Best Thought Diary Pro Apps

223+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated April 2026

Day One is the household name in thought diary pro, but it's far from the only option. We track 223+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Top Picks for Thought Diary Pro

Day One: Daily Journal & Diary#1

Day One: Daily Journal & Diary by Bloom Built Inc

Private Gratitude Journaling
Editor's Choice
πŸ’ͺ Health & Fitness
4.8😊(117K ratings)
FreeAdsIn-App Purchases
#72in Health & Fitness
Day One: Daily Journal & Diary screenshot 1
Day One: Daily Journal & Diary screenshot 2
Day One: Daily Journal & Diary screenshot 3
Day One: Daily Journal & Diary screenshot 4
Day One: Daily Journal & Diary screenshot 5

Record your life with a private digital journal. Securely save text, photos, audio, and video. Features include reminders, prompts, and automatic data import to help you stay consistent and reminisce.

What We Love

  • πŸ’» Excellent journaling app
  • πŸ—“οΈ Ability to create multiple journals
  • 🎨 Customizable journal templates
  • πŸ” Powerful search and filtering

Room to Improve

  • πŸ”’ Subscription model for premium features
  • πŸ—“οΈ Issues with syncing and data loss
  • πŸ–ŒοΈ Limited customization options
Mood Tracker.#2

Mood Tracker. by Solitude Colors LLC

Daily Planner
Strong Contender
πŸ’ͺ Health & Fitness
4.3😊(2.4K ratings)
Free
Mood Tracker. screenshot 1
Mood Tracker. screenshot 2
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Mood Tracker. screenshot 4

This app helps you understand and manage your moods to improve your mental well-being. It offers tools to track daily emotions, identify triggers, and practice relaxation techniques like meditation and breathing exercises. The goal is to foster self-awareness and promote healthier lifestyle choices for a better life.

What We Love

  • πŸ‘ Easy to use
  • πŸ€— Helpful for mental health
  • πŸ’« Cute and aesthetically pleasing
  • πŸ†“ Free to use

Room to Improve

  • πŸ€– Frequent prompts to rate the app
  • πŸ€” Limited mood options
  • πŸ’€ Reminders don't always work as expected
Audio Diary: a smarter journal#3

Audio Diary: a smarter journal by Soliloquy Apps Limited

Journal as fast as thought
Worth Considering
🌟 Lifestyle
4.9😊(303 ratings)
FreeIn-App Purchases
Audio Diary: a smarter journal screenshot 1
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This AI-powered voice journal transforms spoken thoughts into organized, lasting insights. It offers secure, privacy-focused recording, intelligent organization, and personalized feedback to aid self-discovery and goal setting.

What We Love

  • πŸ‘ Easy to use
  • πŸ’‘ Helpful AI analysis and feedback
  • πŸš€ Consistent high-quality performance
  • πŸ‘ Seamless audio recording and transcription

Room to Improve

  • πŸ”’ Concerns about data security and privacy
  • πŸ’° Premium subscription may be too expensive for some
  • πŸ› Occasional technical issues or bugs

More Thought Diary Pro apps to explore

4
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Your Personal & Secure Diary
Free

Record daily activities, thoughts, and memories securely. Organize entries with tags, locations, and folders. Sync across devices and export your data easily. Features include mood tracking, photo attachments, and a calendar view.

Secure PIN and fingerprint lockCustomizable themes and 30+ languagesPowerful search and filtering
🌟 Lifestyle
(4.3K)
freemium
5
Journal Thought Diary: Jwappa
Journal Thought Diary: Jwappa
Journal Thought Diary: Jwappa
Journal, Notepad, Stoic, Cbt
Free
🌟 Lifestyle
(0)
6
My thoughts - Cute diary
My thoughts - Cute diary
My thoughts - Cute diary
Your daily thoughts
Free

Securely record your daily thoughts and memories with a simple, intuitive interface. Add photos and moods to entries, and benefit from automatic emotion recognition. Your diary syncs across devices via iCloud, ensuring your thoughts are always safe and accessible.

Pincode and biometric securityAdd photos to entriesAdd moods to entries
🌟 Lifestyle
(131)
free with in-app purchases
7
My Diary - Journal with Lock
My Diary - Journal with Lock
My Diary - Journal with Lock
Journaling Diary with password
Free

This app offers a secure and personalized digital journal for recording daily thoughts, memories, and emotions. Enhance entries with photos, themes, and mood tracking. It's designed to support mental well-being by providing a private space for self-reflection and emotional processing.

Password-protected diaryAdd photos and drawingsCustomizable themes and backgrounds
🌟 Lifestyle
(28K)
free with in-app purchases
8
Journey - Diary, Journal
Journey - Diary, Journal
Journey - Diary, Journal
Daily Motivation & Journal
Free

This app helps you capture memories, express yourself through writing, and track your emotions. It offers tools for creating rich journal entries, collaborative journaling, and secure storage. Enhance your experience with templates, plugins, and reminders for a more mindful and organized life.

Capture memories with photos, videos, and audioRich text editor with formatting optionsMood tracking and emotional fluctuation analysis
🌟 Lifestyle
(5K)
freemium
9
Mindsy - CBT Thought Diary
Mindsy - CBT Thought Diary
Mindsy - CBT Thought Diary
Self Care & Motivation Journal
Free

This app offers a guided approach to improving mental well-being through Cognitive Behavioral Therapy practices, a gratitude journal, and personalized affirmations. It helps manage stress and anxiety, cultivate positivity, and track your state of mind over time. It is not a substitute for professional medical advice.

