Best Complexity Apps & Games

136+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated July 2026

From beginner-friendly picks to power-user tools, our complexity list covers 136+ iPhone apps and games updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Complexity Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Perplexity - AI Search & ChatPerplexity - AI Search & ChatFree4.8★ (487K)NoYesJul 2026
2Factory by ComplexityFactory by ComplexityFree5.0★ (7)NoNoJul 2026
3Grok AIGrok AIFree4.9★ (1.3M)NoYesJul 2026
4Claude by AnthropicClaude by AnthropicFree4.7★ (203K)NoYesJul 2026
5Computational ComplexityComputational ComplexityFree5.0★ (4)NoNoMay 2026
6Google GeminiGoogle GeminiFree4.7★ (2M)YesYesJul 2026
7NKS Explorer 2022NKS Explorer 2022Free4.0★ (3)NoNoMay 2026
8Try ComplexityTry ComplexityFree5.0★ (2)NoNoMay 2026

Top Picks for Complexity

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
Factory by Complexity#2

Factory by Complexity by Complexity LLC

The World's Commerce Network
Strong Contender
💼 Business
5.0(7 ratings)
Free
Factory by Complexity screenshot 1
Factory by Complexity screenshot 2
Factory by Complexity screenshot 3
Factory by Complexity screenshot 4
Factory by Complexity screenshot 5
Factory by Complexity screenshot 6

Connect with global manufacturers, suppliers, and service partners. Discover companies, explore their offerings, and communicate directly to find new business opportunities. Create a company profile to showcase your business and increase visibility.

Grok AI#3

Grok AI by X Corp.

AI chat & video generation
Worth Considering
📊 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

More Complexity 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
Computational Complexity
Computational Complexity
Computational Complexity
by Patrick Madden
Free

Explore fundamental concepts of computational complexity with interactive graphs and live sorting algorithm demonstrations. Developed by academics, this app offers a fun and educational way to visualize algorithmic growth and efficiency.

Interactive Big-O function graphsLive sorting algorithm demonstrationsVisualizes algorithmic growth
📚 Education
(4)
free
6
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
(2M)
free with in-app purchases
7
NKS Explorer 2022
NKS Explorer 2022
NKS Explorer 2022
by John Kiehl
Free

Explore the "New Kind of Science" with this app, inspired by Stephen Wolfram's work on complexity. Generate intricate patterns and gain insights into the universe's underlying principles. Discover and create your own unique scientific patterns.

Explore "New Kind of Science"Generate complex patternsGain insights into the universe
📚 Education
(3)
free
8
Try Complexity
Try Complexity
Try Complexity
Great drinks, better mornings.
Free

Explore a diverse range of non-alcoholic and THC-infused beverages. Discover new drinks through a comprehensive database, community reviews, and personalized recommendations. Share your favorites and stay updated on the latest trends and offers.

Beverage databaseCommunity reviewsPersonalized recommendations
🌟 Lifestyle
(2)
free
9
Complexity management
Complexity management
Complexity management
E-book for software developers
Free
📚 Books
(0)
10
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Chat Smith: AI Chatbot & Agent
Study, Writing, Research Agent
Free

This AI assistant offers advanced capabilities for writing, research, and image generation. It leverages multiple powerful AI models to provide deep insights, create content, and simplify tasks. Ideal for students, professionals, and creatives seeking enhanced productivity.

AI Image GeneratorAI Writing AssistantDeep Research with Sources
📊 Productivity
(167K)
free with in-app purchases
11
Complicated problem solving
Complicated problem solving
Complicated problem solving
productivity, self improvement
Free
📚 Education
(0)
12
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chat AI: Ask Agent Anything
Chatbot & Search Assistant
Free

Engage in personalized conversations with an AI that understands and adapts to you. Access specialized AI assistants for various tasks, generate unique images from text, and get instant information about the world through photos. This app also offers writing assistance, language learning, and homework help.

