Best Thought Diary Journal Apps

227+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Day One is the household name in thought diary journal, but it's far from the only option. We track 227+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Thought Diary Journal

Day One: Daily Journal & Diary#1

Day One: Daily Journal & Diary by Bloom Built Inc

Private Gratitude Journaling
Editor's Choice
💪 Health & Fitness
4.7😊(2.8K ratings)
FreeAdsIn-App Purchases
#95in Health & Fitness
Day One: Daily Journal & Diary screenshot 1
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Day One: Daily Journal & Diary screenshot 4
Day One: Daily Journal & Diary screenshot 5

A highly acclaimed journaling app that offers a completely private digital space with secure features to record life moments through text, photos, and more. With a decade of updates, it boasts an intuitive design, unlimited entries, and robust privacy measures like end-to-end encryption and secure backups. Start forming a journaling habit effortlessly with this award-winning application.

What We Love

  • 💻 Excellent journaling app
  • 🗓️ Ability to create multiple journals
  • 🎨 Customizable journal templates
  • 🔍 Powerful search and filtering

Room to Improve

  • 🔒 Subscription model for premium features
  • 🗓️ Issues with syncing and data loss
  • 🖌️ Limited customization options
Untold - Voice Journal#2

Untold - Voice Journal by Thoughts ACC, Inc.

Secure, Personalized Journal
Strong Contender
💪 Health & Fitness
4.9😊(1.9K ratings)
FreeIn-App Purchases
Untold - Voice Journal screenshot 1
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Create your personalized story with Untold, a secure voice journaling app where you are the main character. Start now and share your unfolding story in an encrypted space all to yourself.

What We Love

  • 🚀 Excellent voice transcription accuracy
  • 🤖 Insightful AI-generated prompts and analysis
  • 👍 Intuitive and user-friendly interface
  • 💡 Innovative use of AI for journaling and self-reflection

Room to Improve

  • 🐛 Occasional issues with audio transcription and processing
  • 🤔 Some users find the AI-generated responses and insights confusing or overwhelming
  • 🔒 Concerns about data privacy and security
My Diary - Journal with Lock#3

My Diary - Journal with Lock by BetterApp Tech Co., Limited

Journaling Diary with password
Worth Considering
🌟 Lifestyle
4.7😊(27K ratings)
FreeAdsIn-App Purchases
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"My Diary - Journal with Lock" is a free online diary with lock that lets you record daily journals, thoughts, mood trackers, and private moments with customizable features like themes, moods, and password protection. Journal for mental health benefits and gain control of your emotions in a personalized writing experience. Start journaling now for improved well-being!

What We Love

  • 🔒 Secure with password, fingerprint, and security question options
  • 📝 Easy to write and express thoughts
  • 🎨 Customizable with themes, stickers, and photos
  • 🗓️ Helpful for tracking moods and daily activities

Room to Improve

  • 💰 Many features locked behind premium paywall
  • 🔍 Limited free theme and sticker options
  • 🐛 Issues with formatting, text editing, and photo placement

More Thought Diary Journal apps to explore

4
CBT Thought Diary App
CBT Thought Diary App
CBT Thought Diary App
Journal Therapy for Self-Help
Free

Track and transform your thoughts with a journal therapy app using Cognitive Behavioral Therapy methods. Record thoughts easily, gain insights, and promote positive thinking for improved mental health. Embark on your journey to better well-being today!

💪 Health & Fitness
(11)
5
Clarity: CBT Self Help Journal
Clarity: CBT Self Help Journal
Clarity: CBT Self Help Journal
Mood Tracker, Therapy, ADHD
Free

Clarity is an all-in-one mental health app offering CBT-based tools to manage stress, anxiety, and low mood. It helps reframe negative thoughts, tracks mood, and provides AI-powered therapy support for personal growth. Start your journey to improved mental well-being today!

🏥 Medical
(29K)
6
My Wonderful Days Journal
My Wonderful Days Journal
My Wonderful Days Journal
Private Daily Journal / Diary
Free

Capture your daily moments effortlessly with a private journaling app featuring intuitive design, secure passcode protection, multimedia support, text formatting, personalized statistics, and more. Embrace each day with My Wonderful Days.

🌟 Lifestyle
(7.2K)
7
Secret Diary with Lock - Muse
Secret Diary with Lock - Muse
Secret Diary with Lock - Muse
Journal, Mood, Audio, Video
Free

"Muse Journal is a private diary app that allows you to document life's moments with clarity and style. Safeguarded with secure access options, you can personalize journals with multimedia entries, seamlessly sync across devices, and enjoy a beautiful, intuitive interface designed for capturing memories effortlessly."

