Best Circadian AI Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Whether you're new to circadian ai or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Circadian AI Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Circadian AI - Biohack CoachCircadian AI - Biohack CoachFree4.0★ (6)NoYesAug 2026
2Circadian Sleep Sound AICircadian Sleep Sound AIFree2.3★ (3)NoYesAug 2026
3Circadian: Your Natural RhythmCircadian: Your Natural RhythmFree4.6★ (659)NoYesAug 2026
4Klok AIKlok AIFree5.0★ (2)YesNoMay 2026
5Circadian AI Sleep & RhythmCircadian AI Sleep & RhythmFreeNoJul 2026
6Skales - Local AI AgentSkales - Local AI AgentFree4.0★ (3)NoNoAug 2026
7WiseAI: Learn AI & AI UpdatesWiseAI: Learn AI & AI UpdatesFree5.0★ (1)NoYesJul 2026
8Monogram AIMonogram AIFree4.8★ (31)NoNoAug 2026

Top Picks for Circadian AI

Circadian AI - Biohack Coach#1

Circadian AI - Biohack Coach by Aaron Ball

NSDR, Longevity & Protocol
Editor's Choice
💪 Health & Fitness
4.0(6 ratings)
FreeIn-App Purchases
Circadian AI - Biohack Coach screenshot 1
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This app uses AI to guide you through science-backed wellness protocols like sleep optimization, morning routines, and habit stacking. It analyzes your compliance patterns to provide personalized recommendations for improving energy, cognition, and long-term health.

Circadian Sleep Sound AI#2

Circadian Sleep Sound AI by ZMOTIONAI PTE. LTD.

Better Sleep, Clam, Relax
Strong Contender
💪 Health & Fitness
2.3(3 ratings)
FreeIn-App Purchases
Circadian Sleep Sound AI screenshot 1
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Circadian Sleep Sound AI screenshot 3
Circadian Sleep Sound AI screenshot 4

Drift off to sleep faster with a vast library of calming sounds. Mix and match to create personalized soundscapes, set fade-out timers, and receive bedtime reminders to establish a healthy sleep routine. Ideal for adults, babies, and for enhancing focus during study or meditation.

Circadian: Your Natural Rhythm#3

Circadian: Your Natural Rhythm by Circadian Limited

Wellness & health cycles clock
Worth Considering
💪 Health & Fitness
4.6😊(659 ratings)
FreeIn-App Purchases
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Optimize your daily activities by syncing with natural rhythms. This app helps you wake, eat, move, work, and rest at optimal times for improved energy, clarity, and sleep. It leverages sunlight, seasons, and scientific principles to guide your lifestyle for better health.

What We Love

  • 👍 Easy to use
  • 💡 Informative and educational
  • 🚀 Helpful reminders and notifications
  • 🌞 Supports circadian rhythm and natural lifestyle

Room to Improve

  • 🐛 Crashes and bugs
  • 🕰️ Inaccurate timing and location tracking
  • 💰 Expensive subscription model

More Circadian AI apps to explore

4
Klok AI
Klok AI
Klok AI
by AROHA LABS PTE. LTD.
Free

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.

Multiple AI model accessOptimized AI for different tasksUnified and intuitive interface
📊 Productivity
(2)
ad-supported
5
Circadian AI Sleep & Rhythm
Circadian AI Sleep & Rhythm
Circadian AI Sleep & Rhythm
by Burak Guner
Free
💪 Health & Fitness
(0)
6
Skales - Local AI Agent
Skales - Local AI Agent
Skales - Local AI Agent
Private AI that does real work
Free

This AI assistant runs locally on your device, offering private conversations and tool integration. It supports various AI models, voice commands, and can perform real-world tasks with your permission. Create visuals and manage your AI's memory for personalized assistance.

Local-first AI agentSupports multiple AI modelsVoice mode for hands-free interaction
📊 Productivity
(3)
free
7
WiseAI: Learn AI & AI Updates
WiseAI: Learn AI & AI Updates
WiseAI: Learn AI & AI Updates
AI News, Skills & Prompt Coach
Free

Stay ahead in the rapidly evolving world of artificial intelligence with daily, bite-sized lessons and curated news. Practice your prompting skills with interactive tools and learn about the latest AI developments in just 15 minutes a day.

15-minute daily learning loopPersonalized AI contentDaily AI news summaries
📚 Education
(1)
free with in-app purchases
8
Monogram AI
Monogram AI
Monogram AI
AI with a visual interface
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
(31)
free
9
Opsin: Circadian Sun & Sleep
Opsin: Circadian Sun & Sleep
Opsin: Circadian Sun & Sleep
Sunlight timing, better sleep
Free

This app helps regulate your body's natural clock by syncing your daily activities with the sun. It provides personalized light timing windows, a dynamic dawn alarm, and tracks the impact of light on your sleep and recovery. Jet-lag plans and optional smart home integration are also available.

