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Screenshots

  • Diary with lock screenshot 1
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About Diary with lock

Use "Diary with lock" app to make your own personal journal of daily events, appointments, secrets and feelings. ****************FEATURES**************** • Diary with lock: Password & pin code protection • Diary with lock: Personalize background color (Pink, Purple, Blue, ++) • Diary with lock: Change font-style • Diary with lock: Easy to use • Diary with lock: Search entries • Diary with lock: Make unlimited entries • Diary with lock: Support 3 languages: English, Japanese, Vietnamese. • Diary with lock: The most downloaded diary app on AppStore! ******************************************* Build from the ground up to be simple and user friendly, the user interface is designed to allow you to enter new notes quickly and easily. With this Diary you can write all your private notes and secure them with a pin code or password. * Track and write about your daily activities Make it a habit to quickly write one or more mini-notes during your day. Simply leave a few words about your workout session, what happened at school or in the office during your day. In weekends, you can write about all the fun you had walking your dog, meeting with friends, or being social with your family. Make it a unique travel diary, or road journal that documents your journey. This can be the daily activity log you always have wanted. Make it your personal journal and have fun reading it over in few year, and share a few laughs with your friends. As this app is pure textual, and contains no images or photos, it runs ultra fast and smooth on any iOS device, and consumes minimal of available memory and disk-space! * This diary is perfect to use as: 1. Diet journal A food diary is a daily record of all food consumed as a means of tracking calorie consumption, weight loss or other nutritional monitoring. 2. Dream journal Or dream diary is a journal in which dream experiences are recorded for later analysis and possibly oneiromancy. 3. Sleep diaries A sleep log is a tool used in diagnosis of sleep disorders. 4. Travel journals A travel diary, or road journal, is valuable documentation of a journey. (only textual, no images or photos) 5. Write your own Autobiography This diary app can easily fit the purpose of a writing down your memoir or chronicle. Keep a log or logbook to record history. Do like famous Anne Frank, make daily records, document life in your own daybook. Never forget a journal entry again, setup a reminder to alert you when it is time to write. Protect all personal notes by adding a pin code when it starts up. Never worry about losing memories again. Easily send a backup of diary entries directly to email for extra protection. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacy-policy-site-five-nu.vercel.app

Ratings & reviews

4.3

1.2K ratings

5 ★ 72% 4 ★ 10% 3 ★ 5% 2 ★ 4% 1 ★ 10%

What’s new

Version 2.3 · Updated May 24, 2026

• Added a public Privacy Policy page for Cloud Sync review compliance. • Updated the in-app subscription flow to open the correct Privacy Policy link. • Cloud Sync Monthly remains optional for Google Sign-In backup and restore. • Offline diary mode continues to work without a subscription. • Improved App Store subscription review readiness.

App privacy

The developer, Tuyen Bui, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Diary with lock

Looking for apps like Diary with lock? Here are 6 similar apps on the App Store. The highest rated is Diary Journal - With Lock (4.7/5), and all 6 are free to download.

Diary with lock vs. alternatives
App Rating Price Last updated Compare
Diary with lock 4.3 / 5 (1,247 ratings) Free May 24, 2026
Secret Diary With Lock 4.4 / 5 (736) Free May 29, 2026 Compare
Secret Diary : Private Life 3.3 / 5 (97) Free Mar 20, 2026 Compare
Diary - Journal with password 4.5 / 5 (1,662) Free Dec 9, 2023 Compare
Secret Diary With Passcode 4.6 / 5 (8,207) Free Dec 11, 2023 Compare
Diary With Password: Diary Me 4.5 / 5 (84) Free Aug 23, 2025 Compare
Diary Journal - With Lock 4.7 / 5 (367) Free Jan 26, 2026 Compare

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