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.

Compare top Chat Gpt 4 Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ChatGPTChatGPTFree4.8★ (10M)YesYesSep 2026
2AI Chat Assistant – ChatNowAI Chat Assistant – ChatNowFree4.8★ (141K)YesYesSep 2026
3AI Chat 4.0: Open Chatbot 4oAI Chat 4.0: Open Chatbot 4oFree4.5★ (2K)NoYesSep 2026
4Chatbot AI: AI Chat AssistantChatbot AI: AI Chat AssistantFree4.6★ (6.5K)NoYesSep 2026
5AI Chat 5.6: GeniusAI Chat 5.6: GeniusFree4.7★ (52K)NoYesSep 2026
6GPT AI Assistant Chat-ChatbotGPT AI Assistant Chat-ChatbotFree4.8★ (397)NoYesSep 2026
7GO AI Chat 5.0 Video GeneratorGO AI Chat 5.0 Video GeneratorFree4.5★ (352)NoYesSep 2026
8Chatbot AI Assistant - GenieChatbot AI Assistant - GenieFree4.7★ (200K)YesYesSep 2026

Top Picks for Chat Gpt 4

ChatGPT#1

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Editor's Choice
📊 Productivity
4.8😊(10M 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
  • 🧠 Vast knowledge base on diverse topics
  • 🔍 Helpful for research, writing, and problem-solving
  • 🤝 Feels like an intelligent companion

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage
  • 🔍 Difficulty in navigating and managing conversation history
AI Chat Assistant – ChatNow#2

AI Chat Assistant – ChatNow by tappz

Built on Gemini, GPT-6, Grok 4
Strong Contender
📊 Productivity
4.8😐(141K ratings)
FreeAdsIn-App Purchases
#39in 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
  • 🤔 Lacks memory/context
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😞(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
  • 🐛 Hard to use
  • 🐛 Disappointed
  • 🐛 Asks me if I want to upgrade every question
  • 🐛 Very disappointed.
  • 🐛 Misleading and fraud
  • 🐛 Needs work
  • 🐛 No good for free plan
  • 🐛 Описание приложения.
  • 🐛 A very poor app
  • 🐛 I don't like that the particular one doesn't have the voice.

More Chat Gpt 4 apps to explore

FAQ about Chat Gpt 4

What are the best chat gpt 4 apps for iPhone?
ChatGPT tops our chat gpt 4 apps ranking as of May 2026, with a 4.8-star average from 10M App Store ratings, and it's free to download.
Yes — 20 of the top chat gpt 4 apps we rank are free to download, including ChatGPT and AI Chat Assistant – ChatNow.
ChatGPT shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 227+ chat gpt 4 apps on the iOS App Store as of May 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.

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