Best Claude 3.5 Sonnet Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Out of 250+ claude 3.5 sonnet apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Claude 3.5 Sonnet Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Claude by AnthropicClaude by AnthropicFree4.7★ (217K)NoYesAug 2026
2Google GeminiGoogle GeminiFree4.7★ (2.1M)NoYesAug 2026
3ChatGPTChatGPTFree4.8★ (9.2M)YesYesAug 2026
4DeepSeek - AI AssistantDeepSeek - AI AssistantFree4.0★ (11K)NoNoAug 2026
5Grok AIGrok AIFree4.9★ (1.3M)NoYesAug 2026
6Perplexity - AI Search & ChatPerplexity - AI Search & ChatFree4.8★ (493K)NoYesAug 2026
7Sider: AI GPT Deep ChatSider: AI GPT Deep ChatFree4.7★ (4.3K)NoYesAug 2026
8Microsoft CopilotMicrosoft CopilotFree4.8★ (406K)YesYesAug 2026

Top Picks for Claude 3.5 Sonnet

Claude by Anthropic#1

Claude by Anthropic by Anthropic PBC

AI assistant for life and work
Editor's Choice
📊 Productivity
4.7😊(217K ratings)
FreeIn-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

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
Google Gemini#2

Google Gemini by Google

Your AI assistant from Google
Strong Contender
📊 Productivity
4.7😊(2.1M ratings)
FreeIn-App Purchases
#2in Productivity
Google Gemini screenshot 1
Google Gemini screenshot 2
Google Gemini screenshot 3
Google Gemini screenshot 4
Google Gemini screenshot 5
Google Gemini screenshot 6

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.

What We Love

  • 🚀 Intelligent and well-rounded AI
  • 👍 Smooth animations and helpful info
  • 🚀 Fast and efficient
  • 👍 Intuitive interface and easy to use

Room to Improve

  • 🐛 Contradicts itself and has limitations
  • 🐛 Struggles with certain questions and tasks
  • 🐛 Lacks personalization and context retention
ChatGPT#3

ChatGPT by OpenAI OpCo, LLC

Your everyday AI assistant
Worth Considering
📊 Productivity
4.8😊(9.2M 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

Room to Improve

  • 🐛 Occasional inaccuracies or inconsistencies in responses
  • 🔖 Limited to pre-2021 data, lacking real-time updates
  • 🔒 Concerns about privacy and data usage

More Claude 3.5 Sonnet apps to explore

4
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
5
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
6
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
(493K)
free with in-app purchases
7
Sider: AI GPT Deep Chat
Sider: AI GPT Deep Chat
Sider: AI GPT Deep Chat
Top AI Models All in One.
Free

This AI assistant offers access to multiple advanced language models for tasks like summarization, writing, image generation, and homework help. It also functions as a knowledge base, allowing users to chat with documents and websites, and engage with diverse AI characters.

Access to multiple top AI modelsSummarize documents and articlesGenerate creative images from text
📊 Productivity
(4.3K)
free with in-app purchases
8
Microsoft Copilot
Microsoft Copilot
Microsoft Copilot
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
(406K)
free with in-app purchases
9
Microsoft Edge
Microsoft Edge
Microsoft Edge
Start here, get it done here
Free

This AI-powered browser integrates a personal assistant to enhance productivity. It helps summarize content, answer questions, and create images using advanced AI models. Customize your browsing with extensions and enjoy enhanced privacy and security features.

AI-powered browsing with CopilotSummarize articles, videos, and PDFsGenerate images with AI
🔧 Utilities
(558K)
free with in-app purchases
10
Chat with AI - Chatbot
Chat with AI - Chatbot
Chat with AI - Chatbot
Powered by Claude 3 models
Free

Engage in advanced conversations with a powerful AI chatbot assistant. This app leverages cutting-edge Claude 3 AI technology for unparalleled text generation and streamlined communication. It also offers support for the Shortcuts app to simplify your scripts.

