Best Locked Diary Journal Apps

222+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

The best locked diary journal apps on iPhone average 4.5★ across 222+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Locked Diary Journal

My Diary - Journal with Lock#1

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

Journaling Diary with password
Editor's Choice
🌟 Lifestyle
4.6😊(4.6K ratings)
FreeAdsIn-App Purchases
My Diary - Journal with Lock screenshot 1
My Diary - Journal with Lock screenshot 2
My Diary - Journal with Lock screenshot 3
My Diary - Journal with Lock screenshot 4
My Diary - Journal with Lock screenshot 5
My Diary - Journal with Lock screenshot 6

"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
Diary With Password#2

Diary With Password by 帆 杨

No Ads Journal Diary Notebook
Strong Contender
📊 Productivity
4.7😊(26K ratings)
FreeIn-App Purchases
Diary With Password screenshot 1
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Diary With Password screenshot 4
Diary With Password screenshot 5
Diary With Password screenshot 6

Track life's progress, log daily thoughts, and protect your secrets with a password in this electronic diary app. Enjoy features like time stamps, reminders, night mode, and export options to PDF or text files. Organize entries with search and choose from different font sizes and types for a personalized journaling experience.

What We Love

  • 💻 Simple and easy to use
  • 🔒 Password protection
  • 📝 Customizable fonts and layout
  • ⏱️ Time stamp feature

Room to Improve

  • 🔍 Difficulty finding/accessing past entries
  • 🖼️ No image/media support
  • 🔄 Lack of syncing across devices
Notebook - Diary & Journal App#3

Notebook - Diary & Journal App by Koji Ito

A diary that flips like a book
Worth Considering
📊 Productivity
4.7😊(14K ratings)
FreeAdsIn-App Purchases
Notebook - Diary & Journal App screenshot 1
Notebook - Diary & Journal App screenshot 2
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Notebook - Diary & Journal App screenshot 4
Notebook - Diary & Journal App screenshot 5

A digital journaling app that lets you effortlessly record your thoughts, ideas, and experiences while also offering features like organization, customization, and easy sharing. Journal your life with ease and convenience.

What We Love

  • 👍 Simple and easy to use
  • 🔒 Password protection
  • 💡 Convenient for journaling and note-taking
  • 🚀 Smooth and responsive

Room to Improve

  • 🐛 Occasional crashes or glitches
  • 🚫 Unable to insert photos or attachments
  • 🚫 Limited formatting options

More Locked Diary Journal apps to explore

4
Journal X: My Diary with Lock
Journal X: My Diary with Lock
Journal X: My Diary with Lock
Personal Locked Journaling
Free

Create your own story with Journal X: My Diary with Lock! Personalize your locked journal with daily photos, stickers, and multiple journals. Stay organized, synced, and inspired with reminders. Start your journaling journey today!

🌟 Lifestyle
(1.8K)
5
Daybook: AI Journal & Diary
Daybook: AI Journal & Diary
Daybook: AI Journal & Diary
capture a lifetime of memories
Free

A passcode-protected personal diary and journal app for IOS that helps record activities, thoughts, and ideas throughout the day. It offers features like guided journaling for mood tracking, mental health management, gratitude journaling, and provides insights using a mood analyzer from your activity log. Start safeguarding memories and boosting wellness with Daybook!

💪 Health & Fitness
(835)
6
Secret Diary With Passcode
Secret Diary With Passcode
Secret Diary With Passcode
Secret diary
Free

"Express your innermost thoughts with this discreet and user-friendly secret diary app. Safely store your personal stories, feelings, and memories behind a secure passcode. Enjoy features like diary entries, mood selection, emoji support, and search functionality."

🌟 Lifestyle
(8.1K)
7
Journey - Diary, Journal
Journey - Diary, Journal
Journey - Diary, Journal
Daily Motivation & Journal
Free

Track your daily thoughts and experiences with a digital diary and journal app that provides daily motivation. Reflect on your journey and keep a record of your progress. Start journaling today!

🌟 Lifestyle
(5K)
8
My Super Secret Diary Notes
My Super Secret Diary Notes
My Super Secret Diary Notes
Lock the Private Dream Journal
Free

Capture your memories securely with a customizable diary app that allows you to lock your private notes, attach photos, and choose beautiful designs for your entries. Safeguard your thoughts with lock options and access your memories across devices. Download now to start documenting your life!

📊 Productivity
(1.9K)
9
Penzu
Penzu
Penzu
Secure Diary & Private Journal
Free

Capture your thoughts and memories securely with a private digital diary. Organize your entries, set reminders, and reflect on your experiences. Start journaling today for a personalized way to keep track of your life.

📊 Productivity
(2.5K)
10
Locked Diary & Journal - Emodi
Locked Diary & Journal - Emodi
Locked Diary & Journal - Emodi
Mood Tracker, Calendar, Agenda
Free

This secure daily journal combines personalization, functionality, and ease of use, allowing you to keep your entries private and easily accessible with features like face ID protection, photo integration, and interactive calendar. Download now and start your journey toward better self-reflection and daily mindfulness with a simple yet powerful journaling experience.

📊 Productivity
(6)
11
Diamond Diary Notes With Lock
Diamond Diary Notes With Lock
Diamond Diary Notes With Lock
Secret Journal with Password
Free

A secure and charming journaling app for saving memories and secrets, complete with lock features, emoticons, and photo attachments. Easily organize your life with this glittery daily planner, share your notes, and enjoy personalizing your entries with cute fonts and backgrounds. Try it now to start chronicling your special moments and thoughts discreetly!

📊 Productivity
(8.6K)
12
Confide - Video Journal
Confide - Video Journal
Confide - Video Journal
AI Journal and Mood Tracker
Free

Capture Your Story with Confide, a secure video journaling app for personal reflection and growth. Record your thoughts effortlessly, receive personalized feedback on your emotions, and track your journey. Start your emotional journaling today and enhance your self-awareness.

💪 Health & Fitness
(7.8K)
13
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)
14
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)
15
My Diary with password & lock
My Diary with password & lock
My Diary with password & lock
Daily notes & private Journal
Free

Track Your Thoughts and Emotions: Capture your daily experiences with a comprehensive journaling and mood tracking app. Organize entries, track moods, add photos, and prioritize privacy, all to enhance your self-reflection and personal growth. Start journaling today!

🌟 Lifestyle
(467)
16
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Private Gratitude Journaling
Free

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.

💪 Health & Fitness
(117K)
17
My Daily Diary ‎
My Daily Diary ‎
My Daily Diary ‎
Private Journal with lock
Free

Diary · is a daily journal app that allows users to document their thoughts, emotions, and daily activities. Users can write and organize entries, add photos, set reminders, and browse previous entries easily. Start journaling your life today with Diary · app!

🌟 Lifestyle
(1.1K)
18
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)
19
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)
20
My Diary : Diary With Lock
My Diary : Diary With Lock
My Diary : Diary With Lock
Journaling Diary with Password
Free

A secure and private daily journaling app with password protection and emotional tracking features. Record your daily moods, thoughts, and memories while keeping your data safe. Try it now to track your happiness and emotional well-being.

🌟 Lifestyle
(14)

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