Cozy DiaryYour secret diary, locked
Write in 3 seconds, lock it forever.
A diary protected by PIN and fingerprint. No account, no cloud, no subscription — your words stay on your phone. Pick a mood each day and watch your calendar fill with a month of feelings.
Worried about diary apps?
Reviews about entries vanishing after an update
“Free” apps that lock everything behind a yearly subscription
Email verification and accounts just to write a diary
Cozy Diary is local, free and account-free ✨
A cozy, safe space of your own
Light to write, solid to protect
PIN & fingerprint lock
Lock with a 4-digit PIN and your fingerprint. Forgot your PIN? Recover it with a security question — no email needed.
Mood tracker & calendar
Pick one of 8 moods each day and your calendar fills with a month of mood faces. Keep a writing streak going too.
Autosave & 10 photos
Leave mid-sentence and nothing is lost. Attach up to 10 photos per entry and search everything by keyword.
Home screen widget
Log today's mood in one tap and jump straight into writing. The widget never shows your diary text.
Your data stays yours
Export your whole diary (photos included) as one backup file and import it on a new phone. Trash keeps deleted entries for 30 days.
Free with no surprises
No subscription, no paywall. Free forever, supported by ads.
See it in action
A warm, minimal cream design
Journal list with writing streak
A month of moods at a glance
Editor with moods and photos
PIN lock screen
How to start
Set your lock
Choose a 4-digit PIN and a security question. Turn on fingerprint if you like.
Pick a mood & write
Choose how today felt and write freely. Everything autosaves.
Look back monthly
Watch your calendar fill with moods and keep your streak alive.
Frequently asked questions
Is it really free?
Yes. There is no subscription, paywall, or in-app purchase. It's free forever and supported by ads.
Are my entries stored on a server?
No. Your diary is stored 100% on your phone. There is no account and no server, so there is nowhere to leak from.
What if I forget my PIN?
Answer the security question you set up and you can create a new PIN. No email verification needed.
Can I move my diary to a new phone?
Yes. Settings → Export backup file saves your whole diary (photos included) as one file. Import it on your new phone.
Can I write multiple entries per day?
Yes, as many as you like, with up to 10 photos each.
Start your first entry tonight
It takes less than a minute. Locked, quiet, and cozy.