Comparison

Secret Diary With Passcode vs Mongle Haru

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

Head to head
About

Secret Diary With Passcode

This app provides a secure and user-friendly platform to record your daily life, emotions, and secrets. It offers features like password protection, mood selection, and photo attachments to help you preserve your memories privately.

Highlights
  • Password protection
  • Add photos to entries
  • Select moods for entries
  • Calendar overview
  • Search entries by text or mood
  • Customizable themes and fonts
Features
Read full description

Beautiful yet discrete, this amazing secret diary was created to be simple and user friendly just so that you can focus on writing your day to day life story as it happens. Either you want to keep your secret away from prying eyes, maybe a secret love story, or you just want to record your life's emotions as time passes, you now have a friend that listens to you without judging. You have the chance to own an elegant secret journal which is always there for you when you want to confess or when you want to relive great moments of your life. Lock all your secrets and take advantage of some great features that this diary offers you: DIARY ENTRIES - EASY TO USE - see all your diary entries at a glance - beautiful main screen calendar with great overview - create, modify, delete entries in a very simple and intuitive way - add pictures functionality - possibility to choose suggestive moods for each entry - emoji support - journal timeline - see your all your journal notes for a certain time period - search functionality - search entries by mood or containing text PASSWORD & LOCK - PRIVATE & PROTECTED - set a password(PIN code) to protect your diary secrets - change password whenever you want - disable or enable password CUSTOMIZATION - choose from different beautiful color styles/themes - choose from different text fonts - add, edit, delete moods - manage moods to best fit your emotions - add, edit, delete reminders - friendly reminder to write about your day - choose calendar first day of week (Sunday or Monday) - data reset functionality A beautiful diary for your amazing stories and secrets. Enjoy writing so that you can relive your lifetime moments.

About

Mongle Haru

This app provides a private space to track your daily moods and thoughts using cute stickers and a mindful writing feature. It offers insights into your emotional patterns and helps build a journaling habit with gentle reminders and a customizable interface.

Highlights
  • Adorable mood and weather stickers
  • Mindful writing space with photo attachment
  • Mood calendar for monthly reflection
  • Meaningful mood statistics and analysis
  • Private and safe backup with PDF export
  • Customizable themes and 14 language support
  • Gentle journaling habit reminders
  • Privacy lock for secure entries
Features
Read full description

On those really tough days. When your feelings are too tangled to name. When you just want a quiet place to check in with yourself. Mongle softly asks: "How was your day?" One line is enough. Just picking a sticker is perfectly fine. Your pace is the best pace. When you look back someday, you'll realize how meaningful each of those days really was. [Adorable Mood Stickers -- Your Personal Mood Tracker] Happy, excited, tired, sad, gloomy, anxious, angry -- 7 cute Mongle character stickers to express how you feel. When words aren't enough, a single sticker says it all. [Daily Wellness Check-In] Sunny, cloudy, rainy, snowy, windy, stormy, hot, overcast -- 8 weather stickers plus 8 body condition stickers to capture the full vibe of your day. A gentle daily check-in for your mind and body. [Mindful Writing Space] Write up to 5,000 characters freely. Attach photos, add timestamps. Customize text alignment, fonts, and font sizes to your liking. Whether it's one grateful thought or a full page of feelings, your style is perfect. [Mood Calendar -- Reflect on Your Month] Watch your calendar fill up with Mongle stickers day by day. See an entire month of emotions at a glance. The more stickers you collect, the more satisfying it feels. [Meaningful Mood Statistics] What emotion did you feel most this month? Check your mood distribution graph, TOP 3 emotions, day-of-week patterns, writing streak, and consistency rate. Small insights that help you understand your mental health journey. [Search & List View] Search past diary entries by keyword. Browse a full month of entries in list view. Your precious memories are always just a tap away. [Private & Safe Backup] Google Drive backup and iCloud sync keep your diary safe when you switch devices. Export monthly entries as PDF to create your own personal emotion archive. [Make It Yours] Light mode and dark mode. Warm coral tones to calm dark brown. Customize fonts and text sizes to match your style. Available in 14 languages. [Build a Journaling Habit -- Gentle Reminders] Set a daily reminder at your favorite time. Each notification comes with a different warm message, quietly encouraging you to write. No pressure, just a soft nudge toward a mindful habit. "You did great today. Want to jot down a little something?" [Home Screen Widget] Check your mood and start writing right from your home screen. [Privacy Lock] Protect your diary with screen lock. Your private journal stays private. [Mongle Collection -- A Healing Journey] 25 adorable Mongle characters across 6 categories: Record, Emotion, Explore, Special, Hidden, and Seasonal. Each comes in 4 rarity levels -- Common, Uncommon, Rare, and Epic. New characters appear naturally as you journal. Hidden Mongles are surprise discoveries! A charming collection that grows alongside your wellness journey. [No Ads While You Write -- Your Self Care Moment] Many diary apps interrupt your writing with ads. Mongle Haru never does that. The moment you pour out your feelings is sacred. No interruptions, no pop-ups -- that's our promise. You don't have to write every day. One sticker, one line -- that's more than enough. Your pace is the best pace. [Why Mongle Haru?] - The easiest way to start: just pick a sticker - Zero ads during your writing time - No pressure -- journal at your own pace - Collect 25 cute Mongle characters as you go - Mood calendar & statistics for mindful reflection - Private and safe with Google Drive & iCloud backup - Supports 14 languages Mongle is waiting for you today, too. "How was your day?" Start your Mongle Haru journey now. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.mongleharu.com/en/privacy-policy

