Best Free Diary Thought Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

The best free diary thought apps on iPhone average 4.6★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Free Diary Thought Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Simple Daily DiarySimple Daily DiaryFree4.5★ (1.2K)NoYesAug 2026
2My thoughts - Cute diaryMy thoughts - Cute diaryFree4.7★ (131)NoYesJul 2026
3Diary - Journal with passwordDiary - Journal with passwordFree4.5★ (1.7K)YesNoAug 2026
4Simple Diary, Journal, NotesSimple Diary, Journal, NotesFree4.8★ (172)YesNoAug 2026
5Diary With PasswordDiary With PasswordFree4.7★ (27K)NoYesAug 2026
6Super Simple Diary - JournalSuper Simple Diary - JournalFree5.0★ (7)YesYesJul 2026
7Secret Diary with Lock - MuseSecret Diary with Lock - MuseFree4.7★ (692)YesYesAug 2026
8Secret Diary With PasscodeSecret Diary With PasscodeFree4.6★ (8.1K)YesNoAug 2026

Top Picks for Free Diary Thought

Simple Daily Diary#1

Simple Daily Diary by Dmytro Vynokurov

Easiest way to journal
Editor's Choice
🌟 Lifestyle
4.5😐(1.2K ratings)
FreeIn-App Purchases
Simple Daily Diary screenshot 1
Simple Daily Diary screenshot 2
Simple Daily Diary screenshot 3

Capture your everyday moments with a fast, easy, and beautifully designed journaling app. Add custom titles, personalize with themes, and easily find past entries with smart search. Sync across devices and enjoy local backups for peace of mind.

What We Love

  • 👍 Simple and easy to use
  • 💡 Straightforward diary format
  • 🚀 Clean and fast interface

Room to Improve

  • 🔒 No password or lock feature
  • 📤 Limited storage space without paid upgrade
  • 🐛 Inconsistent behavior with paid upgrade
My thoughts - Cute diary#2

My thoughts - Cute diary by Aleksey Konshin

Your daily thoughts
Strong Contender
🌟 Lifestyle
4.7(131 ratings)
FreeIn-App Purchases
My thoughts - Cute diary screenshot 1
My thoughts - Cute diary screenshot 2
My thoughts - Cute diary screenshot 3
My thoughts - Cute diary screenshot 4
My thoughts - Cute diary screenshot 5
My thoughts - Cute diary screenshot 6

Securely record your daily thoughts and memories with a simple, intuitive interface. Add photos and moods to entries, and benefit from automatic emotion recognition. Your diary syncs across devices via iCloud, ensuring your thoughts are always safe and accessible.

Diary - Journal with password#3

Diary - Journal with password by Aurel Criste

Beautiful diary with password
Worth Considering
🌟 Lifestyle
4.5😊(1.7K ratings)
FreeAds
Diary - Journal with password screenshot 1
Diary - Journal with password screenshot 2
Diary - Journal with password screenshot 3
Diary - Journal with password screenshot 4
Diary - Journal with password screenshot 5

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.

What We Love

  • 🚀 Awesome app
  • 🔒 Password protected
  • 👍 Customizable font, color, and theme
  • 💡 Ability to add photos

Room to Improve

  • 🐛 Entries disappear without warning
  • 🐛 Password issues, unable to reset
  • 🐛 Scrolling/jumping text when writing longer entries

More Free Diary Thought apps to explore

4
Simple Diary, Journal, Notes
Simple Diary, Journal, Notes
Simple Diary, Journal, Notes
Simple and cool diary app
Free

This app offers a straightforward and aesthetically pleasing way to maintain a daily journal. Designed for users seeking simplicity, it avoids complex settings for an intuitive and stress-free journaling experience.

Simple daily diary keepingEasy-to-use interfaceBeautiful and clean design
🔧 Utilities
(172)
ad-supported
5
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
6
Super Simple Diary - Journal
Super Simple Diary - Journal
Super Simple Diary - Journal
The world's simplest diary.
Free

Record your thoughts and memories with this straightforward journaling application. It allows you to attach multiple photos to entries and features a minimalist design to keep your focus. Your data is stored locally on your device, ensuring complete privacy.