🌟 Lifestyle
(535)
8
My Daily Diary - Mood Journal
My Daily Diary - Mood Journal
My Daily Diary - Mood Journal
Mood Tracker & Daily Journal
Free

Track your daily mood, thoughts, and activities with this convenient journaling app. Reflect on your emotions and track patterns to improve your well-being. Start journaling today for a healthier mind!

🌟 Lifestyle
(9.2K)
9
5 Minute Journal・Daily Diary
5 Minute Journal・Daily Diary
5 Minute Journal・Daily Diary
Gratitude・Journal・Mood Tracker
Free

Boost your well-being with a daily self-care journal that encourages gratitude and reflection in just 5 minutes a day. Cultivate a positive mindset and prioritize self-care with this simple and effective tool. Start your journey to a happier, more mindful life today!

💪 Health & Fitness
(17K)
10
Rosebud: AI Journal & Diary
Rosebud: AI Journal & Diary
Rosebud: AI Journal & Diary
Daily Self-Care & Habits
Free

Create a personalized AI journal that helps users reflect on their day, set goals, track habits, and improve productivity. Start journaling with Rosebud to enhance self-awareness and achieve personal growth.

💪 Health & Fitness
(3K)
11
Quick Diary
Quick Diary
Quick Diary
by TopOfStack Software Limited
Free

Easily jot down notes, ideas, and diary entries with this free application. Access your writings anytime, quickly search for specific notes, and share them effortlessly. Visit the support URL for more information on how to use this app.

📊 Productivity
(14)
12
Digital Journal Diary
Digital Journal Diary
Digital Journal Diary
Private Journal - Photo,Video
Free

Get organized and record your thoughts efficiently with this AI-powered digital daily journal. Write privately, organize entries, set reminders, and reflect on your personal journey. Download now to start journaling effectively.

💪 Health & Fitness
(6.5K)
13
Perspective, a mindful journal
Perspective, a mindful journal
Perspective, a mindful journal
Daily reflection, mood tracker
Free
💪 Health & Fitness
(1.6K)
14
Glimpse - Voice Journal
Glimpse - Voice Journal
Glimpse - Voice Journal
A journal that writes back
Free

Start your journaling journey with effortless voice recording and AI-powered summaries, personalized insights, and customizable themes to help you reflect, discover, and grow. Download now and make journaling a seamless part of your daily routine.

🌟 Lifestyle
(299)
15
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Your Personal & Secure Diary
Free

Keep track of your daily thoughts, feelings, and experiences with ease using our versatile diary, journal, and note-taking app. Organize your entries, add photos, and access your private thoughts securely anytime, anywhere. Start capturing your life's moments today!

🌟 Lifestyle
(4.3K)
16
Diary - Journal with password
Diary - Journal with password
Diary - Journal with password
Beautiful diary with password
Free

A beautiful and secure diary app to safeguard your thoughts with a personal password. Capture your intimate moments, future plans, and thoughts without fear, and benefit from user-friendly features tailored just for you. Start journaling today!

🌟 Lifestyle
(1.6K)
17
Purple Diary: Journal & Lock
Purple Diary: Journal & Lock
Purple Diary: Journal & Lock
Daily Mood Tracker & Planner
Free
🌟 Lifestyle
(61)
18
Momento: Private Journal Diary
Momento: Private Journal Diary
Momento: Private Journal Diary
Easily capture life's memories
Free

Capture, organize, and share life's memories effortlessly with this smart private diary app. Easily write notes, add photos, import digital history, and explore moments in a beautiful journal format. Start preserving your story today!

🌟 Lifestyle
(870)
19
LazyDiary-Daily Diary Journal
LazyDiary-Daily Diary Journal
LazyDiary-Daily Diary Journal
A diary you can keep.
Free

This diary app helps you build a daily journaling habit with a simple and easy-to-use interface, allowing you to record your thoughts and events in a note-like format. With features like automatic schedule display, daily notifications, and a secure design, you can effortlessly keep a diary every day and reflect on your experiences.

🌟 Lifestyle
(8)
20
Card Diary - Journal, Diary
Card Diary - Journal, Diary
Card Diary - Journal, Diary
Simple Journal & Daily Journal
Free

Keep track of your daily thoughts and experiences with ease using this simple journal app. Organize your entries, add photos, and reflect on your memories anytime, anywhere. Start journaling today!

🌟 Lifestyle
(1.3K)