Best Gpt Codex Apps & Games

66+ iOS apps & games curated and reviewed

4.5 avg rating
19 free apps & games
Updated May 2026

Whether you're new to gpt codex or looking for an upgrade, our curated collection of 66+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Gpt Codex Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ChatGPTChatGPTFree4.8★ (9.6M)YesYesAug 2026
2Claude by AnthropicClaude by AnthropicFree4.7★ (242K)NoYesAug 2026
3Omnara: Claude & Codex MobileOmnara: Claude & Codex MobileFree4.4★ (35)NoNoAug 2026
4Grok AIGrok AIFree4.9★ (1.3M)NoYesAug 2026
5Perplexity - AI Search & ChatPerplexity - AI Search & ChatFree4.8★ (496K)NoYesAug 2026
6Manus - AI Agent & AutomationManus - AI Agent & AutomationFree4.7★ (37K)NoYesAug 2026
7Kimi - Kimi K3 is LiveKimi - Kimi K3 is LiveFree4.8★ (5.1K)NoYesAug 2026
8DeepSeek - AI AssistantDeepSeek - AI AssistantFree4.0★ (11K)NoNoAug 2026

Top Picks for Gpt Codex

ChatGPT#1

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Editor's Choice
📊 Productivity
4.8😊(9.6M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
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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
Claude by Anthropic#2

Claude by Anthropic by Anthropic PBC

AI assistant for life and work
Strong Contender
📊 Productivity
4.7😊(242K ratings)
FreeIn-App Purchases
#2in Productivity
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This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and easy to use interface
  • 💡 Innovative features like 'Projects'
  • 🤖 Intelligent and thoughtful responses

Room to Improve

  • 🔒 Concerns about privacy and data usage
  • 🚫 Limitations on free usage and throttling
  • 🐛 Occasional bugs and crashes
Omnara: Claude & Codex Mobile#3

Omnara: Claude & Codex Mobile by Omnara, Inc.

Claude Code & Codex on the go
Worth Considering
🛠️ Developer Tools
4.4(35 ratings)
FreeIn-App Purchases
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Control your AI coding agents from your phone. Monitor, steer, and approve live AI coding sessions in real time, anywhere. Supports Claude Code and Codex, with features like voice coding and live localhost previews.

More Gpt Codex apps to explore

4
Grok AI
Grok AI
Grok AI
AI chat & video generation
Free

This AI assistant provides fast, truthful answers and can perform deep web research. It generates striking images and videos from text or voice prompts, and can analyze uploaded content. Engage in conversations with personalized AI companions and access real-time information from X.

AI-powered Q&A and web researchAI image and video generationVoice mode with live camera
📊 Productivity
(1.3M)
free with in-app purchases
5
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Ask. Research. Trusted Answers
Free

Get accurate, source-backed answers to any question with this AI-powered search and chat tool. It leverages top AI models for deep research, drafting emails, and more, syncing across devices. Discover new information and organize your findings in a personal library.

AI-powered search with cited sourcesDeep research and guided explorationConversational follow-up questions
📊 Productivity
(496K)
free with in-app purchases
6
Manus - AI Agent & Automation
Manus - AI Agent & Automation
Manus - AI Agent & Automation
Web Dev, Slides, research
Free

This AI agent bridges thought and action by autonomously planning, researching, and delivering finished products on a virtual computer. It handles complex tasks like data analysis, slide deck generation, and media creation, working asynchronously in the cloud and notifying you upon completion.

Autonomous task planning and executionAdvanced data analysis and reportingBoardroom-quality slide deck generation
📊 Productivity
(37K)
free with in-app purchases
7
Kimi - Kimi K3 is Live
Kimi - Kimi K3 is Live
Kimi - Kimi K3 is Live
K3,Code,Slides,Agent Swarm
Free

This AI-powered agent assists with coding, content creation, and office tasks. It can generate presentations, build websites from designs, and perform complex research with autonomous sub-agents for enhanced efficiency. Handle large documents and detailed conversations with its extensive context window.

Autonomous sub-agent creation for parallel efficiencyCode, create, analyze, and build presentationsAutomate workflows with scheduled tasks and long-term memory
📊 Productivity
(5.1K)
freemium
8
DeepSeek - AI Assistant
DeepSeek - AI Assistant
DeepSeek - AI Assistant
Intelligent AI Assistant
Free

This AI assistant offers free, intelligent help powered by a cutting-edge model. It provides rapid responses and advanced capabilities to enhance problem-solving and daily efficiency.

Intelligent AI assistantPowered by flagship AI modelFaster response times
📊 Productivity
(11K)
free
9
Canva AI Photo & Video Editor
Canva AI Photo & Video Editor
Canva AI Photo & Video Editor
Collage Maker, Resume Builder
Free

Create stunning graphics, photos, and videos with an all-in-one platform. Generate videos from text prompts using AI, edit photos with background removal, and design presentations, resumes, and social media content. Collaborate in real-time with extensive templates.

AI video generation from textBackground removerPhoto editing suite
📷 Photo & Video
(3.5M)
free with in-app purchases
10
Mobile IDE for Codex AI GPT
Mobile IDE for Codex AI GPT
Mobile IDE for Codex AI GPT
Remote Coding Agent & CLI
Free

This app provides a mobile interface for a desktop AI coding environment, allowing developers to edit code, run commands, manage Git, and interact with AI assistants from their iPhone. It enables productive use of idle moments by offering real-time access to projects and a built-in terminal.

