A Diaro alternative with a cleaner, private feel
Diaro is a well-known diary and journal app for Android, iOS, and the web, with folders, tags, and photo support. If you want the same kind of organized diary but with wider device reach and a stronger privacy story, Purple Diary is a fair Diaro alternative: free with no ads, locked behind a PIN and biometrics, and built for far more platforms.
What Diaro is good at
Diaro has been around for a long time, and it does the fundamentals well. It runs on Android, iOS, and the web, and it leans into structure: folders to sort your entries, tags to label them, and photos to go alongside what you write. Sync and a premium tier are part of the picture. If you already think in folders and want a tidy place to keep everything, it is a reasonable home for your diary.
Where people start looking around is reach and privacy. Diaro covers the big three platforms, but not the wider set of devices some of us actually use, and locking the diary the way you would expect from a private journal is not its main focus.
Why pick Purple Diary as your Diaro alternative
Purple Diary keeps the organized feel and adds the things a private diary should have. You still get tags for sorting and finding entries, plus mood tracking, photo attachments, and voice notes. On top of that, your journal is protected by an app lock with a PIN, and on supported devices you can unlock with Face ID, Touch ID, or a fingerprint. The app re-locks when you leave it, so your entries stay private without any extra steps.
It also feels calmer to live in. There are 10 theme colors with light and dark options, adjustable fonts and text sizes, and feed display options that change how your past entries appear. Purple Diary shows no ads, does not sell your data, and does not read or reuse the content of your entries. You can see more on the digital diary app page.
Purple Diary vs Diaro at a glance
| Feature | Purple Diary | Diaro |
|---|---|---|
| Free to use | Yes, with no ads | Free tier; premium features are paid |
| Ads | No | Free version may show ads |
| Platforms | iPhone, iPad, Apple Watch, Mac, Android, Wear OS, Windows, web | Android, iOS, web |
| App lock with biometrics | Yes | Limited |
| Mood tracking | Yes | Varies by version |
| Theme colors | 10, with light and dark options | Limited theming |
| Web app | Yes | Yes |
Both apps give you tags, photos, and a web app to write from anywhere. The gap is reach and protection. Purple Diary runs on a notably wider set of devices, including a real Windows app and Wear OS, locks your diary with biometrics, and offers ten themes, all without ads and without charging for the basics.
Free, private, and on every device you own
Purple Diary runs on iPhone, iPad, Apple Watch, Mac, Android, Wear OS, Windows, and the web, and your diary stays in sync across all of them. Write a line from your wrist, add a photo on your phone, and read it back on your Mac at night, always behind the same lock. It is rated about 4.5 stars by more than 500 people and stays free to download and use. An optional subscription and a one-time lifetime purchase add premium extras, but the core diary, mood tracking, themes, and the lock cost nothing.
Frequently asked questions
Is Purple Diary a good Diaro alternative?
If you want wider platform reach, a biometric app lock, and a free, ad-free experience, yes. Diaro covers Android, iOS, and the web; Purple Diary adds Apple Watch, Mac, Windows, and Wear OS, with your journal kept in sync across all of them.
Does Purple Diary organize entries with tags?
Yes. Purple Diary has a tags system for organizing and quickly finding entries, along with mood tracking and photo and voice-note attachments, so the things you write stay easy to revisit.
Can I lock my diary in Purple Diary?
Yes. Purple Diary protects your journal with a PIN, and on supported devices you can unlock it with Face ID, Touch ID, or a fingerprint. The app re-locks when you leave it, so your entries stay private by default.
Is Purple Diary free and ad-free?
Yes. Purple Diary is free to download and use with no ads. An optional subscription and a one-time lifetime purchase add extra features, but the core diary, mood tracking, themes, and the lock are free.