Diary with Lock: Daily Journal

Contains adsIn-app purchases
4.8
399K reviews
10M+
Downloads
Content rating
USK: All ages
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About this app

Diary with password, a daily journal app to vent your feelings & record thoughts!

This is a free journaling app. Use pattern lock, digit PIN, or fingerprint lock to protect the security of your secret thoughts and daily notes.

We provide unlimited entry editing options, pictures, emojis, moods, etc. Also, you can decorate your entries with stylish fonts and backgrounds.

šŸ™‹šŸ¼ā€ā™€ļøWhy Choose Us?

šŸ›”ļø Protecting daily journal with lock
🟢 Pattern lock
🟢 4-digit PIN
🟢 Fingerprint lock
🟢 Passcode hint
🟢 Retrieve passcode

āœļø Decorate writing in my diary app
🌟 Unlimited text entries
🌟 Stylish fonts & text-colors/sizes
🌟 Beautiful backgrounds
🌟 Personal pictures
🌟 All kinds of emojis

And we are more than a diary with lock password… You can
šŸ’• Track mood changes in Calendar View
šŸ” Search diaries by keywords or tags
šŸ“† Show time & date in different formats
šŸ”” Set up and customize notifications

šŸ’‹Start using it right now! You will have a beautiful experience here.
Updated on
13 Nov 2025
Events and offers

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, App activity and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.8
372K reviews
Maddie Hatter
29 December 2024
It's a great app. Simple and easy to navigate. I use it a lot to vent. And the clue for the password is supremely useful, since I forget things quite easily. One thing I've noticed though is that the default seems to be all lowercase letters. I don't mind it, maybe it can changed in the setting or something. Overall, great app, hope it stays forever.
1,612 people found this review helpful
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Krushi
4 November 2025
I really love this app and have been using it every day to write my diary. But after reinstalling and restoring my data, I noticed that all my January 2025 entries are missing, even though I had backed them up to Google Drive. Those entries included some important photos and personal memories that mean a lot to me. Please look into this issue and help me recover them — I’d really appreciate your support and guidance
2 people found this review helpful
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Simple Design Ltd.
5 November 2025
Thank you for your feedback. Please make sure your January 2025 entries were successfully backed up to Google Drive. Reinstall the app and log in with the same backup account to restore automatically. If the issue persists, contact us at diaryfeedback@gmail.com for help.
Nikki Corry
18 June 2025
Update 6/17/25: I just came back to this app and the ads are no longer minimal. It's seriously faster for me to close the app and reopen it, then wait for it to load then it is to sit through the ads every time I do something 9/28/23: Exactly what I was looking for! A password protected journal to write about personal things in. I use the free version and find the ads minimal. The journal is super easy to use and fairly customizable. I like that there is a calendar view and entry list view.
85 people found this review helpful
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Simple Design Ltd.
18 June 2025
Thank you for your feedback! We understand how frustrating ads can be, and we apologize for any inconvenience caused. Ads are important for supporting the continued development of the app, but we are always working to improve the experience and minimize their impact. Your feedback is important to us, and we’ll consider it for future updates.