My Diary, Journal with Lock

My Diary, Journal with Lock

4th floor apps

Available on Google Play
4.7(14,655)
1,000,000+ installsFreeLifestyle

Updated Oct 14, 2026 · v2.1.0

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My Diary - Daily Journal with lock: Diary journal app and secret diary with lock

My Diary is a private daily journal with lock: write down your day, track your mood, add photos and voice notes, and keep every entry safe behind a PIN. A secret diary that is simple to start and easy to keep. 🔒 Diary with lock • Password-protect your journal with a 4-digit PIN • Security question to recover a forgotten PIN • No account and no login required — your diary stays on your device ✍️ Write your daily diary • Unlimited entries, titles and tags • Fonts, text colours, sizes, alignment and indents • Beautiful backgrounds and themes, light and dark mode • Journal templates with prompts and questions for the days you don’t know how to start 📷 Photos and voice notes • Add photos to any entry and see them right in your diary • Record voice memos inside your journal — an audio diary for thoughts that are faster to say than to type 😊 Mood tracker and insights • Pick a mood emoji for every entry, or choose your own mood pack • See your moods on the calendar and spot patterns over weeks and months • Insights and statistics about your emotional well-being and journaling habits 🔍 Find anything • Search entries by keyword, tag or date • Filter by mood and tag, browse by month in the calendar view ☁️ Backup and restore • Back up your diary to Google Drive and restore it on a new phone • Automatic backup option so your memories are never lost 🔔 Reminders • A daily journaling reminder at the time you choose • Build the habit, one entry a day 🌍 Yours, anywhere • 13 languages • Works on phones and tablets • Free to use; Premium unlocks all themes, backgrounds, fonts and mood packs and removes ads My Diary is a personal journal, mood diary and secret diary in one app — for self-reflection, gratitude journaling, travel notes, a love diary, a dream journal, or simply recording your life day by day. Start your daily journal today and keep your memories private, organised and always with you.

Released
August 30, 2023

3 years on Google Play

Version
2.1.0
Updated
Oct 14, 2026
Content Rating
Everyone
Installs
1,000,000+
Developer
4th floor apps
Website
https://4thfloorapps.com/
Email
4thfloorapps.help@gmail.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5★
11,570
4★
2,338
3★
141
2★
141
1★
423