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Best Chat Gpt 4 Apps

227+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good chat gpt 4 apps. We benchmark 227+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Chat Gpt 4

ChatGPT#1

ChatGPT by OpenAI OpCo, LLC

The official app by OpenAI
Editor's Choice
📊 Productivity
4.8😊(8.1M 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 Assistant – ChatNow#2

AI Chat Assistant – ChatNow by Tappz GmbH

Built on Gemini, GPT, Grok 4
Strong Contender
📊 Productivity
4.8😐(135K ratings)
FreeAdsIn-App Purchases
#35in Productivity
AI Chat Assistant – ChatNow screenshot 1
AI Chat Assistant – ChatNow screenshot 2
AI Chat Assistant – ChatNow screenshot 3
AI Chat Assistant – ChatNow screenshot 4
AI Chat Assistant – ChatNow screenshot 5
AI Chat Assistant – ChatNow screenshot 6

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.

What We Love

  • 🚀 Fast and responsive
  • 💡 Helpful AI assistant
  • 👍 Useful for writing tasks
  • 🤖 Impressive capabilities

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Limited free usage
  • 🐛 Inconsistent responses
AI Chat 4.0: Open Chatbot 4o#3

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

Image, Photo & Text Generator
Worth Considering
📊 Productivity
4.5😞(1.7K 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

More Chat Gpt 4 apps to explore

4
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
(6K)
free with in-app purchases
5
AI Chat 5.6: Genius
AI Chat 5.6: Genius
AI Chat 5.6: Genius
Chatbot Agent 4.0 Built on GPT
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
(51K)
free with in-app purchases
6
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
(310)
free with in-app purchases
7
GO AI Chat 5.0 Video Generator
GO AI Chat 5.0 Video Generator
GO AI Chat 5.0 Video Generator
Chatbot for tasks & Bot text
Free

This AI-powered assistant offers instant answers, intelligent writing help, and creative image generation. It supports multiple AI models for diverse tasks, from coding to content creation and real-time translation.

Instant AI ChatAI Writing AssistantAI Image Generator
📊 Productivity
(319)
free with in-app purchases
8
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
AI Chatbot & Image Generator
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
(198K)
free with in-app purchases
9
ChatOn AI - Chat Bot Assistant
ChatOn AI - Chat Bot Assistant
ChatOn AI - Chat Bot Assistant
One Chatbot–Multiple Al Tools
Free

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.

AI Chatbot & Virtual AssistantAI Writing AssistantPic Transformer (AI Photo Editing)
📊 Productivity
(278K)
free with in-app purchases
10
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
📊 Productivity
(324K)
free with in-app purchases
11
AI+ Chat & Al Video Generator
AI+ Chat & Al Video Generator
AI+ Chat & Al Video Generator
Chatbot Homework Helper ChatAI
Free

Access multiple advanced AI models for work, school, and personal tasks. Get help with writing, learning, brainstorming, and even creative projects. Offers AI video generation and text-to-speech capabilities.

Access multiple AI modelsWork assistance (email, copywriting, proposals)School assistance (tutor, essay writer)
📊 Productivity
(19K)
freemium
12
Chat AI: Ask Chatbot Assistant
Chat AI: Ask Chatbot Assistant
Chat AI: Ask Chatbot Assistant
AI Writer & AI Image Generator
Free

This app leverages advanced AI to provide a conversational experience, acting as a virtual assistant for daily tasks and a content creation tool. It can answer a wide range of questions and generate unique digital art based on user preferences.

AI-powered chatbotVirtual assistant for tasksContent writing assistance
📊 Productivity
(15K)
freemium
13
ChatGenius - AI Chat, ChatBot
ChatGenius - AI Chat, ChatBot
ChatGenius - AI Chat, ChatBot
Smart Assistant & AI Writer
Free

This AI-powered companion utilizes the GPT-5.1 API to offer advanced chatbot interactions, creative writing assistance, and research tools. It also includes code generation, smart editing, and speech-to-text capabilities, making daily tasks more productive and enjoyable.

Advanced AI chatbot interactionsPoetry and social media post generationResearch and concept explanation
📊 Productivity
(4.3K)
free with in-app purchases
14
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
(126K)
free with in-app purchases
15
AI ChatBot Assistant: AskEasy
AI ChatBot Assistant: AskEasy
AI ChatBot Assistant: AskEasy
Top Chat Built on All Models
Free

This AI assistant helps with daily tasks, answering queries, writing content, and generating images. It can also summarize documents, translate languages, and create captions for photos, making life more efficient and fun.

AI Image GeneratorAI Writing AssistantUpload and Ask (PDFs)
📊 Productivity
(30K)
subscription
16
Chatly: AI Chatbot & Assistant
Chatly: AI Chatbot & Assistant
Chatly: AI Chatbot & Assistant
Built on GPT-4o. Chat & Ask AI
Free

This AI assistant leverages advanced GPT technology to help users with a wide range of writing tasks, from crafting marketing materials and speeches to generating social media content and code. It also offers image creation, text summarization, and OCR capabilities.

AI writing assistanceImage creation toolSpelling and grammar editor
📊 Productivity
(2.1K)
free with in-app purchases
17
Poe – Fast AI Chat
Poe – Fast AI Chat
Poe – Fast AI Chat
Ask questions and get answers
Free

Access multiple advanced AI models and generative tools in one application. Engage in conversational AI, create multimedia content, and build custom chatbots for various tasks. Offers both free and subscription-based AI models.

Access to leading AI modelsMultimedia generation (images/videos)Create and customize chatbots
📊 Productivity
(54K)
free with in-app purchases
18
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

This AI assistant offers advanced capabilities for writing, research, and image generation. It leverages multiple powerful AI models to provide deep insights, create content, and simplify tasks. Ideal for students, professionals, and creatives seeking enhanced productivity.

AI Image GeneratorAI Writing AssistantDeep Research with Sources
📊 Productivity
(166K)
free with in-app purchases
19
AI Chat - Instant Chatbot
AI Chat - Instant Chatbot
AI Chat - Instant Chatbot
Build on ChatGPT API & GPT-4
Free

This AI-powered assistant offers advanced chatbot capabilities, image generation, document summarization, and essay writing. It also includes voice communication, language translation, and professional assistance for various tasks, enhancing productivity and creativity.

AI Chatbot for instant answersEssay and creative content generationDocument summarization
📊 Productivity
(1.9K)
free with in-app purchases
20
GoatChat: AI Chatbot & AI Chat
GoatChat: AI Chatbot & AI Chat
GoatChat: AI Chatbot & AI Chat
Deutsch AI Helfer & Ideen
Free

This AI-powered chatbot acts as a clever friend and personal assistant, ready to chat, assist, and simplify your daily routine. It understands context and nuance, offering quick answers, helpful suggestions, and engaging conversations.

AI-powered chatbotPersonal assistant capabilitiesSchedule organization
📊 Productivity
(7.3K)
subscription

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