Best Claude Opus 4 Apps

67+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

Claude by Anthropic is the household name in claude opus 4, but it's far from the only option. We track 67+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Claude Opus 4

Claude by Anthropic#1

Claude by Anthropic by Anthropic PBC

AI assistant for life and work
Editor's Choice
📊 Productivity
4.7😊(180K ratings)
FreeAdsIn-App Purchases
#2in Productivity
Claude by Anthropic screenshot 1
Claude by Anthropic screenshot 2
Claude by Anthropic screenshot 3
Claude by Anthropic screenshot 4
Claude by Anthropic screenshot 5
Claude by Anthropic screenshot 6

Get instant help on various tasks with Claude, an AI assistant that offers intelligence at your fingertips. Collaborate, brainstorm, or get assistance with daily tasks while on the go. Trust Claude to be your reliable partner for all your needs. To learn more, visit the website.

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
ChatGPT#2

ChatGPT by OpenAI OpCo, LLC

The official app by OpenAI
Strong Contender
📊 Productivity
4.8😊(8M ratings)
FreeAdsIn-App Purchases
#1in Productivity
ChatGPT screenshot 1
ChatGPT screenshot 2
ChatGPT screenshot 3
ChatGPT screenshot 4
ChatGPT screenshot 5
ChatGPT screenshot 6

Discover the ultimate AI-powered chat app for iOS with voice mode, creative inspiration, tailored advice, learning opportunities, professional input, and instant answers. Join millions of users and download now for free!

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
Grok - AI Assistant#3

Grok - AI Assistant by X Corp.

The real-time AI assistant
Worth Considering
📊 Productivity
4.8😊(122K ratings)
FreeIn-App Purchases
#3in Productivity
Grok - AI Assistant screenshot 1
Grok - AI Assistant screenshot 2
Grok - AI Assistant screenshot 3
Grok - AI Assistant screenshot 4
Grok - AI Assistant screenshot 5
Grok - AI Assistant screenshot 6

What We Love

  • 🚀 Fast and efficient
  • 🔒 Unbiased and ethical
  • 👍 Clean and intuitive UI
  • 🤖 Powerful AI capabilities

Room to Improve

  • 🐛 Occasional errors in responses
  • 🔍 Needs more robust search/history features
  • 🔌 Requires X account for full functionality

More Claude Opus 4 apps to explore

4
Google Gemini
Google Gemini
Google Gemini
Your AI assistant from Google
Free

Google Gemini is your AI assistant for boosting creativity and productivity. With features like brainstorming, connecting with Google apps, studying smarter, trip planning, AI-generated imagery, and more, Gemini Advanced offers even more capabilities with a 1-month free trial. Discover the power of Google's next-gen AI at g.co/gemini/iosrequirements.

📊 Productivity
(1.9M)
5
DeepSeek - AI Assistant
DeepSeek - AI Assistant
DeepSeek - AI Assistant
Intelligent AI Assistant
Free

In a couple of sentences, the essence of the application and its functionality can be conveyed as follows: Experience an intelligent AI assistant that offers seamless interaction and comprehensive features to answer your questions and enhance your life efficiently. Powered by a state-of-the-art model, this free AI assistant leads global standards and is designed to provide faster speeds and enhanced capabilities.

📊 Productivity
(11K)
6
ChatPlus: AI Chatbot Assistant
ChatPlus: AI Chatbot Assistant
ChatPlus: AI Chatbot Assistant
Powered by GPT-5.2 & DALL-E 3
Free

AI Chatbot⁺ is a cutting-edge application powered by advanced AI technology. Experience seamless communication with an intelligent bot that can assist you in various tasks. Interact with AI Chatbot⁺ today for personalized and efficient responses.

📊 Productivity
(86)
7
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Perplexity - AI Search & Chat
Ask. Research. Trusted Answers
Free

Discover a smarter way to access credible and up-to-date answers with AI-powered search and discovery. Features include guided AI search, voice or text input, threaded conversations, and a community-driven learning experience. Start your journey to better knowledge and understanding by downloading the app now.

