Best Complexity AI Apps

248+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

From beginner-friendly picks to power-user tools, our complexity ai list covers 248+ iPhone apps updated through November 2026. Compare ratings, prices, and screenshots in one place.

Compare top Complexity AI Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Perplexity: AI Agent & SearchPerplexity: AI Agent & SearchFree4.8β˜… (523K)NoYesNov 2026
2Klok AIKlok AIFree2.1β˜… (7)YesNoOct 2026
3DeepSeek - AI AssistantDeepSeek - AI AssistantFree3.9β˜… (13K)NoNoNov 2026
4PeerOne AIPeerOne AIFreeβ€”NoYesOct 2026
5Lloyd - Your AI SuperpowerLloyd - Your AI SuperpowerFree4.5β˜… (24K)YesYesNov 2026
6Alice: AI assistantAlice: AI assistantFree4.8β˜… (3.1K)NoYesNov 2026
7Naiara AINaiara AIFree1.0β˜… (1)NoYesNov 2026
8Crompt AI - Multimodel ChatbotCrompt AI - Multimodel ChatbotFree3.0β˜… (1)NoYesSep 2026

Top Picks for Complexity AI

Perplexity: AI Agent & Search#1

Perplexity: AI Agent & Search by Perplexity AI, Inc.

AI Assistant. Chat. Research.
Editor's Choice
πŸ“Š Productivity
4.8😊(523K ratings)
FreeIn-App Purchases
#6in Productivity
Perplexity: AI Agent & Search screenshot 1
Perplexity: AI Agent & Search screenshot 2
Perplexity: AI Agent & Search screenshot 3
Perplexity: AI Agent & Search screenshot 4
Perplexity: AI Agent & Search screenshot 5
Perplexity: AI Agent & Search screenshot 6

Get accurate, source-backed answers to any question with this AI-powered search and research tool. It leverages advanced AI models for deep exploration, drafting emails, and more, syncing seamlessly across your devices.

What We Love

  • πŸš€ Saves time, fast and efficient
  • πŸ” Comprehensive and detailed answers
  • πŸ“š Provides sources and citations
  • πŸ€– Excellent AI-powered search
  • 🧠 Helpful for research and learning
  • πŸ”’ Accurate mathematical and technical information
  • 🀝 Personalized and contextual responses

Room to Improve

  • πŸ› Occasional bugs and glitches
  • πŸ”’ Restrictions on VPN usage
  • πŸ’° Expensive subscription
  • πŸ€– Inconsistent or biased responses
  • πŸ–₯️ Subpar mobile app experience compared to web version
2.1(7 ratings)
FreeAds
Klok AI screenshot 1
Klok AI screenshot 2
Klok AI screenshot 3
Klok AI screenshot 4

Access multiple AI models optimized for various tasks through a single, intuitive interface. This app remembers your preferences and adapts to your style, offering specialized AIs for speed, creativity, complex problem-solving, and data analysis. Widgets provide quick access to your favorite tools, enhancing productivity and creativity.

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 fast, powerful responses powered by a leading language model. It helps users solve problems and improve efficiency with intelligent interactions, all for free.

What We Love

  • πŸš€ Fast and responsive
  • πŸ‘ User-friendly interface
  • πŸ’‘ Powerful AI capabilities
  • πŸ€– Impressive reasoning and thought process
  • πŸ’° Free and open-source

Room to Improve

  • πŸ€– Censorship and bias in responses
  • πŸ”Œ Server overload and slow response times
  • πŸ”’ Privacy concerns regarding data collection
  • πŸ› Occasional bugs and crashes

More Complexity AI apps to explore

FAQ about Complexity AI

What are the best complexity ai apps for iPhone?
Perplexity: AI Agent & Search tops our complexity ai apps ranking as of November 2026, with a 4.8-star average from 523K App Store ratings, and it's free to download.
Yes β€” 20 of the top complexity ai apps we rank are free to download, including Perplexity: AI Agent & Search and Klok AI.
Perplexity: AI Agent & Search has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ complexity ai apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.