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Best Locked Diary Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Out of 249+ locked diary apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Locked Diary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diary With PasswordDiary With PasswordFree4.7★ (27K)NoYesAug 2026
2Notebook - Diary & Journal AppNotebook - Diary & Journal AppFree4.7★ (14K)YesYesAug 2026
3My Diary - Journal with LockMy Diary - Journal with LockFree4.7★ (28K)YesYesAug 2026
4Daily Journal: Diary with LockDaily Journal: Diary with LockFree4.8★ (5.5K)YesYesAug 2026
5Secret Diary With PasscodeSecret Diary With PasscodeFree4.6★ (8.1K)YesNoAug 2026
6My Diario: Locked DiaryMy Diario: Locked DiaryFree—YesYesMay 2026
7Diary - Journal with passwordDiary - Journal with passwordFree4.5★ (1.6K)YesNoAug 2026
8Diary with lockDiary with lockFree4.3★ (1.2K)NoYesAug 2026

Top Picks for Locked Diary

Diary With Password#1

Diary With Password by 帆 杨

No Ads Journal Diary Notebook
Editor's Choice
📊 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
Notebook - Diary & Journal App#2

Notebook - Diary & Journal App by Koji Ito

A diary that flips like a book
Strong Contender
📊 Productivity
4.7😊(14K ratings)
FreeAdsIn-App Purchases
Notebook - Diary & Journal App screenshot 1
Notebook - Diary & Journal App screenshot 2
Notebook - Diary & Journal App screenshot 3
Notebook - Diary & Journal App screenshot 4
Notebook - Diary & Journal App screenshot 5

This app offers a natural journaling experience by organizing daily notes on a single page, allowing you to flip through your entries like a physical book. It prioritizes simplicity, security with passcode locks, and seamless iCloud synchronization for easy access across devices.

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
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😊(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

More Locked Diary apps to explore

4
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
5
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
6
My Diario: Locked Diary
My Diario: Locked Diary
My Diario: Locked Diary
Locked & Secure Diary
Free
📊 Productivity
(0)
7
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
(1.6K)
free with in-app purchases
8
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
9
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
10
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
11
Diario: Diary with password
Diario: Diary with password
Diario: Diary with password
Freenotes to reflect intime
Free
🌟 Lifestyle
(0)
12
Daylio Journal - Mood Tracker
Daylio Journal - Mood Tracker
Daylio Journal - Mood Tracker
Private Diary, Health, Habits
Free

This app helps you track your moods and activities to understand your well-being. It offers a private micro-diary experience without requiring extensive typing, allowing you to identify happiness triggers and build positive habits.

Mood tracking with icons and emojisActivity loggingPrivate journaling without typing
🌟 Lifestyle
(61K)
free with in-app purchases
13
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
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
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Private Gratitude Journaling
Free

Record your life with a private digital journal. Securely save text, photos, audio, and video. Features include reminders, prompts, and automatic data import to help you stay consistent and reminisce.

Unlimited text entriesRich text formattingPhoto and video support
💪 Health & Fitness
(118K)
freemium
16
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Diary, Journal, Notes - Diaro
Your Personal & Secure Diary
Free

Record daily activities, thoughts, and memories securely. Organize entries with tags, locations, and folders. Sync across devices and export your data easily. Features include mood tracking, photo attachments, and a calendar view.

Secure PIN and fingerprint lockCustomizable themes and 30+ languagesPowerful search and filtering
🌟 Lifestyle
(4.5K)
freemium
17
Safe Diary Private Notes&Image
Safe Diary Private Notes&Image
Safe Diary Private Notes&Image
Lock your notes, photos& files
Free
📊 Productivity
(0)
18
JewelKhata – Private Diary
JewelKhata – Private Diary
JewelKhata – Private Diary
by We Developers LLC
Free
📊 Productivity
(0)
19
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
20
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

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FAQ about Locked Diary

What are the best locked diary apps for iPhone?
Diary With Password tops our locked diary apps ranking as of August 2026, with a 4.7-star average from 27K App Store ratings, and it's free to download.
Yes — 20 of the top locked diary apps we rank are free to download, including Diary With Password and Notebook - Diary & Journal App.
Diary With Password has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ locked diary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app functions as a private digital journal, allowing you to log daily thoughts, emotions, and life events. It provides a secure space to record your experiences and reflect on them later.
Your diary entries are protected by a password, pattern lock, Touch ID, or Face ID, depending on your device's hardware support. This ensures that only you can access your personal writings.

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