 2026

Top Picks for Chat Gpt 4O

ChatGPT#1

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Editor's Choice
📊 Productivity
4.8😊(9.7M 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

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and user-friendly interface
  • 🤖 Impressive conversational abilities
  • 💡 Convenient mobile access to ChatGPT

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage
AI Chat 4.0: Open Chatbot 4o#2

AI Chat 4.0: Open Chatbot 4o by Liquid Apps Kft.

Image, Photo & Text Generator
Strong Contender
📊 Productivity
4.5😞(2K ratings)
FreeIn-App Purchases
AI Chat 4.0: Open Chatbot 4o screenshot 1
AI Chat 4.0: Open Chatbot 4o screenshot 2
AI Chat 4.0: Open Chatbot 4o screenshot 3
AI Chat 4.0: Open Chatbot 4o screenshot 4
AI Chat 4.0: Open Chatbot 4o screenshot 5

This app offers a versatile AI assistant powered by advanced models like GPT-5.4 and Gemini 3.1 Pro. It excels at generating text, images, translations, and personalized plans for travel, fitness, and meals. Seamlessly switch between models for optimal results in everyday tasks, creativity, and learning.

What We Love

  • 🚀 Awesome tool
  • 💡 The best AI app I ever used
  • 👍 Very useful in many ways
  • 👍 This is the best!

Room to Improve

  • 🐛 Do not purchase this app!
  • 🐛 Not worth it!
  • 🐛 Lila
ChatGPT for Intune#3

ChatGPT for Intune by OpenAI OpCo, LLC

Managed ChatGPT for work
Worth Considering
📊 Productivity
3.6(21 ratings)
FreeAds
ChatGPT for Intune screenshot 1
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ChatGPT for Intune screenshot 3
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ChatGPT for Intune screenshot 5
ChatGPT for Intune screenshot 6

Access OpenAI's advanced AI for work or school with this Intune-managed app. Generate images, engage in voice conversations, and process documents hands-free. It helps draft content, summarize information, and brainstorm ideas for faster task completion.

More Chat Gpt 4O apps to explore

4
ChatAI - GPT Chat App
ChatAI - GPT Chat App
ChatAI - GPT Chat App
Powered by ChatGPT API
Free
🔧 Utilities
(0)
5
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
📊 Productivity
(130K)
free with in-app purchases
6
AI Chat 5.6: Genius
AI Chat 5.6: Genius
AI Chat 5.6: Genius
Built on GPT Plus Images 2.0
Free

This AI-powered tool can generate and edit images, write and rewrite text for various purposes, and explain content from photos or documents. It also provides up-to-date web search results and can analyze files like PDFs and spreadsheets.

Image generation and editingText writing and rewritingPhoto-based explanations
🔧 Utilities
(52K)
free with in-app purchases
7
GPT AI Assistant Chat－Chatbot
GPT AI Assistant Chat－Chatbot
GPT AI Assistant Chat－Chatbot
AI powered by ChatGPT & GPT－5
Free

This AI-powered assistant helps you write, create, learn, and get instant answers. It leverages advanced AI models to generate text, images, and summaries from various inputs, making daily tasks more efficient.

AI-powered writing assistanceInstant answers and explanationsContent summarization and analysis
📊 Productivity
(397)
free with in-app purchases
8
Chatbot AI: AI Chat Assistant
Chatbot AI: AI Chat Assistant
Chatbot AI: AI Chat Assistant
AI Chat & Image Generator
Free

Access multiple advanced AI models, including GPT-5, Claude, Grok, Gemini, and DeepSeek, in a single application. Generate text, create images, get help with tasks, and translate languages with intelligent assistance.

Access to GPT-5, Claude, Grok, Gemini, DeepSeekAI-powered text generationImage generation from descriptions
📊 Productivity
(6.4K)
free with in-app purchases
9
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
AI Chat, Video & Image Maker
Free

This AI-powered assistant helps with work, study, and creative projects. It offers advanced chat, image generation and editing, document analysis, and web search capabilities. Get instant insights and create visuals from text descriptions.

Advanced AI ChatbotAI Image GeneratorAI Image Editor
📊 Productivity
(200K)
free with in-app purchases
10
Latest GPT
Latest GPT
Latest GPT
Powered by OpenAI's GPT4
Free

Engage in conversations with the most advanced AI model directly from your wrist. Enjoy hands-free listening with text-to-speech and receive rapid responses. The app consistently integrates the newest AI models as they become available.

