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Best Diary With Lock Safe Apps

241+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Diary with lock is the household name in diary with lock safe, but it's far from the only option. We track 241+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Diary With Lock Safe Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diary with lockDiary with lockFree4.3★ (1.2K)NoYesAug 2026
2Secret Diary With LockSecret Diary With LockFree4.4★ (736)YesYesAug 2026
3Diary Journal - With LockDiary Journal - With LockFree4.7★ (367)NoYesSep 2026
4Diary - Journal with passwordDiary - Journal with passwordFree4.5★ (1.7K)YesNoSep 2026
5Secret Diary With PasscodeSecret Diary With PasscodeFree4.6★ (8.1K)YesNoSep 2026
6Secure Daily DiarySecure Daily DiaryFree4.6★ (452)NoYesSep 2026
7Diamond Diary Notes With LockDiamond Diary Notes With LockFree4.4★ (8.6K)YesYesSep 2026
8Secret Diary with Lock - MuseSecret Diary with Lock - MuseFree4.7★ (692)YesYesSep 2026

Top Picks for Diary With Lock Safe

Diary with lock#1

Diary with lock by Tuyen Bui

Colorful Diary, Journal, Note
Editor's Choice
🌟 Lifestyle
4.3😐(1.2K ratings)
FreeIn-App Purchases
Diary with lock screenshot 1
Diary with lock screenshot 2
Diary with lock screenshot 3
Diary with lock screenshot 4
Diary with lock screenshot 5

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.

What We Love

  • 🔒 Secure with password protection
  • ✨ Customizable fonts and colors
  • 📝 Easy to write entries
  • 💻 Convenient digital diary

Room to Improve

  • 💸 Too many ads interrupting writing
  • 🐛 Crashes and glitches when trying to write
  • 💾 No backup or data recovery options
  • 🔍 Partial visibility of entries even when locked
Secret Diary With Lock#2

Secret Diary With Lock by Pravin Gondaliya

Secret Journal With Password
Strong Contender
🌟 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
  • 🐛 Bugs causing data loss or app crashes
Diary Journal - With Lock#3

Diary Journal - With Lock by Heyou Co., Ltd.

Private Secret Daily Journal
Worth Considering
🌟 Lifestyle
4.7😐(367 ratings)
FreeIn-App Purchases
Diary Journal - With Lock screenshot 1
Diary Journal - With Lock screenshot 2
Diary Journal - With Lock screenshot 3
Diary Journal - With Lock screenshot 4
Diary Journal - With Lock screenshot 5
Diary Journal - With Lock screenshot 6

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.

What We Love

  • 🔒 Password protection and privacy features
  • 📹 Video diary functionality highly valued
  • 👍 Easy to use and intuitive interface
  • 📸 Ability to add photos and videos to entries
  • 🎙️ Audio recording capability
  • 😌 Helps with mental health and stress relief
  • ✨ No advertisements in app
  • 📊 Stats and emoji customization options
  • 🎭 Fake diary feature for added privacy
  • ⏰ Daily entry organization and layout

Room to Improve

  • 🚫 Limited free version (one entry per day)
  • 💰 Premium features behind paywall
  • 🔐 Password recovery impossible if forgotten
  • 📱 Data transfer issues between devices
  • ☁️ Backup to cloud not working reliably
  • 🔊 Audio playback volume too faint
  • ⏱️ Video length limited to 10 minutes
  • 🐛 App crashes during video uploads
  • ❌ No cross-device data synchronization
  • 🎨 Background and emoji customization requires payment

More Diary With Lock Safe apps to explore

FAQ about Diary With Lock Safe

What are the best diary with lock safe apps for iPhone?
Diary with lock tops our diary with lock safe apps ranking as of September 2026, with a 4.3-star average from 1.2K App Store ratings, and it's free to download.
Yes — 20 of the top diary with lock safe apps we rank are free to download, including Diary with lock and Secret Diary With Lock.
Diary with lock has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 241+ diary with lock safe apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app is designed to be a personal digital journal where you can record your daily events, appointments, secrets, and feelings. It allows you to track your activities, create a diet or dream journal, document travel, or even write your autobiography in a secure and private manner.
Your personal entries are protected by a password or PIN code. You can set this up when you start using the app, and it will prompt you for the code each time you open it, ensuring your private thoughts remain confidential.