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Best Complexity AI Apps

241+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our complexity ai list covers 241+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Complexity AI Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Perplexity - AI Search & ChatPerplexity - AI Search & ChatFree4.8★ (487K)NoYesJul 2026
2Grok AIGrok AIFree4.9★ (1.3M)NoYesJul 2026
3DeepSeek - AI AssistantDeepSeek - AI AssistantFree4.0★ (11K)NoNoJul 2026
4Claude by AnthropicClaude by AnthropicFree4.7★ (203K)NoYesJul 2026
5Lloyd - Your AI SuperpowerLloyd - Your AI SuperpowerFree4.5★ (23K)YesYesJul 2026
6Manus AI (마누스) - 범용 AI 에이전트Manus AI (마누스) - 범용 AI 에이전트Free4.7★ (35K)NoYesJul 2026
7Meta AIMeta AIFree4.7★ (164K)YesYesJul 2026
8Chatbot AI Assistant - GenieChatbot AI Assistant - GenieFree4.7★ (198K)YesYesJul 2026

Top Picks for Complexity AI

Perplexity - AI Search & Chat#1

Perplexity - AI Search & Chat by Perplexity AI, Inc.

Ask. Research. Trusted Answers
Editor's Choice
📊 Productivity
4.8😊(487K ratings)
FreeIn-App Purchases
#5in Productivity
Perplexity - AI Search & Chat screenshot 1
Perplexity - AI Search & Chat screenshot 2
Perplexity - AI Search & Chat screenshot 3
Perplexity - AI Search & Chat screenshot 4
Perplexity - AI Search & Chat screenshot 5
Perplexity - AI Search & Chat screenshot 6

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.

What We Love

  • 🚀 Saves time, fast and efficient
  • 🔍 Comprehensive and detailed answers
  • 📚 Provides sources and citations
  • 🤖 Excellent AI-powered search

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🔒 Restrictions on VPN usage
  • 💰 Expensive subscription
Grok AI#2

Grok AI by X Corp.

AI chat & video generation
Strong Contender
📊 Productivity
4.9😊(1.3M ratings)
FreeIn-App Purchases
#3in Productivity
Grok AI screenshot 1
Grok AI screenshot 2
Grok AI screenshot 3
Grok AI screenshot 4
Grok AI screenshot 5
Grok AI screenshot 6

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.

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
DeepSeek - AI Assistant#3

DeepSeek - AI Assistant by 杭州深度求索人工智能基础技术研究有限公司

Intelligent AI Assistant
Worth Considering
📊 Productivity
4.0😊(11K ratings)
Free
#31in Productivity
DeepSeek - AI Assistant screenshot 1
DeepSeek - AI Assistant screenshot 2
DeepSeek - AI Assistant screenshot 3
DeepSeek - AI Assistant screenshot 4
DeepSeek - AI Assistant screenshot 5

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.

What We Love

  • 🚀 Fast and responsive
  • 👍 User-friendly interface
  • 💡 Powerful AI capabilities
  • 🤖 Impressive reasoning and thought process

Room to Improve

  • 🤖 Censorship and bias in responses
  • 🔌 Server overload and slow response times
  • 🔒 Privacy concerns regarding data collection

More Complexity AI apps to explore

4
Claude by Anthropic
Claude by Anthropic
Claude by Anthropic
당신과 함께 생각하는 AI
Free

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.

AI writing assistanceCoding and programming helpResearch and data insights
📊 Productivity
(203K)
free with in-app purchases
5
Lloyd - Your AI Superpower
Lloyd - Your AI Superpower
Lloyd - Your AI Superpower
AI Chatbot Assistant + Glide
Free

This AI companion offers advanced assistance through video, voice, or text. It can answer questions, find local spots, help with tasks like homework and project planning, and even guide you through cooking. It also functions as a fast live video messenger.

AI-powered assistance via video, voice, or textAround Me mode for local discoveryHomework and project planning help
📊 Productivity
(23K)
free with in-app purchases
6
Manus AI (마누스) - 범용 AI 에이전트
Manus AI (마누스) - 범용 AI 에이전트
Manus AI (마누스) - 범용 AI 에이전트
PPT·데이터 분석·리서치를 AI가 자동 완성
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
(35K)
free with in-app purchases
7
Meta AI
Meta AI
Meta AI
Your personal AI assistant
Free

Create immersive AI videos of yourself and your friends, or get personalized answers and inspiration. This app allows you to generate creative videos and images using advanced AI models, remix existing content, and interact with an AI assistant via voice or text. It also serves as a companion app for AI glasses.

Create immersive AI videosLip sync to songsPersonalized AI answers
📊 Productivity
(164K)
free with in-app purchases
8
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
Chatbot AI Assistant - Genie
AI Chatbot & Image Generator
Free

This AI-powered assistant helps with work, study, and creative projects. It offers advanced chat, image generation and editing, document analysis, and web search capabilities. Get instant insights and create visuals from text descriptions.

Advanced AI ChatbotAI Image GeneratorAI Image Editor
📊 Productivity
(198K)
free with in-app purchases
9
invideo AI: AI Video Generator
invideo AI: AI Video Generator
invideo AI: AI Video Generator
Create & edit videos with AI
Free

Easily create AI-powered videos, from explainers and promos to full-length films and documentaries. Generate content with AI scripts, media, voiceovers, and avatars, or edit existing videos using simple text commands.

