Comparison

Secret Diary vs Diary with Lock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Secret Diary

Securely record your daily thoughts, memories, and secrets. This app allows you to add photos and track your moods, all protected by a passcode. Personalize your journal with themes and easily search past entries.

Highlights
  • Save memories, notes, and ideas
  • Add photos and mood emojis
  • Unlimited photo storage
  • Personalize UI with themes
  • Passcode protection and data encryption
  • Powerful search and filter functions
Features
Read full description

Your cute diary, with a lock. Memories turns every day into a scrapbook page. Write in a handwriting you love, add your photos, washi tape and stickers, and keep it all behind a lock only you can open. A LITTLE FRIEND FOR EVERY MOOD Choose your friend: Mochi the kitten, Bun the bunny, Peanut the hamster and more. They ask how your day went, cheer you on and hop for joy when you check in. EVERY DAY, A SCRAPBOOK PAGE • Write in 36 handwritings and fonts • Add photos and videos in cute frames • Decorate with 170+ stickers, washi tape and pretty papers • Snap a photo and turn it into a die-cut sticker • Draw and doodle with your finger or Apple Pencil YOUR YEAR IN COLOR • Log your mood in one tap: Bright, Good, Steady, Low or Heavy • See your whole year as a mood calendar • Find out what lifts you up HABITS AND PLANS, RIGHT NEXT TO YOUR DIARY • Build habits with gentle streaks • See today's tasks as a little timeline • Count down to the days you can't wait for PRIVATE AND SAFE • Lock your diary with Face ID, Touch ID or a passcode • Your entries stay yours. No ads, nothing shared MAKE IT YOURS • Pretty themes, friends and handwritings • Home screen widgets • Turn your year into a book to keep MEMORIES+ Writing, moods, the lock, reminders and export are always free. Memories+ adds every friend, theme, handwriting, sticker pack, frame and paper, unlimited photos and videos, unlimited habits, tasks and countdowns, your diary on iPhone and iPad with iCloud sync, and your full mood history. Memories+ is a subscription that renews automatically unless you cancel at least 24 hours before the end of the current period. You can manage or cancel it anytime in your App Store account settings. Terms of Use: https://nwlamll.github.io/apps/termsofuse.html Privacy Policy: https://nwlamll.github.io/apps/pp.html

About

Diary with Lock

Capture and cherish life's moments in a secure, beautifully designed digital journal. Add text, photos, and videos, track your mood and weather, and protect your entries with a passcode. Back up your memories to iCloud and export them as PDFs.

Highlights
  • Photo and text diary entries
  • Lock screen passcode protection
  • iCloud backup
  • Mood and weather tracking
  • Font customization
  • Intruder snapshots
  • PDF export
Features
Read full description

Welcome to iDiary – the ultimate diary app that combines the classic art of journaling with modern technology! With iDiary, you can easily capture and cherish all your precious moments in a beautifully designed and secure platform. Here are some of the key features that make iDiary the perfect diary app for you: - Photo and Text Diary Entries: Create rich and engaging diary entries by mixing text and photos and videos together. iDiary lets you capture your life's moments in an expressive and immersive way. - Lock Screen Passcode: Keep your diary entries safe from prying eyes with a secure lock screen passcode. Your secrets are safe with iDiary! - iCloud Backup: Never lose a single moment of your life again. iDiary automatically backs up your diary entries to iCloud, ensuring that all your memories are safe and secure. - Mood and Weather: Capture your mood and the weather each day to add an even deeper level of detail to your diary entries. - Font Customization: Choose from a variety of fonts to make your diary entries even more unique and personal. - Intruder Snapshots: iDiary automatically captures a photo of anyone who tries to access your diary without your permission. Keep your diary safe and secure at all times. - PDF Export: Export your diary entries as PDFs for easy sharing, printing, or archiving. Download iDiary today and start capturing all your precious moments in a secure and beautiful diary app! Privacy Policy: https://www.bytecrazy.com/common_privacy_en.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact Us: trudutton@gmail.com

Screenshots

Secret Diary4 screens
Diary with Lock4 screens

Verdict

The call

The clearest difference is review sentiment: Secret Diary at 91% against Diary with Lock's 0%. Secret Diary also leads on rating (4.8 vs 4.2) and update cadence (every 2 weeks vs every 3 months). Diary with Lock's advantage is monetization model (freemium vs subscription) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Secret Diary sells 2 in-app purchases, starting at $2.99 per month and Diary with Lock sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Secret Diary holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Secret Diary has 112 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 91% of Secret Diary's written reviews are positive against 0% of Diary with Lock's.

UpkeepUpdate frequency

Secret Diary ships an update every 2 weeks, Diary with Lock every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Secret Diary versus Diary with Lock: the parameters behind the verdict, then further details
ParameterSecret DiaryDiary with Lock
PriceFreeFree
Rating4.8 (112 ratings) — better4.2 (19 ratings)
Positive reviews90.6% of reviews — better0.0% of reviews
Number of ratings112 — better19
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size263 MB58 MB
Age rating+44+
DeveloperNawal AmallouHeyou Co., Ltd.

Customer experience

Secret Diary

All ratings112 ratings
Positive93.8%
Neutral4.5%
Negative1.8%
Written reviews53 reviews
Positive90.6%
Neutral7.5%
Negative1.9%

Diary with Lock

All ratings20 ratings
Positive80.0%
Neutral5.0%
Negative15.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Secret Diary

Reported bugs

5 issues
  • Forgot password not working
  • Password glitch
  • App shuts out sometimes
  • App cuts out and needs restarting
  • Password input issues (0-9 vs 1-4)

Requested features

4 requests
  • Make fingerprint ID free
  • Make advanced features free
  • More color options
  • More features

Diary with Lock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Secret Diary

Subscriptions2
  • Monthly Plan$2.991 Month
  • Annual Plan$17.991 Year
1 purchases

Diary with Lock

Subscriptions1
  • iDiary Pro7 Days trial$9.991 Year

Questions

Is Secret Diary free?
Secret Diary is free to download, with in-app purchases available.
Is Diary with Lock free?
Diary with Lock is free to download, with in-app purchases available.
Which has better reviews, Secret Diary or Diary with Lock?
Secret Diary is rated higher. Secret Diary averages 4.8 out of 5 from 112 ratings, while Diary with Lock averages 4.2 from 19 ratings.
Do Secret Diary or Diary with Lock have ads?
Neither Secret Diary nor Diary with Lock shows ads.
Which is updated more often, Secret Diary or Diary with Lock?
Secret Diary ships an update every 2 weeks, and Diary with Lock every 3 months. Most recently, Secret Diary was updated on November 7, 2026 and Diary with Lock on November 3, 2026.

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