Simple writing and reading interfaceAttach multiple pictures to entriesMinimalist and distraction-free design
🌟 Lifestyle
(7)
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
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
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
10
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
(451)
free with in-app purchases
11
Daily Journal App - My Diary
Daily Journal App - My Diary
Daily Journal App - My Diary
Mood Tracker, Daily Writing
Free

Capture your thoughts, memories, and emotions in a secure and stylish digital journal. Track your mood, add photos and articles, and organize entries with tags. Personalize your experience with custom fonts, stickers, and backgrounds.

Enhanced privacy with pattern, PIN, or fingerprint lockAdd photos and articles to entriesUnlimited text entries with stylish fonts and colors
🌟 Lifestyle
(13)
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
(900)
free
13
My diary - Secret Journal
My diary - Secret Journal
My diary - Secret Journal
Diary with password
Free

This application serves as a secure digital journal for recording thoughts, emotions, and life events. It offers features like password protection, image attachments, and a word cloud visualization to help users express themselves and reflect on their experiences.

Password protectionImage attachmentsPDF export
🌟 Lifestyle
(7)
ad-supported
14
My Diary with password & lock
My Diary with password & lock
My Diary with password & lock
Daily notes & private Journal
Free

This app provides a private space to record thoughts, emotions, and activities. It features mood tracking, photo attachments, and customizable reminders to encourage self-reflection. Secure your entries with password or biometric protection and gain insights into your life patterns.

Write and organize diary entriesVisual mood trackerAdd photos and attachments
🌟 Lifestyle
(594)
free with in-app purchases
15
Private diary: notes, emotions
Private diary: notes, emotions
Private diary: notes, emotions
Notebook for mood and memories
Free

A private digital journal to securely record your thoughts and memories. Track your daily mood with a variety of emojis and access your entries offline. Protect your personal reflections with a password.

Password protectionMood tracking with emojisOffline note editing
🌟 Lifestyle
(3)
freemium
16
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
17
Diary & Journal with Lock
Diary & Journal with Lock
Diary & Journal with Lock
Simple diary with password
Free
🌟 Lifestyle
(0)
18
Journal for iPad
Journal for iPad
Journal for iPad
Private Diary with Password
Free
🌟 Lifestyle
(0)
19
CBT Thought Diary App
CBT Thought Diary App
CBT Thought Diary App
Journal Therapy for Self-Help
Free

This app helps you track and transform your thoughts and emotions using the ABC model of Cognitive Behavioral Therapy. Log your experiences, gain insights into patterns, and challenge negativity for improved mental well-being. Securely store your data and export progress for personal review or sharing with professionals.

ABC model thought loggingHistorical emotional insightsPDF progress export
💪 Health & Fitness
(11)
freemium
20
Deghy
Deghy
Deghy
by Laura Griffin
Free

This app lets you create a personal diary by capturing daily window views. You can set the sky mood, add notes about your feelings, and track your progress. Entries are archived and can be exported as keepsakes, all within a visually appealing interface.

Capture daily window viewsSet sky mood (sun, clouds, rain)Tag feelings with notes
🔧 Utilities
(8)
free with in-app purchases

FAQ about Free Diary Thought

What are the best free diary thought apps for iPhone?
Simple Daily Diary tops our free diary thought apps ranking as of August 2026, with a 4.5-star average from 1.2K App Store ratings, and it's free to download.
Simple Daily Diary has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ free diary thought apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Simple Daily Diary is a journaling application designed for fast, easy, and delightful daily record-keeping. It allows users to capture everyday moments, add custom titles, personalize with themes, and easily search through past entries.
Key features include the ability to add custom titles to entries, over 20 color themes for personalization, smart search by date or keywords, seamless sharing of thoughts, iCloud syncing between iPhone and iPad, and local backups for added security.