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Best Free Diary Lock Apps

247+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Looking for free free diary lock apps? 20 of our 247+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Diary Lock Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1My Diary With LockMy Diary With LockFree4.7★ (1.6K)NoYesAug 2026
2My Diary - Journal with LockMy Diary - Journal with LockFree4.7★ (28K)YesYesAug 2026
3Secret Diary with Lock - MuseSecret Diary with Lock - MuseFree4.7★ (692)YesYesAug 2026
4Diary With PasswordDiary With PasswordFree4.7★ (27K)NoYesAug 2026
5Diamond Diary Notes With LockDiamond Diary Notes With LockFree4.4★ (8.6K)YesYesAug 2026
6Daily Journal: Diary with LockDaily Journal: Diary with LockFree4.8★ (5.5K)YesYesAug 2026
7My Diary : Diary With LockMy Diary : Diary With LockFree4.3★ (43)YesYesAug 2026
8Diary - Private Note With LockDiary - Private Note With LockFree4.5★ (895)YesYesAug 2026

Top Picks for Free Diary Lock

My Diary With Lock#1

My Diary With Lock by MEETFIRE LIMITED

Daily Journal, Notes, Memo
Editor's Choice
🌟 Lifestyle
4.7😊(1.6K ratings)
FreeIn-App Purchases
My Diary With Lock screenshot 1
My Diary With Lock screenshot 2
My Diary With Lock screenshot 3
My Diary With Lock screenshot 4
My Diary With Lock screenshot 5

This app provides a secure and private space to record daily thoughts, moods, and memories. It offers password protection, mood tracking with emotion icons, and a calendar view to revisit past entries. Customize your journal with various artistic styles.

What We Love

  • 👍 Cute and aesthetically pleasing design
  • 🔒 Secure with password protection
  • 💡 Ability to customize fonts and backgrounds
  • 🚀 Fast and easy to use

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 💡 Limited selection of journal cover options
  • 🐛 Font settings not always retained
My Diary - Journal with Lock#2

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

Journaling Diary with password
Strong Contender
🌟 Lifestyle
4.7😊(28K 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

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.

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
Secret Diary with Lock - Muse#3

Secret Diary with Lock - Muse by Bogdan Filippov

Journal, Mood, Audio, Video
Worth Considering
🌟 Lifestyle
4.7😊(692 ratings)
FreeAdsIn-App Purchases
Secret Diary with Lock - Muse screenshot 1
Secret Diary with Lock - Muse screenshot 2
Secret Diary with Lock - Muse screenshot 3
Secret Diary with Lock - Muse screenshot 4
Secret Diary with Lock - Muse screenshot 5
Secret Diary with Lock - Muse screenshot 6

This app allows you to capture and preserve life's moments with rich detail. Protect your thoughts with biometric or passcode locks, personalize your entries with various media, and sync across devices. It's designed to make journaling an enjoyable and secure experience.

What We Love

  • 🔒 Secure with password/fingerprint lock
  • 👍 Simple and easy to use interface
  • 📸 Ability to add photos to entries
  • 🩷 Customizable appearance (colors, icons)

Room to Improve

  • 🐛 Issues with text editing and cursor jumping
  • 💤 Occasional app freezes and crashes
  • 📢 Intrusive ads and paywalls

More Free Diary Lock apps to explore

4
Diary With Password
Diary With Password
Diary With Password
No Ads Journal Diary Notebook
Free

This app provides a private digital space to record daily thoughts, emotions, and life events. It offers robust security features like password and biometric locks, alongside tools for organizing, searching, and exporting your entries. Enjoy a customizable and ad-free journaling experience.

Password and biometric securityDaily entry loggingFull text search
📊 Productivity
(27K)
free with in-app purchases
5
Diamond Diary Notes With Lock
Diamond Diary Notes With Lock
Diamond Diary Notes With Lock
Secret Journal with Password
Free

Securely record your thoughts, memories, and ideas in a private digital journal. Personalize entries with photos, emoticons, and custom fonts. Protect your secrets with password, pattern, or biometric locks.

Password/Biometric LockAdd Photos & EmoticonsCustomizable Fonts & Backgrounds
📊 Productivity
(8.6K)
free with in-app purchases
6
Daily Journal: Diary with Lock
Daily Journal: Diary with Lock
Daily Journal: Diary with Lock
Your Private Secret Journaling
Free

This app serves as a private digital journal to record daily experiences, emotions, and memories. Secure your entries with password, fingerprint, or face ID, and enhance them with photos. Track your moods and use built-in reminders to cultivate a consistent journaling habit.

Password, fingerprint, and face ID securityAdd photos to journal entriesMood and emotion tracking
🌟 Lifestyle
(5.5K)
free with in-app purchases
7
My Diary : Diary With Lock
My Diary : Diary With Lock
My Diary : Diary With Lock
Journaling Diary with Password
Free

Safely store your thoughts, memories, and daily moments in a private, password-protected journal. Personalize your entries with photos, voice notes, and custom backgrounds. Track your mood over time to gain self-understanding and promote mental well-being.

Password, fingerprint, and face ID protectionAdd photos, audio clips, and sketchesCustomizable backgrounds, stickers, and fonts
🌟 Lifestyle
(43)
free with in-app purchases
8
Diary - Private Note With Lock
Diary - Private Note With Lock
Diary - Private Note With Lock
Journal,Diary,Moods
Free

This app offers a private digital notebook for journaling, with customizable interfaces and dynamic effects. Secure your entries with a password and receive daily reminders to write. Add photos, text, and choose from various fonts and background stationery colors to make your entries vibrant.

