In-app purchases
9.58K 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
You can request that data be deleted

Ratings and reviews

8.98K reviews
Dawn Brady
March 30, 2023
PC versions is good but not mobile app. I agree with the other reviews. It used to be good now it reformats every time you open a post. It shifts everything down as if you've put several empty lines between them. There is not as much capability as the computer app. If it isn't fixed, I'm probably going to have to switch to a different journal app. Please fix this.
17 people found this review helpful
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Ker Ma
April 22, 2023
Penzu is a great app for journaling on the go, and also for bringing back the memories. I've been thru a tough decade (several close family members healed in Heaven, car accidents, broken hearts, work challenges, weight gains, job losses, etc). It helps me jot down those moments, and be able to reflect on them... Especially when focusing on the HAPPY times and how I've grown as result. I would love to see a better way to attach a photo that captures the moment - that's glitchy. Thx Penzu!
10 people found this review helpful
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James Frazier
August 22, 2023
AVOID LIKE THE PLAGUE! Use to love. Paying member for years. In the past few months, losing data nearly every time I write. Syncing is horrible. Clearly no longer supporting it. They haven't meaningfully updated the app in years. That stinks, but I still get emails from them trying to get me to pay more for future subscriptions—to buy in advance. They know it doesn't work (see the many reviews) but try to get as much money as possible—from longtime, loyal customers. Dishonest. Shameful.
2 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