Personalized AI conversationsSpecialized AI assistantsAI image generation
📊 Productivity
(325K)
free with in-app purchases
13
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
14
Chat AI Plus
Chat AI Plus
Chat AI Plus
Powered by ChatGPT OpenAI Api
Free

This app offers advanced AI-powered chat capabilities, leveraging cutting-edge models for insightful responses. It assists with tasks like document analysis, image generation, and voice-to-text conversion, simplifying daily life and boosting productivity.

Advanced AI chat powered by GPT modelsAI-powered document analysis and summarizationAI image generation from text descriptions
📊 Productivity
(1.5K)
free with in-app purchases
15
OneSearch: Assistente e Busca
OneSearch: Assistente e Busca
OneSearch: Assistente e Busca
Chatbot de IA, Busca Avançada
Free

This AI-powered app acts as both a conversational assistant and a deep research tool. It helps users understand complex topics, answer questions, and conduct in-depth research by analyzing information from multiple sources and providing clear summaries. Additional features include math solving, image-based search, and voice chat.

AI Assistant ChatDeep Search AnalysisMath Problem Solving
📊 Productivity
(1.4K)
free with in-app purchases
16
Chat 5.0: AI Plus, Open Bot
Chat 5.0: AI Plus, Open Bot
Chat 5.0: AI Plus, Open Bot
ChatBot & Picture Generator
Free

This app offers specialized AI experts for various tasks, from image creation and translation to cooking and fitness advice. It provides a secure, personalized experience with data encrypted and stored locally. Access advanced features through premium subscriptions.

Specialized AI experts (cooking, fitness, travel, etc.)AI image creation from text promptsAdvanced translation capabilities
📊 Productivity
(94)
freemium
17
AI Chatbot - Ask AI Anything‎
AI Chatbot - Ask AI Anything‎
AI Chatbot - Ask AI Anything‎
Built on OpenAI ChatGPT & GPT5
Free

This app provides a sophisticated conversational experience by leveraging advanced language models like ChatGPT, Grok, and Claude. It understands natural language and generates human-like responses for a wide range of topics and tasks. Features include email automation, document generation, and visual analysis.

Conversational AI assistantEmail reply automationDocument content generation
📊 Productivity
(121)
free with in-app purchases
18
Nexal AI - AI Chat & Image
Nexal AI - AI Chat & Image
Nexal AI - AI Chat & Image
Ask, search, generate images
Free

This app integrates multiple advanced AI language models and image generation capabilities into a single interface. It offers smart news summaries, custom AI personas, and pre-made prompts to enhance productivity and creativity.

Multiple AI models (ChatGPT, Claude, Gemini)AI image generationSmart news summaries
📊 Productivity
(31)
free with in-app purchases
19
Clickmazes BoxUp
Clickmazes BoxUp
Clickmazes BoxUp
by Idle Complexities Ltd
Free

A logic puzzle game where players push a small red box into a large blue box. It offers over 100 challenges with unique mechanics, a scoring system, and the ability to review personal best solutions.

Push red box into blue boxOver 100 puzzle challengesTouch and drag movement
🎮 Games
(4)
free
20
yandex ai: chatbot & assistant
yandex ai: chatbot & assistant
yandex ai: chatbot & assistant
Smart search & art generator
Free

This app combines AI chat with advanced search to provide instant answers and solutions. Generate images, browse the web, and manage daily tasks with a single, intelligent assistant. It's designed to simplify your internet use and boost productivity.

AI-powered chat and searchText, voice, and image inputImage and video generation
📊 Productivity
(36)
ad-supported

FAQ about Complexity

What are the best complexity apps & games for iPhone?
Perplexity - AI Search & Chat tops our complexity apps & games 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 apps & games we rank are free to download, including Perplexity - AI Search & Chat and Factory by Complexity.
Perplexity - AI Search & Chat has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 136+ complexity apps & games 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.

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