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Best Diary With Lock Online Apps

245+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Secret Diary With Lock is the household name in diary with lock online, but it's far from the only option. We track 245+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Diary With Lock Online Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Secret Diary With LockSecret Diary With LockFree4.4★ (736)YesYesAug 2026
2Diary With PasswordDiary With PasswordFree4.7★ (27K)NoYesAug 2026
3Secret Diary With PasscodeSecret Diary With PasscodeFree4.6★ (8.1K)YesNoAug 2026
4Diary - Journal with passwordDiary - Journal with passwordFree4.5★ (1.7K)YesNoAug 2026
5Diary with lockDiary with lockFree4.3★ (1.2K)NoYesAug 2026
6Diary Journal - With LockDiary Journal - With LockFree4.7★ (360)NoYesAug 2026
7Secret Diary with Lock - MuseSecret Diary with Lock - MuseFree4.7★ (692)YesYesAug 2026
8Diary - Private Note With LockDiary - Private Note With LockFree4.5★ (895)YesYesAug 2026

Top Picks for Diary With Lock Online

Secret Diary With Lock#1

Secret Diary With Lock by Pravin Gondaliya

Secret Journal With Password
Editor's Choice
🌟 Lifestyle
4.4😐(736 ratings)
FreeAdsIn-App Purchases
Secret Diary With Lock screenshot 1
Secret Diary With Lock screenshot 2
Secret Diary With Lock screenshot 3
Secret Diary With Lock screenshot 4
Secret Diary With Lock screenshot 5
Secret Diary With Lock screenshot 6

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.

What We Love

  • 🔒 Secure diary with password/fingerprint protection
  • 📝 Ability to write and express feelings
  • 🎨 Customization options for diary appearance
  • 🔐 Privacy and keeping secrets from others

Room to Improve

  • 💰 Many features locked behind paywall
  • 🌐 Ads and constant prompts to upgrade
  • 🕰️ Incorrect date/time display
Diary With Password#2

Diary With Password by 帆 杨

No Ads Journal Diary Notebook
Strong Contender
📊 Productivity
4.7😊(27K ratings)
FreeIn-App Purchases
Diary With Password screenshot 1
Diary With Password screenshot 2
Diary With Password screenshot 3
Diary With Password screenshot 4
Diary With Password screenshot 5
Diary With Password screenshot 6

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.

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
Secret Diary With Passcode#3

Secret Diary With Passcode by Berce Alin

Secret diary
Worth Considering
🌟 Lifestyle
4.6😊(8.1K ratings)
FreeAds
Secret Diary With Passcode screenshot 1
Secret Diary With Passcode screenshot 2
Secret Diary With Passcode screenshot 3
Secret Diary With Passcode screenshot 4
Secret Diary With Passcode screenshot 5

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.

What We Love

  • 🔒 Password protection
  • 💡 Customizable themes and fonts
  • 👍 Easy to use
  • 🚀 Unlimited entries

Room to Improve

  • 🐛 Entries disappearing or not saving properly
  • 📢 Excessive ads
  • 🔒 Password issues (unable to reset, incorrect password not working)

More Diary With Lock Online apps to explore

4
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
5
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
6
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
7
Secret Diary with Lock - Muse
Secret Diary with Lock - Muse
Secret Diary with Lock - Muse
Journal, Mood, Audio, Video
Free

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.

Password, Face, and Fingerprint LockMultiple Customizable JournalsAdd Photos, Audio, Geolocation, Mood, Weather
🌟 Lifestyle
(692)
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
Secure Daily Diary
Secure Daily Diary
Secure Daily Diary
Private journal with passcode
Free

Capture your thoughts and memories securely with a private journal. Protect your entries with a passcode, Face ID, or Touch ID. Enjoy a customizable experience with various themes and icons, all stored locally and synced via iCloud.

Passcode, Face ID, or Touch ID protectionLocal storage and iCloud syncNo third-party servers or sign-ups
🌟 Lifestyle
(452)
free with in-app purchases
10
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
11
Journal X: My Diary with Lock
Journal X: My Diary with Lock
Journal X: My Diary with Lock
Personal Locked Journaling
Free

This app allows you to create a private digital journal with passcode protection. Add photos, stickers, and organize entries into multiple journals. Sync across devices and receive reminders to encourage daily writing.

Daily photo entriesPasscode lockMultiple photo uploads per entry
🌟 Lifestyle
(1.8K)
free with in-app purchases
12
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
13
Personal diary with password
Personal diary with password
Personal diary with password
Lock my notes & daily journal
Free

Securely store your thoughts, ideas, dreams, and recipes in a private digital journal. This app offers password protection, photo attachments, and offline storage for your personal reflections and life story.

Secure login with passwordSearchable entriesAdd photos to entries
🌟 Lifestyle
(141)
free with in-app purchases
14
Journal-Diary with password
Journal-Diary with password
Journal-Diary with password
Secure journal with lock
Free

Securely record your thoughts, secrets, and private moments with this digital journal. Protect your entries with a password, Touch ID, or Face ID, and enrich them with photos and videos. Easily organize and search your memories.

Password, Touch ID, Face ID lockAdd text, photos, and videosTagging for entries
🌟 Lifestyle
(1)
free with in-app purchases
15
My Private Diary For Girls
My Private Diary For Girls
My Private Diary For Girls
Secret Photo, Video, & Journal
Free

Securely record your daily thoughts, feelings, and life events with photos and videos. This app acts as a private vault, protecting your personal entries from unauthorized access with a passcode.

Secure passcode protectionRecord thoughts, photos, and videosOrganize and back-up entries
🌐 Social Networking
(692)
free with in-app purchases
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
My Super Secret Diary Notes
My Super Secret Diary Notes
My Super Secret Diary Notes
Lock the Private Dream Journal
Free

Securely record your daily thoughts, memories, and secrets in a customizable digital journal. Protect your private entries with a lock and enhance them with photos, emoticons, and personalized designs. Your memories are safely stored and accessible across devices.

Password/Touch ID protectionCalendar and list viewSearch functionality
📊 Productivity
(1.9K)
subscription
18
Diary & Journal with Lock
Diary & Journal with Lock
Diary & Journal with Lock
Simple diary with password
Free
🌟 Lifestyle
(0)
19
Secret Diary - Diary with Lock
Secret Diary - Diary with Lock
Secret Diary - Diary with Lock
Cute private diary
Free

Securely record your thoughts, daily events, and journeys with this private diary app. It offers robust security features like Face ID, Touch ID, or passcode lock, and allows for extensive personalization with themes, fonts, and backgrounds. All entries are stored locally for maximum privacy.

Face ID, Touch ID, passcode lockiCloud backup and restoreUnlimited editing options
🌟 Lifestyle
(59)
free
20
My Daily Diary ‎
My Daily Diary ‎
My Daily Diary ‎
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

FAQ about Diary With Lock Online

What are the best diary with lock online apps for iPhone?
Secret Diary With Lock tops our diary with lock online apps ranking as of August 2026, with a 4.4-star average from 736 App Store ratings, and it's free to download.
Yes — 20 of the top diary with lock online apps we rank are free to download, including Secret Diary With Lock and Diary With Password.
Secret Diary With Lock shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ diary with lock online apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Secret Diary With Lock is a digital journaling app designed to keep your personal thoughts, feelings, memories, and plans private. It allows you to create unlimited entries, add photos and emojis, and secure your journal with various lock types.
Key features include multiple lock options (PIN, pattern, safe), the ability to make unlimited entries, add photos and mood emojis to entries, set writing reminders, and customize the diary's appearance with different wallpapers and fonts. It also offers data backup and restore functionality.