Chat with latest OpenAI modelText-to-Speech for audio responsesFast response times
🔧 Utilities
(1)
free with in-app purchases
11
Tivo - Chat Room, Live Chat
Tivo - Chat Room, Live Chat
Tivo - Chat Room, Live Chat
by PT SATU CORE DIGITAL
Free

Connect with people worldwide through voice conversations based on shared interests. Discover open rooms, engage in spontaneous discussions, and unlock enhanced interactions in premium spaces. Foster a safe and authentic community where genuine connections are made.

Global voice chat roomsTopic-based communitiesOpen mic discussions
🎬 Entertainment
(1)
free with in-app purchases
12
AI Chat Bot & Virtual Writer
AI Chat Bot & Virtual Writer
AI Chat Bot & Virtual Writer
Based on artificial genius
Free

This app leverages advanced AI to answer questions, assist with writing, and generate creative content. It's trained on vast amounts of information to provide accurate and intelligent responses for various tasks.

Answer complex questionsWriting assistanceLanguage learning
📊 Productivity
(258)
free with in-app purchases
13
Chataibot — AI Chat
Chataibot — AI Chat
Chataibot — AI Chat
Chat with GPT, Claude & more
Free

Engage in conversations with advanced AI models for instant answers, writing assistance, brainstorming, translation, and coding. Offers multiple AI choices with a focus on privacy and no sign-up required. Flexible pricing includes free messages, pay-per-use credits, or unlimited subscription access.

Multiple AI modelsAnonymous chatPay-per-use credits
📊 Productivity
(0)
free with in-app purchases
14
EnigmaAI - Private AI Chat
EnigmaAI - Private AI Chat
EnigmaAI - Private AI Chat
Anonymous ChatGPT, Claude & AI
Free
📊 Productivity
(0)
15
TiTi - Chat
TiTi - Chat
TiTi - Chat
TiTi Chat
Free

A free and fast private messenger platform for creating wonderful moments. This cloud-based app offers full security and special features for mobile and browser messaging.

Private messagingCloud-basedFull security
🌐 Social Networking
(1)
free
16
Thinking AI Chat
Thinking AI Chat
Thinking AI Chat
Chat with Thinking AI System
Free
📊 Productivity
(0)
17
Google Chat
Google Chat
Google Chat
Efficient Team Communication
Free

Connect, collaborate, and accomplish tasks with AI-powered messaging. Streamline teamwork with integrations and smart features. Securely communicate with your team, whether in real-time or asynchronously.

AI-powered conversation summariesAutomatic message translationAI-powered search
💼 Business
(305K)
free with in-app purchases
18
AI Chat & Smart Chatbot
AI Chat & Smart Chatbot
AI Chat & Smart Chatbot
Your AI Copilot
Free

This AI-powered communication tool offers rapid text generation and custom chat creation. It allows users to store conversations and organize important text for easy access, enhancing online interaction efficiency.

Lightning-fast text generationPowered by GPT-4Create custom chats
📊 Productivity
(1)
free
19
Chat GT: General AI Assistant
Chat GT: General AI Assistant
Chat GT: General AI Assistant
All-in-one Top AI LLM Models
Free
📊 Productivity
(0)
20
SuperChat-Quick chat
SuperChat-Quick chat
SuperChat-Quick chat
No registration,Direct login
Free
🌐 Social Networking
(0)

FAQ about Chat Gpt 4O

What are the best chat gpt 4o apps for iPhone?
ChatGPT tops our chat gpt 4o apps ranking as of August 2026, with a 4.8-star average from 9.7M App Store ratings, and it's free to download.
Yes — 20 of the top chat gpt 4o apps we rank are free to download, including ChatGPT and AI Chat 4.0: Open Chatbot 4o.
ChatGPT shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ chat gpt 4o apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides access to advanced AI capabilities, allowing users to generate text, create images from descriptions, and engage in real-time voice conversations. It can offer creative inspiration, tailored advice, personalized learning assistance, and instant answers for a wide range of queries.
Key features include generating original images from text descriptions, engaging in advanced voice conversations, uploading photos to transcribe or get information, and receiving creative inspiration or tailored advice. It also supports personalized learning and professional brainstorming.