1. Home
  2. Topics
  3. Private Notes And Secret Diary

Best Private Notes And Secret Diary Apps

222+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Looking for free private notes and secret diary apps? 20 of our 222+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Private Notes And Secret Diary Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diary With PasswordDiary With PasswordFree4.7★ (26K)NoYesJul 2026
2Notebook - Diary & Journal AppNotebook - Diary & Journal AppFree4.7★ (14K)YesYesJul 2026
3Secure NotepadSecure NotepadFree4.7★ (13K)NoYesJul 2026
4My Diary - Journal with LockMy Diary - Journal with LockFree4.7★ (28K)YesYesJul 2026
5Diary - Private Note With LockDiary - Private Note With LockFree4.5★ (895)YesYesJul 2026
6n+otesn+otesFree4.7★ (44K)YesYesJul 2026
7Day One: Daily Journal & DiaryDay One: Daily Journal & DiaryFree4.8★ (117K)NoYesJul 2026
8Secret Diary With PasscodeSecret Diary With PasscodeFree4.6★ (8.1K)YesNoJul 2026

Top Picks for Private Notes And Secret Diary

Diary With Password#1

Diary With Password by 帆 杨

No Ads Journal Diary Notebook
Editor's Choice
📊 Productivity
4.7😊(26K 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
Secure Notepad#3

Secure Notepad by Dmytro Vynokurov

Private Notes with Password
Worth Considering
📊 Productivity
4.7😊(13K ratings)
FreeIn-App Purchases
Secure Notepad screenshot 1
Secure Notepad screenshot 2
Secure Notepad screenshot 3
Secure Notepad screenshot 4

Securely store personal notes, contacts, and passwords with password protection. Features a simple interface, biometric unlock options, and password recovery. Keep your sensitive information private and organized.

What We Love

  • 🔒 Password protection
  • 🔒 Security question for password recovery
  • 👍 Simple and easy to use
  • 🚀 Straightforward note-taking

Room to Improve

  • 💰 Paid version required for more than 3 notes
  • 🐛 Notes disappearing or not syncing across devices
  • 🐛 Password/security question issues

More Private Notes And Secret Diary apps to explore

4
My Diary - Journal with Lock
My Diary - Journal with Lock
My Diary - Journal with Lock
Journaling Diary with password
Free

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.

Password-protected diaryAdd photos and drawingsCustomizable themes and backgrounds
🌟 Lifestyle
(28K)
free with in-app purchases
5
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
6
n+otes
n+otes
n+otes
Quick, easy note, private lock
Free

Capture thoughts and ideas instantly with a simple interface. Secure your notes with a private lock feature. Optional subscription removes ads and supports development.

Quick note-takingPrivate note lockAd-free experience (subscription)
📊 Productivity
(44K)
free with in-app purchases
7
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Личный дневник благодарности
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
(117K)
freemium
8
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
9
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
(4.3K)
freemium
10
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
11
Private Notes and Secret Diary
Private Notes and Secret Diary
Private Notes and Secret Diary
by Tigran Mkhitaryan
Free

Securely store and manage your private notes with password protection. Keep personal details safe from prying eyes on your device, even when sharing with others.

Password protection for notesSecure storage of personal detailsCreate simple notes
📊 Productivity
(8)
free with in-app purchases
12
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
(5.4K)
free with in-app purchases
13
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
14
Note Lock~Lock your Tales Safe
Note Lock~Lock your Tales Safe
Note Lock~Lock your Tales Safe
Keep privacy secret diary data
Free

Securely store and manage private notes, journals, and sensitive information with advanced security features. Protect your data with passcodes, patterns, and even a decoy mode. Organize your thoughts with a calendar view, stickers, and customizable themes.

Decoy passcode protectionSurveillance and anti-intruder systemCalendar and hybrid view
🔧 Utilities
(2.8K)
free with in-app purchases
15
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
16
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
17
Simple Diary - Daily Journal
Simple Diary - Daily Journal
Simple Diary - Daily Journal
Journaling with lock, notebook
Free

This app provides a simple and convenient way to journal your thoughts and experiences. It allows you to add images, secure your entries with a passcode, and customize the app's appearance. Data backup and search functions ensure your memories are safe and easily accessible.

Insert images into entriesSecure passcode lock (Face ID/Touch ID)Customizable theme colors and app icon
🌟 Lifestyle
(907)
free with in-app purchases
18
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
19
Secret Diary : Private Life
Secret Diary : Private Life
Secret Diary : Private Life
Private Diary For Girls
Free

Securely record your daily thoughts, feelings, and life events. Express yourself with text, pictures, music, and decorative stickers to capture your mood and creativity.

Record daily thoughtsCapture life happeningsAdd pictures and text
🌟 Lifestyle
(96)
free with in-app purchases
20
Standard Notes
Standard Notes
Standard Notes
End-to-end encrypted notes
Free

Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

End-to-end encryptionCross-device syncingOffline access
📊 Productivity
(3.6K)
free with in-app purchases

FAQ about Private Notes And Secret Diary

What are the best private notes and secret diary apps for iPhone?
Diary With Password tops our private notes and secret diary apps ranking as of July 2026, with a 4.7-star average from 26K App Store ratings, and it's free to download.
Yes — 20 of the top private notes and secret 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 July 2026.
We track 222+ private notes and secret diary apps on the iOS App Store as of July 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.