📊 Productivity
(479K)
8
ChatCL Chinese AI
ChatCL Chinese AI
ChatCL Chinese AI
Smart Model & AI Video/Image
Free
📊 Productivity
(4)
9
Poe – Fast AI Chat
Poe – Fast AI Chat
Poe – Fast AI Chat
Ask questions and get answers
Free
📊 Productivity
(2.2K)
10
ChatGro - AI Assistant
ChatGro - AI Assistant
ChatGro - AI Assistant
4o, 4.0, o1, opus, sonnet
Free

Experience the future of conversations with this feature-packed AI assistant that enhances fun and practicality, offering advice, answers, and task handling. Try it now and discover a unique conversation experience with natural conversations, voice input, and role-playing capabilities.

📊 Productivity
(7)
11
Clever AI Hub - Pro AI Agents
Clever AI Hub - Pro AI Agents
Clever AI Hub - Pro AI Agents
AI Assistant & Image Generator
Free

Harness the power of Clever AI Hub's Pro Assistant, fueled by advanced technology, for optimized productivity and efficiency in your daily tasks. Experience seamless assistance and elevate your workflow with this innovative tool. Try it out today and discover a new level of productivity!

📊 Productivity
(285)
12
YouTube
YouTube
YouTube
Videos, Music and Live Streams
Free

Watch, listen, and stream videos, music, and live content on this app. Explore trending topics, connect with creators, and create your own content on any device. Join the YouTube community and support favorite creators with channel memberships.

📷 Photo & Video
(4.1M)
13
Google Maps
Google Maps
Google Maps
Places, navigation & traffic
Free

Discover and navigate locations effortlessly with a powerful mapping app. Seamlessly find places and get directions with ease. Explore the world at your fingertips.

🗺️ Navigation
(7.2M)
14
AI Chat 4.0: Open Chatbot 4o
AI Chat 4.0: Open Chatbot 4o
AI Chat 4.0: Open Chatbot 4o
Image, Photo & Text Generator
Free

Connect with AI Chat 4.0, an advanced open chatbot powered by ChatGPT. Experience the future of conversational AI. Try it now to engage in dynamic and natural conversations!

📊 Productivity
(1.4K)
15
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chatbot & Search Assistant
Free

A user-friendly messaging app allowing real-time communication through text, voice, and video. Stay connected with friends, share media, and create group chats effortlessly. Start chatting now to experience seamless communication at your fingertips.

📊 Productivity
(324K)
16
Google
Google
Google
Search with AI, Images & Text
Free

Search with AI, Images, Voice, and Text. Unlock a powerful search engine that uses artificial intelligence to provide accurate results based on images, voice commands, and text inputs. Experience smarter, more intuitive search capabilities at your fingertips.

🔧 Utilities
(4.7M)
17
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
Ask AI: Chat & Voice Assistant
Free

Enhance productivity and creativity with an AI assistant that helps you find information, create visuals from text, and optimize tasks with personalized responses. Experience the future of AI interaction and elevate your workflow with the ultimate AI companion - try it free for 1 month! Download now for a smarter, more efficient way to work and create.

📊 Productivity
(396K)
18
Brave Private Web Browser
Brave Private Web Browser
Brave Private Web Browser
Adblock, Web Privacy, VPN
Free

Experience fast, safe, and private browsing with AI, AdBlock, and VPN features on this innovative browser loved by millions. Enjoy new features like AI assistant, secure crypto wallet, private search engine, playlist creation, and more for a seamless browsing experience.

🔧 Utilities
(74K)
19
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
AI Chatbot & Image Generator
Free

Experience personalized and intelligent conversations with Chatbot 4o AI Chat - Genie. ChatGPT-powered, it offers advanced AI capabilities for engaging and informative interactions. Start chatting now to unlock a world of tailored responses and assistance.

📊 Productivity
(197K)
20
Neumz - Gregorian Chant
Neumz - Gregorian Chant
Neumz - Gregorian Chant
Sacred music for the soul
Free
🎵 Music
(46)

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