Best Openai Codex Apps

246+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Finding the right openai codex apps can be overwhelming with so many options. We've analyzed 246+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Openai Codex Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Codex AI - Remote CodexCodex AI - Remote CodexFree4.7★ (25)NoYesNov 2026
2ChatGPTChatGPTFree4.8★ (12M)YesYesNov 2026
3Claude by AnthropicClaude by AnthropicFree4.7★ (296K)NoYesNov 2026
4Mobile IDE for Codex AI GPTMobile IDE for Codex AI GPTFree4.0★ (1)NoYesOct 2026
5Google GeminiGoogle GeminiFree4.7★ (2.4M)NoYesNov 2026
6Codex Relay - Remote Codex AppCodex Relay - Remote Codex AppFree4.2★ (57)NoNoNov 2026
7DeepSeek - AI AssistantDeepSeek - AI AssistantFree3.9★ (13K)NoNoNov 2026
8iCodex: Claude & Codex UsageiCodex: Claude & Codex UsageFree5.0★ (1)NoYesOct 2026

Top Picks for Openai Codex

4.7(25 ratings)
FreeIn-App Purchases
Codex AI - Remote Codex screenshot 1
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Codex AI - Remote Codex screenshot 5
Codex AI - Remote Codex screenshot 6

This app integrates AI conversations, writing, coding assistance, and creative tools into a single workspace. It allows users to draft content, review code, generate images, and even connect to a remote computer for extended functionality. Organize your work into projects and personalize interactions with AI memory.

ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Strong Contender
📊 Productivity
4.8😊(12M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
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This AI assistant offers advanced conversational abilities, image generation, and voice interaction. It helps with creative inspiration, personalized learning, professional input, and instant answers to your queries. Syncs history across devices for seamless use.

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
Claude by Anthropic#3

Claude by Anthropic by Anthropic PBC

AI assistant for life and work
Worth Considering
📊 Productivity
4.7😊(296K ratings)
FreeIn-App Purchases
#2in Productivity
Claude by Anthropic screenshot 1
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Claude by Anthropic screenshot 3
Claude by Anthropic screenshot 4
Claude by Anthropic screenshot 5
Claude by Anthropic screenshot 6

This AI assistant helps you write, research, code, and solve complex problems. It refines your writing, debugs code, analyzes visual data, and provides insights from your connected documents. Think out loud with voice dictation for hands-free brainstorming and problem-solving.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and easy to use interface
  • 💡 Innovative features like 'Projects'
  • 🤖 Intelligent and thoughtful responses
  • 📚 Comprehensive knowledge base
  • 🔍 Helpful for a wide range of tasks

Room to Improve

  • 🔒 Concerns about privacy and data usage
  • 🚫 Limitations on free usage and throttling
  • 🐛 Occasional bugs and crashes
  • 🙅‍♀️ Overly restrictive content policies
  • 🤖 Lack of true conversational abilities

More Openai Codex apps to explore

FAQ about Openai Codex

What are the best openai codex apps for iPhone?
Codex AI - Remote Codex tops our openai codex apps ranking as of October 2026, with a 4.7-star average from 25 App Store ratings, and it's free to download.
Yes — 20 of the top openai codex apps we rank are free to download, including Codex AI - Remote Codex and ChatGPT.
Codex AI - Remote Codex has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ openai codex apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.