Real-time desktop bridgeBuilt-in terminalFull Git support
🛠️ Developer Tools
(1)
freemium
11
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

This AI assistant helps you brainstorm, create content, and simplify complex topics. It integrates with your Google apps to provide personalized assistance, plan trips, and study smarter. Upgrade for advanced features like video generation and deeper research capabilities.

Unlimited prompting with Gemini 3 FlashLive interaction via camera/screen sharingContent creation (mockups, posters, diagrams)
📊 Productivity
(2.1M)
free with in-app purchases
12
Warhammer 40,000: Tacticus ™
Warhammer 40,000: Tacticus ™
Warhammer 40,000: Tacticus ™
Turn-based tactical battle RPG
Free

Engage in turn-based tactical battles in the Warhammer 40,000 universe. Collect and upgrade powerful warriors from various factions, equip them with gear, and strategically deploy them in PvE campaigns, PvP matches, and guild raids to conquer the galaxy.

Turn-based tactical combatCollect and upgrade heroesMultiple factions (Space Marine, Chaos, Xenos)
🎮 Games
(46K)
free with in-app purchases
13
Warhammer: Chaos & Conquest
Warhammer: Chaos & Conquest
Warhammer: Chaos & Conquest
Champion crusade, Hero War Age
Free

Build a fortress, command a warband, and conquer the Old World in this real-time strategy game set in the Warhammer Fantasy universe. Engage in battles, form alliances, and prove your worth to the Chaos Gods.

Build and upgrade a Chaos fortressCollect and command Warlords and DaemonsEngage in real-time strategy battles
🎮 Games
(6.8K)
free with in-app purchases
14
Warhammer 40,000: Freeblade
Warhammer 40,000: Freeblade
Warhammer 40,000: Freeblade
Epic 40k War Mech Battles
Free

Command an Imperial Knight in intense battles across the Warhammer 40,000 universe. Engage in over 170 missions, customize your war machine, and battle foes in explosive action and epic melee combat. Compete in daily events and multiplayer duels.

Over 170 single-player missionsTap-to-shoot action with cannons and missilesEpic melee combat with Chainsword
🎮 Games
(50K)
free with in-app purchases
15
Warhammer 40,000: The App
Warhammer 40,000: The App
Warhammer 40,000: The App
Lead your armies to victory.
Free

This app is your digital companion for tabletop warfare in the 41st Millennium. It provides simplified core rules, complete unit datasheets for all factions, and tools to build valid armies for engaging in brutal battles.

Simplified core rulesComplete unit datasheetsCombat Patrol datasheets
🌟 Lifestyle
(1.5K)
free with in-app purchases
16
Kill Team: The App
Kill Team: The App
Kill Team: The App
Welcome to the Killzone!
Free

Engage in tactical skirmish combat with this app for Warhammer 40,000: Kill Team. Access all your team rules, operative options, and faction abilities instantly. Build a custom library of your favorite kill teams for quick reference during gameplay.

Download kill team rulesCustom kill team libraryBrowse operative options
🌟 Lifestyle
(84)
free
17
Copilot: Your AI Assistant
Copilot: Your AI Assistant
Copilot: Your AI Assistant
Ask AI: Chat & Voice Assistant
Free

This AI assistant helps with a wide range of tasks, from creative projects and everyday questions to work-related needs. It offers natural conversation, visual analysis, and learning tools, making tasks easier and faster.

AI Chat & Voice AssistantAI Image GenerationVisual Image Analysis
📊 Productivity
(407K)
free with in-app purchases
18
Warhammer Horus Heresy Legions
Warhammer Horus Heresy Legions
Warhammer Horus Heresy Legions
Epic card battle Warhammer CCG
Free

Engage in strategic card battles set in the Warhammer 40,000 universe. Collect cards, build decks, and compete in PvP arenas. Influence game evolution through faction wars and join guilds to discuss strategies.

Collect and build Space Marine decksEngage in PvP Arena card battlesJoin guilds for strategy discussion
🎮 Games
(6.2K)
free with in-app purchases
19
Quartermaster
Quartermaster
Quartermaster
Tabletop miniature management
$7.99

Manage your tabletop miniature armies and forces with this app. Draft new army ideas, organize your existing miniatures, and prepare for game time. Supports a growing list of popular tabletop miniature games with community-created templates.

Army and force managementDraft new army ideasOrganize miniatures
🎬 Entertainment
(367)
free
20
Warhammer TV
Warhammer TV
Warhammer TV
Official animations and more.
Free

Access exclusive Warhammer animations, original shows, painting guides, and lore explainers. New content is added weekly, offering hundreds of episodes for fans of the Warhammer 40,000 and Age of Sigmar universes.

Exclusive Warhammer animationsOriginal Warhammer TV showsPainting masterclasses
🎬 Entertainment
(3K)
subscription

FAQ about Gpt Codex

What are the best gpt codex apps & games for iPhone?
ChatGPT tops our gpt codex apps & games ranking as of May 2026, with a 4.8-star average from 9.6M App Store ratings, and it's free to download.
Yes — 19 of the top gpt codex apps & games we rank are free to download, including ChatGPT and Claude by Anthropic.
ChatGPT shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 66+ gpt codex apps & games 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.