Conversational AIAdvanced text generationClaude 3 models
📊 Productivity
(654)
free with in-app purchases
11
Mobile for Claude Code
Mobile for Claude Code
Mobile for Claude Code
by salih berkay kokesmer
Free
🛠️ Developer Tools
(0)
12
/cards for Claude Code
/cards for Claude Code
/cards for Claude Code
Master every slash command
Free
🛠️ Developer Tools
(0)
13
Claude Code Notifier Companion
Claude Code Notifier Companion
Claude Code Notifier Companion
Never miss a prompt
Free

Stay productive with your AI coding sessions. Receive instant notifications on your phone when your AI needs attention and respond directly from your device. Keep your coding momentum going without being tied to your desk.

Instant push notifications for AI promptsRespond to AI from your phoneView active session dashboard
🛠️ Developer Tools
(7)
free with in-app purchases
14
Chat Unlimited & Ask Brutus AI
Chat Unlimited & Ask Brutus AI
Chat Unlimited & Ask Brutus AI
Chat using GPT-5, Grok, Claude
Free

Engage in intelligent conversations with an AI assistant powered by advanced language models and internet search. This app offers a free mode, stores past conversations, and assists with various tasks, learning, and creative endeavors. Enjoy a private and secure chat experience with a user-friendly interface.

AI Chat Bot AssistantOpenAI GPT-4 API integrationInternet Search capabilities
📚 Education
(1K)
free with in-app purchases
15
Unofficial Claude Code Client
Unofficial Claude Code Client
Unofficial Claude Code Client
Designed for Claude Code
Free
🛠️ Developer Tools
(0)
16
Claude Counter
Claude Counter
Claude Counter
Claude Session Tracker & Timer
Free
🛠️ Developer Tools
(0)
17
Certification Prep for Claude
Certification Prep for Claude
Certification Prep for Claude
Pass the Claude Certified exam
Free
📚 Education
(0)
18
Microsoft Bing Search
Microsoft Bing Search
Microsoft Bing Search
AI search & answer engine
Free

This app provides fast, AI-powered search results with curated answers and summaries. It helps users discover information more efficiently, explore topics deeper with suggested follow-ups, and create images from text. It also offers features like visual search, voice search, and rewards.

AI-powered search and curated answersImage creation from textVisual and voice search
📊 Productivity
(293K)
free with in-app purchases
19
Claude
Claude
Claude
by Jamie Pezone
Free
💪 Health & Fitness
(0)
20
Chataibot — AI Chat
Chataibot — AI Chat
Chataibot — AI Chat
Chat with GPT, Claude & more
Free

Engage in conversations with advanced AI models for instant answers, writing assistance, brainstorming, translation, and coding. Offers multiple AI choices with a focus on privacy and no sign-up required. Flexible pricing includes free messages, pay-per-use credits, or unlimited subscription access.

Multiple AI modelsAnonymous chatPay-per-use credits
📊 Productivity
(0)
free with in-app purchases

FAQ about Claude 3.5 Sonnet

What are the best claude 3.5 sonnet apps for iPhone?
Claude by Anthropic tops our claude 3.5 sonnet apps ranking as of July 2026, with a 4.7-star average from 217K App Store ratings, and it's free to download.
Yes — 20 of the top claude 3.5 sonnet apps we rank are free to download, including Claude by Anthropic and Google Gemini.
Claude by Anthropic has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 250+ claude 3.5 sonnet apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Claude is an AI assistant designed to help users with a variety of tasks including writing, research, coding, and problem-solving. It can refine text, debug code, analyze data, and even interpret visual content like images and PDFs.
Key features include AI writing assistance for polishing content, AI coding support for development tasks, research capabilities with web search and data insights, and visual analysis of uploaded files. It also offers voice dictation for hands-free interaction and can integrate with Google Drive, Gmail, and Calendar.