Screenshots

Secret Diary With Passcode4 screens
Mongle Haru4 screens

Verdict

The call

The clearest difference is in-app purchases: Secret Diary With Passcode at none against Mongle Haru's 6. Secret Diary With Passcode also leads on ratings volume (8.2K vs 3) and iOS requirement (12.0 vs 16.0). Mongle Haru's advantage is update cadence (every 3 days vs every 6 weeks) and rating (5.0 vs 4.6). On price, ads, monetization model 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. Mongle Haru sells 6 in-app purchases, starting at $0.49 per month. Secret Diary With Passcode asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mongle Haru holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Secret Diary With Passcode has 8.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 83% of Secret Diary With Passcode's written reviews are positive against 100% of Mongle Haru's.

UpkeepUpdate frequency

Secret Diary With Passcode ships an update every 6 weeks, Mongle Haru every 3 days. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Secret Diary With Passcode versus Mongle Haru: the parameters behind the verdict, then further details
ParameterSecret Diary With PasscodeMongle Haru
PriceFreeFree
Rating4.6 (8.2K ratings)5.0 (3 ratings) — better
Positive reviews83.1% of reviews100.0% of reviews — better
Number of ratings8.2K — better3
Update frequencyEvery 6 weeksEvery 3 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size30 MB122 MB
Age rating4+4+
DeveloperBerce AlinKyungdoo Park

Customer experience

Secret Diary With Passcode

All ratings8,133 ratings
Positive91.4%
Neutral3.6%
Negative5.0%
Written reviews1,151 reviews
Positive83.1%
Neutral6.1%
Negative10.8%

Mongle Haru

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Secret Diary With Passcode

Reported bugs

3 issues
  • Incorrect date display on calendar
  • Entries disappearing after app updates
  • Password reset not working

Requested features

5 requests
  • Ability to edit/delete entries
  • Backup/sync options across devices
  • More customization options (colors, backgrounds, emojis)
  • Voice recording or video integration
  • Reminders and notification options

Mongle Haru

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Secret Diary With Passcode

No in-app purchases

6 purchases

Mongle Haru

Subscriptions2
  • Mongle Haru Plus$0.491 Month
  • Mongle Haru Plus$2.991 Year
One-time4
  • 5 Clouds$0.29
  • 23 Clouds$0.99
  • 64 Clouds$2.99
Show 1 more
  • 160 Clouds$5.99

Questions

Is Secret Diary With Passcode free?
Secret Diary With Passcode is free to download, with no in-app purchases.
Is Mongle Haru free?
Mongle Haru is free to download, with in-app purchases available.
Which has better reviews, Secret Diary With Passcode or Mongle Haru?
Mongle Haru is rated higher. Secret Diary With Passcode averages 4.6 out of 5 from 8.2K ratings, while Mongle Haru averages 5.0 from 3 ratings.
Do Secret Diary With Passcode or Mongle Haru have ads?
Both Secret Diary With Passcode and Mongle Haru show ads.
Which is updated more often, Secret Diary With Passcode or Mongle Haru?
Secret Diary With Passcode ships an update every 6 weeks, and Mongle Haru every 3 days. Most recently, Secret Diary With Passcode was updated on November 10, 2026 and Mongle Haru on November 9, 2026.

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