Private diary for iPhone

Write a little every day.
Find it again years later.

Diary Keeper is a private journal with daily prompts, moods, photos and voice notes. Locked with Face ID, synced with iCloud, and never stored on our servers.

Free to download · iPhone & iPad · iOS 17 or later · No account needed

Features

Everything you need.
Nothing you don't.

Built for people who want to keep a diary, not manage one.

Write without the blank page

A fresh prompt every day, or shuffle for another. Eight templates get you started in seconds.

  • Daily reflection, gratitude, mood check-in
  • Morning intentions, weekly review
  • Travel log, dream log, brain dump
On This Day memories in Diary Keeper

Capture the whole day

Add photos, voice notes and places. Pick a mood from three emoji styles, tag entries and mark events like Friends, Travel, Fitness or Rest.

Focus mode & rich text

Focus mode hides everything but your words. Bold, italic, underline, strikethrough and lists, with seven handwriting fonts, colours and paper backgrounds.

Find any moment

Search titles, text, tags, events, moods and places. Filter by bookmarks, drafts, photos or year. On This Day brings back what you wrote one, two or five years ago.

Never lose a word

iCloud sync keeps every device up to date. Export a print-ready PDF booklet with your photos, Markdown for any notes app, or a full backup you can restore on a new phone.

Make it yours

Thirteen themes from Sunset to Winter Eve. Today's Quote and Recent Entries widgets, your own quotes, and daily reminders on the days you choose.

Screenshots

Your days, kept beautifully.

A quick look at Diary Keeper on iPhone.

Private by design

Your diary is yours. Full stop.

No sign-up, no server, no one reading over your shoulder.

Lock it your way

Passcode, Face ID or Touch ID. Choose how quickly the diary locks again after you leave.

Widgets stay discreet

Home-screen widgets hide your text while the lock is on, so nothing shows at a glance.

No account needed

There is nothing to sign up for. Your writing is stored on your device and in your own iCloud, never on our servers.

Take it with you

Export everything to PDF or Markdown at any time. Your diary is never locked into the app.

Thirteen themes

A diary that looks the way you feel.

Pick a theme and the whole app follows: home, widgets and paper.

Sunset Winter Eve Autumn Beach Forest Lavender Flowers Rainy Igloo Carnival The Greening Roadview Witches Summer
Pricing

Free to keep. One small upgrade.

Every feature is included for free. Pay once to remove ads, and only if you want to.

Free

$0forever

Every feature, no account, no limits on entries.

  • Unlimited entries, photos and voice notes
  • Face ID lock and iCloud sync
  • Prompts, templates, themes and widgets
  • PDF, Markdown and backup export
Get Started
One-time

Remove Ads

Pay onceno subscription

Everything in Free, with no ads, ever. Price shown in the App Store in your local currency.

  • No ads, no interruptions
  • Restores on any device with your Apple ID
  • Supports an independent developer
Unlock in the app
Reviews

Real people. Real entries.

Recent reviews from the App Store.

Download Diary Keeper
and start with one line about today.

Scan the code with your iPhone camera, or tap the button below.

Download on theApp Store
FAQ

Questions, answered.

Is Diary Keeper free?

Yes. Every feature is free. There is one optional one-time purchase that removes ads. No subscription.

Do I need an account?

No. There is nothing to sign up for. Entries are stored on your device and, if you turn it on, in your personal iCloud. We never see your writing.

How does the lock work?

Set a passcode, then turn on Face ID or Touch ID. You choose how soon the diary locks again after you leave the app. Widgets hide your text while the lock is on.

Does it sync between my iPhone and iPad?

Yes. Turn on iCloud sync and every device signed into the same Apple ID stays up to date, including photos and voice notes.

Can I get my diary out of the app?

Any time. Export a print-ready PDF booklet with your photos, Markdown files for any notes app, or a full backup you can restore on a new phone.

I forgot my passcode. What now?

If Face ID or Touch ID is enabled you can unlock with that and set a new passcode in Settings. Because we never hold your data, we cannot reset a passcode for you. Keep a backup exported regularly.

How do I delete my data?

Delete the app to remove everything on the device. To clear iCloud copies, open iPhone Settings, tap your name, then iCloud, Manage Storage, and remove Diary Keeper.

Contact

We'd love to hear from you.

Bugs, ideas, or just a note about what you'd like to see next.

Support

Something not working? Send the app version (Settings → About) and your iOS version, and we'll get back to you.

Email support

Feature requests

Diary Keeper is built by an independent developer, and most features started as an email from someone who uses the app.

Suggest a feature