Best Open Chat AI Apps

247+ iOS apps curated and reviewed

3.7 avg rating
20 free apps
Updated September 2026

Looking for free open chat ai apps? 20 of our 247+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Open Chat AI Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Openchat: AI Chatbot CopilotOpenchat: AI Chatbot CopilotFree4.7★ (4.4K)YesYesOct 2026
2ChatGPTChatGPTFree4.8★ (11M)YesYesOct 2026
3AI Chat 4.0: Open Chatbot 4oAI Chat 4.0: Open Chatbot 4oFree4.5★ (2.3K)NoYesOct 2026
4Chat AI - Ask AnythingChat AI - Ask AnythingFree4.8★ (130K)YesYesOct 2026
5RoboAI - Chat & Ask AI ChatbotRoboAI - Chat & Ask AI ChatbotFree4.6★ (17K)YesYesOct 2026
6Pocket AI - Chat and ChatbotPocket AI - Chat and ChatbotFree—NoNoMay 2026
7AI Chat ChatbotAI Chat ChatbotFree4.5★ (1.2K)YesYesOct 2026
8Chat PLUS-OpenChatAI AssistantChat PLUS-OpenChatAI AssistantFree4.8★ (5)NoYesJul 2026

Top Picks for Open Chat AI

Openchat: AI Chatbot Copilot#1

Openchat: AI Chatbot Copilot by JARVISY LTD

Image, Voice, Text Generation
Editor's Choice
📊 Productivity
4.7😊(4.4K ratings)
FreeAdsIn-App Purchases
Openchat: AI Chatbot Copilot screenshot 1
Openchat: AI Chatbot Copilot screenshot 2
Openchat: AI Chatbot Copilot screenshot 3
Openchat: AI Chatbot Copilot screenshot 4
Openchat: AI Chatbot Copilot screenshot 5
Openchat: AI Chatbot Copilot screenshot 6

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.

What We Love

  • 🚀 Super charged productivity and brainstorm capacity
  • 👍 Helpful for dyslexic business owners
  • 👍 Easy to use
  • 👍 Awesome program for therapists
  • 👍 Very helpful as an editor
  • 👍 Great assist to foster learning and studying
  • 👍 Helps with homeschooling
  • 👍 Amazing for creating images
  • 👍 Wonderful for generating logos and business plans
  • 👍 Fun and educational
  • 👍 Spark of creativity

Room to Improve

  • 🐛 Incorrect spelling in advanced images
  • 🔒 Requires payment for full access
  • 🐛 Image generation limitations and issues
ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Strong Contender
📊 Productivity
4.8😊(11M 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 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😞(2.3K 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 Open Chat AI apps to explore

FAQ about Open Chat AI

What are the best open chat ai apps for iPhone?
Openchat: AI Chatbot Copilot tops our open chat ai apps ranking as of September 2026, with a 4.7-star average from 4.4K App Store ratings, and it's free to download.
Yes — 20 of the top open chat ai apps we rank are free to download, including Openchat: AI Chatbot Copilot and ChatGPT.
Openchat: AI Chatbot Copilot shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 247+ open chat ai apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.