Dynamic interface themesTimeline viewCustomizable stationery colors
🌟 Lifestyle
(895)
free with in-app purchases
9
Secret Diary With Lock
Secret Diary With Lock
Secret Diary With Lock
Secret Journal With Password
Free

Keep your thoughts, feelings, and memories private with a secure digital journal. This app offers customizable locks, daily reminders, and the ability to add photos and emojis to your entries, ensuring your personal information stays protected.

Password protection (PIN, pattern, safe)Unlimited daily entriesAdd photos and mood emojis
🌟 Lifestyle
(736)
free with in-app purchases
10
Diary with lock
Diary with lock
Diary with lock
Colorful Diary, Journal, Note
Free

Create a secure personal journal to record daily events, thoughts, and secrets. Protect your entries with a password or PIN code and customize the look with different colors and fonts. This app offers a simple, fast, and user-friendly way to document your life.

Password & PIN code protectionCustomizable background colorsChangeable font styles
🌟 Lifestyle
(1.2K)
free with in-app purchases
11
Secret Diary With Passcode
Secret Diary With Passcode
Secret Diary With Passcode
Secret diary
Free

This app provides a secure and user-friendly platform to record your daily life, emotions, and secrets. It offers features like password protection, mood selection, and photo attachments to help you preserve your memories privately.

Password protectionAdd photos to entriesSelect moods for entries
🌟 Lifestyle
(8.1K)
free with in-app purchases
12
Diary with Lock: Diary Journal
Diary with Lock: Diary Journal
Diary with Lock: Diary Journal
Daily Diary & Mood Tracker
Free

Securely record daily thoughts, feelings, and memories with a customizable, password-protected digital journal. Enhance entries with photos, audio, and a mood tracker to understand your emotional journey. Offers prompts and themes for inspiration and organization.

Password and Face ID protectionMultimedia entries (photos, audio)Mood tracking calendar
🌟 Lifestyle
(895)
free
13
Diary Journal - With Lock
Diary Journal - With Lock
Diary Journal - With Lock
Private Secret Daily Journal
Free

This app provides a secure and private digital space for recording thoughts, memories, and dreams. It encourages self-reflection and personal growth through daily journaling, ensuring all entries are kept confidential.

Secret diary entriesLog life events and progressRecord emotions and feelings
🌟 Lifestyle
(360)
free with in-app purchases
14
Diary - Journal with password
Diary - Journal with password
Diary - Journal with password
Beautiful diary with password
Free

This app provides a secure and beautiful space to record your thoughts, plans, and life moments. Protect your entries with a password and enjoy a customizable interface with features like image support and PDF export.

Password protection with PINAdd/edit/remove imagesSearch functionality
🌟 Lifestyle
(1.7K)
free with in-app purchases
15
Diary with Lock- Daily Journal
Diary with Lock- Daily Journal
Diary with Lock- Daily Journal
Diary with Lock: Daily Journal
Free

Securely record your thoughts, feelings, and memories with a password or facial ID lock. Features auto-save, auto-sync to the cloud, and offline journaling. Personalize entries with various tools and export them as PDFs with a premium subscription.

Password and facial ID lockAuto-save and auto-syncCloud backup for data recovery
🔧 Utilities
(2)
freemium
16
Diary Card - journal with lock
Diary Card - journal with lock
Diary Card - journal with lock
mood private lock notes
Free

This app allows you to privately record your daily thoughts and experiences. Customize your entries with photos and weather icons, and secure your journal with a password or fingerprint. It's designed for simple, offline use to capture life's details.

Customizable photo coversMood and weather trackingOffline functionality
🔧 Utilities
(309)
free with in-app purchases
17
Diary Locked
Diary Locked
Diary Locked
by VINICORP JSC.
Free

Record your daily thoughts, ideas, and emotions with this secure digital journal. Attach photos to entries and easily search your memories by date, category, or tag. Protect your private thoughts with a password lock.

Password protectionAttach photos to entriesSearch by date, category, or tag
🌟 Lifestyle
(5)
free
18
Diary & Journal with Lock
Diary & Journal with Lock
Diary & Journal with Lock
Simple diary with password
Free
🌟 Lifestyle
(0)
19
Diary with Lock, Photo, Video
Diary with Lock, Photo, Video
Diary with Lock, Photo, Video
Daily Journal : Private & Safe
Free

Securely record your thoughts, feelings, and memories with text, photos, audio, and video. This app offers a private journaling experience with mood tracking and voice-to-text capabilities.

Record with text, photo, audio, videoVoice-to-text diary entryMood tracking and analysis
🌟 Lifestyle
(11)
freemium
20
Diamond Glitter Diary
Diamond Glitter Diary
Diamond Glitter Diary
With lock protection
Free

A personal diary app that allows you to write daily entries and express your feelings with a variety of emojis. It offers lock protection to keep your thoughts private.

Daily journalingLock protectionEmoji support
📊 Productivity
(1.3K)
free

FAQ about Free Diary Lock

What are the best free diary lock apps for iPhone?
My Diary With Lock tops our free diary lock apps ranking as of August 2026, with a 4.7-star average from 1.6K App Store ratings, and it's free to download.
My Diary With Lock has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ free diary lock apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
My Diary With Lock is a digital journaling application designed to help you securely record your daily thoughts, moods, and memories. It offers features like password protection, mood tracking, and a calendar view to easily revisit past entries.
Your diary entries are protected with a password lock and can also be secured using Face ID. This ensures that all your personal reflections remain private and are only visible to you.