Best My Diary Apps

228+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good my diary apps. We benchmark 228+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for My Diary

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
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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
Daily Journal: Diary with Lock#2

Daily Journal: Diary with Lock by AppManage LLC

Your Private Secret Journaling
Strong Contender
🌟 Lifestyle
4.8😊(5.3K ratings)
FreeAdsIn-App Purchases
Daily Journal: Diary with Lock screenshot 1
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Daily Journal: Diary with Lock screenshot 4
Daily Journal: Diary with Lock screenshot 5
Daily Journal: Diary with Lock screenshot 6

A secure digital diary app for private note-taking, journaling, and organizing thoughts with password protection features. Keep your daily memories safe and organized.

What We Love

  • 🔒 Secure with password and biometric lock
  • 📝 Allows easy journaling and expression of feelings
  • 🎨 Customizable themes and backgrounds
  • 📊 Mood tracking and insights

Room to Improve

  • 🔑 Limited free features, many premium options
  • 🖼️ Inability to use own photos as backgrounds
  • 🕰️ No reminders to write daily entries

More My Diary apps to explore

4
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)
5
My Diary With Lock
My Diary With Lock
My Diary With Lock
Daily Journal, Notes, Memo
Free

A personalized diary app with mood tracking and password protection. Safely store daily thoughts, memories, and emotions with customizable options and privacy features. Download now and start journaling!

🌟 Lifestyle
(1.1K)
6
Diary with Lock: Diary Journal
Diary with Lock: Diary Journal
Diary with Lock: Diary Journal
Daily Diary & Mood Tracker
Free

A private journaling app with lock feature to protect daily entries. Safely jot down thoughts and memories securely.

🌟 Lifestyle
(791)
7
Diary With Password
Diary With Password
Diary With Password
No Ads Journal Diary Notebook
Free

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.

📊 Productivity
(26K)
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
(10K)
9
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Looking for a sleek and smart calorie counter with a free barcode scanner and food tracker? MyNetDiary is the ultimate personal assistant for weight loss, dieting, and nutrition. Users love its intuitive design and effectiveness in reaching fitness goals. Try it out today!

💪 Health & Fitness
(155K)
10
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)
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
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Clue Period & Cycle Tracker
Ovulation & Fertility Calendar
Free

Track menstrual cycle, ovulation, symptoms, and fertility windows with this all-in-one period tracker. Stay informed about your reproductive health and get personalized insights to manage your menstrual health better. Download now to take charge of your cycle!

💪 Health & Fitness
(397K)
13
Diary with lock
Diary with lock
Diary with lock
Colorful Diary, Journal, Note
Free

Create your own personal journal with the "Diary with lock" app to record daily events, appointments, secrets, and feelings securely. This colorful diary offers features like password protection for privacy. Try it out now!

🌟 Lifestyle
(1.2K)
14
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)
15
My Diary - Daily Journal, Lock
My Diary - Daily Journal, Lock
My Diary - Daily Journal, Lock
Mood Tracker & Private Diary
Free

Track your daily thoughts, moods, and experiences with this secure journaling app. Safely store your entries, set reminders, and reflect on your personal growth. Start journaling today!

🌟 Lifestyle
(294)
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
Daily Journal App - My Diary
Daily Journal App - My Diary
Daily Journal App - My Diary
Mood Tracker, Daily Writing
Free

Start your soulful journey with a private diary app that acts as your trusted confidant, offering secure entry with patterns, PINs or fingerprint locks, memory preservation with photos, creativity tools with fonts and emojis, mood tracking, easy organization with tags, and customizable notifications. Privacy Policy: [link], Terms of Use: [link], Contact: support@leostudio.global.

🌟 Lifestyle
(13)
18
Period Tracker Period Calendar
Period Tracker Period Calendar
Period Tracker Period Calendar
Cycle Tracker & Ovulation
Free

Track your menstrual cycle, ovulation period, and fertility window with this intuitive application. Stay informed about your reproductive health and make informed decisions about your well-being. Download now to take control of your cycle.

💪 Health & Fitness
(2.3K)
19
My diary - Cute Notes Daily
My diary - Cute Notes Daily
My diary - Cute Notes Daily
journal with lock , planner
Free

A cute electronic diary app that offers a variety of free materials to help with self-discipline, recording emotions, and personal growth. Features include a cute virtual companion, easy operation, a material store with unique stickers and backgrounds, Apple Pencil support, and easy sharing with friends. Check it out and start journaling today!

🌟 Lifestyle
(1.2K)
20
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)

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