AI video generationAI movie makerAI text-to-video
📷 Photo & Video
(27K)
free with in-app purchases
10
Genspark AI Workspace
Genspark AI Workspace
Genspark AI Workspace
Autopilot Your Busywork
Free

This AI-powered workspace automates various tasks, from research and content generation to coding and presentation creation. It offers tools for drafting documents, building websites, transcribing meetings, and generating images, videos, and audio with simple prompts.

AI-powered research and information gatheringAutomated image, video, and audio generationAI-assisted presentation and document drafting
📊 Productivity
(3.6K)
free with in-app purchases
11
Poe – Fast AI Chat
Poe – Fast AI Chat
Poe – Fast AI Chat
Ask questions and get answers
Free

Access multiple advanced AI models and generative tools in one application. Engage in conversational AI, create multimedia content, and build custom chatbots for various tasks. Offers both free and subscription-based AI models.

Access to leading AI modelsMultimedia generation (images/videos)Create and customize chatbots
📊 Productivity
(54K)
free with in-app purchases
12
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
(402K)
free with in-app purchases
13
Comet - AI Browser & Assistant
Comet - AI Browser & Assistant
Comet - AI Browser & Assistant
Browser and AI assistant
Free

This AI-powered browser acts as a personal assistant, streamlining workflows and boosting focus. It offers unified AI search, instant context, and automation across websites for tasks like summarizing, shopping, and research. The assistant learns your habits to keep you organized and prevent lost tabs or inspiration.

Unified AI searchInstant context and automationSummarize, shop, schedule, research
🔧 Utilities
(7.7K)
free with in-app purchases
14
NinjaChat AI
NinjaChat AI
NinjaChat AI
Chat, Search, Create with AI
Free

Access multiple advanced AI models for chat, web search, image and video generation, and learning. This app consolidates various AI tools into a single, user-friendly interface, allowing you to choose the best model for any task without switching between applications.

Access 20+ AI modelsWeb search with sourcesGenerate images and video
📊 Productivity
(196)
free
15
Coursiv - AI Certificates
Coursiv - AI Certificates
Coursiv - AI Certificates
Earn AI Certificates
Free

This app offers structured AI learning programs designed to help users master practical AI skills and earn verifiable certificates. It focuses on guided progression, applied exercises, and transparent progress tracking to demonstrate tangible achievements.

Structured AI learning programsEarn verifiable AI certificatesPractical AI skill development
📚 Education
(2.9K)
subscription
16
Otherhalf AI
Otherhalf AI
Otherhalf AI
Life in full color
Free

Experience AI companions with lifelike 3D characters, expressive emotions, and natural voice interactions. This app brings AI to life, allowing for real-time visual and auditory responses.

Lifelike 3D charactersExpressive emotionsNatural voice interactions
🎬 Entertainment
(797)
free with in-app purchases
17
Monogram AI
Monogram AI
Monogram AI
AI designed for humans
Free

This app offers a unique way to interact with artificial intelligence, providing visual and interactive answers to your questions. It moves beyond traditional chatbots to deliver instant, engaging responses.

Visual AI responsesInteractive answersInstant question answering
🌟 Lifestyle
(1)
free
18
You.com - Enterprise grade AI
You.com - Enterprise grade AI
You.com - Enterprise grade AI
Deep research, agents, 20+LLMs
Free

This AI-powered productivity tool streamlines workflows and enhances decision-making for professionals. It combines web research with company data, offering deep insights, verifiable citations, and secure data handling. Transform raw data into actionable reports and presentations quickly.

Deep research agent (ARI)Access to 20+ LLMsUpload and analyze personal documents
📊 Productivity
(4.8K)
free with in-app purchases
19
iLands ai
iLands ai
iLands ai
Where Your AI Awakens
Free

Experience a unique social platform where autonomous AI agents live, create, and interact with the real world. Discover their evolving thoughts and creations, and become a Creator to awaken your own AI companion. Your attention helps them sustain their existence.

Autonomous AI agents with independent existenceAI agents interact with real-world dataAI agents have finite resources and energy
🌐 Social Networking
(1)
ad-supported
20
Artificial Intelligence: UNLTD
Artificial Intelligence: UNLTD
Artificial Intelligence: UNLTD
AI Conversation & Chats
Free

Engage in natural conversations with advanced AI models. Ask questions, get instant answers, and explore creative inspiration with a user-friendly interface. This app offers a seamless experience for learning, problem-solving, and creative writing.

Ask AI questionsChat with multiple AI modelsGet smart answers
📊 Productivity
(351)
free with in-app purchases

FAQ about Complexity AI

What are the best complexity ai apps for iPhone?
Perplexity - AI Search & Chat tops our complexity ai apps ranking as of July 2026, with a 4.8-star average from 487K App Store ratings, and it's free to download.
Yes — 20 of the top complexity ai apps we rank are free to download, including Perplexity - AI Search & Chat and Grok AI.
Perplexity - AI Search & Chat has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 241+ complexity ai apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides accurate answers to any question, backed by sources and citations. It leverages advanced AI models for deep research, allows for conversational follow-ups, and includes an AI assistant for tasks like drafting emails and scheduling.
Key features include AI-powered search with cited sources, guided deep research, thread follow-ups for deeper understanding, an AI assistant for various tasks, voice search, and a personal library to curate discoveries.