Best Lock Diary Apps

Secret Diary with Locks

Private Journal with Password

Free

Securely record your thoughts, memories, and personal moments with this private journal app. Protect your entries with a password, PIN, or biometric authentication. All data is stored locally and encrypted for complete privacy.

Notebook - Diary & Journal App

A diary that flips like a book

Free

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.

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.

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.

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.

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.

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.

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.

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.

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.

Diamond Glitter Diary

With lock protection

Free

A personal diary app that allows you to write daily entries and express your feelings with a variety of emojis. It offers lock protection to keep your thoughts private.

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.

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.