In-app purchases
9.79K reviews
Content rating
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About this app


* Used by over 1 million people around the world
* Best free journal in any app store
* Syncs to the web and other mobile platforms for free

Penzu is the most popular free diary, journal and notepad. It’s the best place to keep your most private thoughts safe and secure. Sync your journals to Penzu where your notes are accessible from almost any device in the world. So simple and fun that you’ll leave your paper diary behind!


* Unlimited journaling
* Sync journals with Penzu cloud for free
* Customize your journal covers
* Receive reminders to write
* Lock journals with a password
* Encrypt your journals
* Add photos
* Lock app with a PIN
* Search journals
* Add tags
* Write offline
and more...


Penzu is a diary and personal journal that is focused on privacy. With a unique and compelling user experience, it makes writing online as easy and intuitive as writing on a pad of paper.


Your journal and your thoughts aren’t always meant to be shared — some things are supposed to be private! Use Penzu to jot down whatever you want. Then lock your journal with a password (or even encryption) so no one can read it but you! Furthermore, you can lock the entire app with a PIN in the event that someone gets access to your mobile device.


Unlike other journal apps, Penzu has a web-based counterpart. So you can access your journals and diary from any web browser and other devices. Penzu is constantly being updated and improved so that the writing experience is effortless and reliable.


This app is free to download but requires a free Penzu account in order to start writing.

Upgrading to Penzu Pro costs $4.99 per month or $19.99 per year. Your subscription will auto-renew unless you cancel manually.
Updated on
Oct 20, 2022

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, Photos and videos and 2 others
Data is encrypted in transit

Ratings and reviews

9.18K reviews
Courtney Lamb
March 6, 2024
I've had this app for some years. There was a period when I stopped journaling. However, I slowly worked my way back into it. I tried other apps, but they always had some sort of issue that pushed me away. So far this app does have a few nice features such as adding pictures, locking your journal with 3 different types of locking systems, and you can purchase the premium option to have more features.
6 people found this review helpful
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A Google user
December 29, 2018
I love using this to journal quickly as I can reference it later to self improve or relay to a counselor. It is also valuable to me to be able to get my thoughts or frustrations "on paper", if you will, to process them more readily. Great app, good UI/UX Design, and nice looking interface that is customizable. Highly recommended as your journaling app.
7 people found this review helpful
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A Google user
September 27, 2018
Darn, I was really pouring my heart into a beautiful journal entry when suddenly the app closed. No auto save, I totally lost my entry that I had been working on. This is a shame. Certainly there should be autosave. I like the UI but wow, that experience was heartbreaking. Writing is an intimate, vulnerable thing to do. I need to know I can count on your engineering. Sad face.
21 people found this review helpful
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What's new

- Fix for photos not appearing in some entries
- Fix for not being able to add images from the camera
- Fix for crash affecting some users on login
- Fix for crash affecting some users on sync
- Fix for keyboard sometimes not appearing on passcode screen
- Performance improvements and security enhancements