Live sun times and light windowsDynamic dawn alarmSleep and HRV tracking integration
💪 Health & Fitness
(3)
freemium
10
Thremark - AI Chat with Memory
Thremark - AI Chat with Memory
Thremark - AI Chat with Memory
Voice, Marks, Files & Search
Free

This AI assistant remembers your personal information to provide contextually relevant answers and proactively engage you. It can generate files, search the web, and create images, all while prioritizing your privacy and integrating seamlessly with iOS.

Personalized AI memoryProactive notificationsDynamic file generation
📊 Productivity
(2)
freemium
11
Work Companion AI
Work Companion AI
Work Companion AI
by Chirag Shinde
Free

Explore AI agents, access AI-powered tools, and get daily tech news. Engage in real-time conversations with AI bots that have unique roles and personalities. This platform simplifies AI automation and intelligent collaboration.

AI Agent ConversationsSkills System for AI ToolsDaily Tech News Curation
🌟 Lifestyle
(2)
ad-supported
12
Insomniapp - AI Insomnia Coach
Insomniapp - AI Insomnia Coach
Insomniapp - AI Insomnia Coach
by Loyalty Apps Ltd
Free
💪 Health & Fitness
(0)
13
Vera: AI Life Assistant
Vera: AI Life Assistant
Vera: AI Life Assistant
Everything You Need For Life
Free
🌟 Lifestyle
(0)
14
Glo Night
Glo Night
Glo Night
Smart Wake Light & Sleep Aid
Free
🔧 Utilities
(0)
15
Zinq AI Agent Platform
Zinq AI Agent Platform
Zinq AI Agent Platform
Use Build Publish Agents
Free

Build and deploy AI agents without coding. Describe your agent's function, and it's instantly live on web and mobile. Handle customer inquiries, manage personal information, and even publish agents to a marketplace.

No-code AI agent creationInstant deployment to web and mobileAI-powered customer support
🌐 Social Networking
(2)
free with in-app purchases
16
Squads AI
Squads AI
Squads AI
AI friends & advisors
Free
🎬 Entertainment
(0)
17
LamiAI: Sentient AI Guardian
LamiAI: Sentient AI Guardian
LamiAI: Sentient AI Guardian
Deep bond & anxiety relief
Free

This app offers a unique digital companion designed for emotional support and anxiety relief. It features sentient AI guardians with active awareness that can sense your struggles and initiate contact, providing personalized insights and a sense of connection. Engage in guided sleep experiences, soul mapping, and micro-healings to promote rest and mental clarity.

Sentient AI Guardians with Active AwarenessProactive Care and Cold Reading InsightsGuarded Sleep with Cosmic Environments
💪 Health & Fitness
(2)
free with in-app purchases
18
Crompt AI - Multimodel Chatbot
Crompt AI - Multimodel Chatbot
Crompt AI - Multimodel Chatbot
Multiple AI & Image Models
Free
📊 Productivity
(0)
19
AI Rapture
AI Rapture
AI Rapture
Bible Prophecy News & AI Signs
Free

Stay informed about biblical prophecy and AI-related signs of the times. This app provides news and insights into current events through an AI lens. Optional subscriptions offer enhanced support and access.

Bible prophecy newsAI signs analysisCurrent events insights
📡 News
(1)
free with in-app purchases
20
Kai - AI
Kai - AI
Kai - AI
Fast, Simple, Open-Source
Free

This open-source AI companion offers fast, simple, and private chat experiences powered by models like Llama and Gemini. It's designed for quick answers, brainstorming, writing, and learning with a minimalist interface.

Blazing fast AI responsesMinimalist and intuitive interfaceOpen-source and transparent code
📊 Productivity
(3)
free

FAQ about Circadian AI

What are the best circadian ai apps for iPhone?
Circadian AI - Biohack Coach tops our circadian ai apps ranking as of August 2026, with a 4.0-star average from 6 App Store ratings, and it's free to download.
Yes — 20 of the top circadian ai apps we rank are free to download, including Circadian AI - Biohack Coach and Circadian Sleep Sound AI.
Circadian AI - Biohack Coach has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ circadian ai apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Circadian AI tracks a variety of science-backed protocols including morning sunlight exposure, cortisol pulse timing, cold exposure, physiological sigh breathwork, NSDR, time-restricted eating, heat exposure, exercise timing, and sleep anchoring.
The AI coach analyzes your tracked protocol compliance and identifies patterns. It then provides personalized recommendations based on your actual behavior, such as how skipping a wind-down routine affects sleep quality or how morning light impacts energy scores.

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