Cognitive Behavioral Therapy practicesGratitude journalingPersonalized affirmations
πŸ’ͺ Health & Fitness
(1)
freemium
10
Quick Diary
Quick Diary
Quick Diary
by TopOfStack Software Limited
Free

This free application combines quick notes, sticky notes, and diary entries into a single, convenient tool. Easily save, edit, delete, search, and share your written thoughts and daily life moments.

Quick note takingSticky note functionalityDiary entries
πŸ“Š Productivity
(14)
free with in-app purchases
11
Clarity: CBT Self Help Journal
Clarity: CBT Self Help Journal
Clarity: CBT Self Help Journal
Mood Tracker, Therapy, ADHD
Free

This app helps manage stress, anxiety, and low mood through AI-infused journaling, mood tracking, and guided exercises. It offers tools to reframe negative thoughts, build resilience, and foster personal growth with science-backed techniques.

AI-infused journaling and chatbotMood, emotion, and activity trackingGuided journals for self-awareness
πŸ₯ Medical
(29K)
free with in-app purchases
12
Simple Daily Diary
Simple Daily Diary
Simple Daily Diary
Easiest way to journal
Free

Capture your everyday moments with a fast, easy, and beautifully designed journaling app. Add custom titles, personalize with themes, and easily find past entries with smart search. Sync across devices and enjoy local backups for peace of mind.

Add custom titles to entries20+ handpicked color themesSmart search by date or keywords
🌟 Lifestyle
(1.2K)
free with in-app purchases
13
Mind Care: Thought Diary
Mind Care: Thought Diary
Mind Care: Thought Diary
Guided Meditation, Self Relief
Free

This app helps you track your emotional state and build positive habits through guided journaling and meditation. Reflect on your experiences with personalized questions to gain insights and improve your well-being.

Guided journaling sessionsPersonalized reflection questionsDaily meditation journeys
πŸ’ͺ Health & Fitness
(13)
free with in-app purchases
14
CBT Thought Diary App
CBT Thought Diary App
CBT Thought Diary App
Journal Therapy for Self-Help
Free

This app helps you track and transform your thoughts and emotions using the ABC model of Cognitive Behavioral Therapy. Log your experiences, gain insights into patterns, and challenge negativity for improved mental well-being. Securely store your data and export progress for personal review or sharing with professionals.

ABC model thought loggingHistorical emotional insightsPDF progress export
πŸ’ͺ Health & Fitness
(11)
freemium
15
Mood Diary -  thought Journal
Mood Diary -  thought Journal
Mood Diary - thought Journal
by zihao zhang
$1.99

This app helps you monitor your emotional state over time. It provides a simple way to log your feelings and observe patterns in your mood.

Mood trackingThought journalingObserve mood patterns
πŸ’ͺ Health & Fitness
(2)
paid
16
Untold - Voice Journal
Untold - Voice Journal
Untold - Voice Journal
Secure, Personalized Journal
Free

This app provides a secure and private space for users to record their thoughts and experiences through voice. It utilizes AI-powered speech-to-text and generates personalized content based on journal entries, offering a unique way to reflect and understand oneself.

Encrypted voice journalingSpeech-to-text AIPersonalized content generation
πŸ’ͺ Health & Fitness
(2K)
free
17
My Daily Diary β€Ž
My Daily Diary β€Ž
My Daily Diary β€Ž
Private Journal with lock
Free

This app offers a private and flexible journaling experience. Track your mood, dreams, or experiences with customizable entries. Secure your thoughts with a built-in lock system for ultimate privacy.

Private journalingMood trackingCustomizable entries
🌟 Lifestyle
(1.1K)
free with in-app purchases
18
My Diary with password & lock
My Diary with password & lock
My Diary with password & lock
Daily notes & private Journal
Free

This app provides a private space to record thoughts, emotions, and activities. It features mood tracking, photo attachments, and customizable reminders to encourage self-reflection. Secure your entries with password or biometric protection and gain insights into your life patterns.

Write and organize diary entriesVisual mood trackerAdd photos and attachments
🌟 Lifestyle
(467)
free with in-app purchases
19
Simple Diary - Daily Journal
Simple Diary - Daily Journal
Simple Diary - Daily Journal
Journaling with lock, notebook
Free

This app provides a simple and convenient way to journal your thoughts and experiences. It allows you to add images, secure your entries with a passcode, and customize the app's appearance. Data backup and search functions ensure your memories are safe and easily accessible.

Insert images into entriesSecure passcode lock (Face ID/Touch ID)Customizable theme colors and app icon
🌟 Lifestyle
(906)
free with in-app purchases
20
My Daily Diary - Mood Journal
My Daily Diary - Mood Journal
My Daily Diary - Mood Journal
Mood Tracker & Daily Journal
Free

This app allows you to document your thoughts, feelings, and important moments. It offers extensive customization options, including stickers, voice notes, and images, to enhance your entries. Track your moods over time to gain emotional insights and ensure your private journal remains secure with password protection.

Capture thoughts and feelingsCustomize entries with stickers, voice notes, and imagesTrack moods with each journal entry
🌟 Lifestyle
(10K)
free with in-app purchases