Comparison

Notebook vs Diamond Diary Notes With Lock

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

Head to head
About

Notebook

This app offers a natural journaling experience by organizing daily notes on a single page, allowing you to flip through your entries like a physical book. It prioritizes simplicity, security with passcode locks, and seamless iCloud synchronization for easy access across devices.

Highlights
  • Realistic page-turning effect
  • One page per day organization
  • iCloud sync and backup
  • Passcode lock with Face ID/Touch ID
  • Dark mode and font adjustment
  • Ad-free Premium option
Features
Read full description

Record your days like turning the pages of a book. A simple, elegant note-taking and diary app designed to make journaling feel natural. Over 2 million downloads worldwide. Average rating 4.7 from over 21,000 reviews. Notebook is a simple and elegant note-taking and diary app that lets you flip through your digital journal like a real book. Each day’s notes are automatically organized on one page, ready to revisit anytime with a smooth page-turning effect. ■ Your day on one page Keep your daily notes and thoughts neatly organized. You can easily look back on yesterday, last week, or even last month. Swipe or tap to turn the page and rediscover your memories like reading a personal journal. ■ Simple and ready to use Tap the Compose button to write a new note. Change dates by tapping the date field, or adjust the font size with one tap. Copy or print your entries directly — everything is intuitive, no manual required. ■ iCloud sync and backup support Keep your data secure with iCloud synchronization and backup. Access your notes across multiple devices, and restore them easily when you get a new iPhone. No complicated setup needed. ■ Private and secure Protect your personal diary with a passcode lock (Face ID / Touch ID supported). Deleted notes can be recovered within 30 days from “Recently Deleted” in settings. ■ Premium for a distraction-free experience All basic features are free. Upgrade once to Premium (one-time purchase) to remove ads and enjoy a calm, focused writing experience. Your purchase can be restored anytime, even after changing devices. Features • Page-turning effect for a realistic book-like feel • One page per day for simple organization and review • iCloud sync and backup support • Passcode lock (Face ID / Touch ID) for privacy • Dark mode, search, and font adjustment • Ad-free with Premium (one-time purchase) • Restore deleted notes within 30 days • Copy, print, or share all notes at once Capture your everyday moments, one page at a time — in your own private notebook.

About

Diamond Diary Notes With Lock

Securely record your thoughts, memories, and ideas in a private digital journal. Personalize entries with photos, emoticons, and custom fonts. Protect your secrets with password, pattern, or biometric locks.

Highlights
  • Password/Biometric Lock
  • Add Photos & Emoticons
  • Customizable Fonts & Backgrounds
  • iCloud Sync
  • Search & Calendar View
  • Write & Edit Entries
Features
Read full description

Looking for a safe place for your secrets and memories? Diamond Diary Notes With Lock is the perfect journal app for you! Write about your dearest moments, ideas, write your love story and lock your notes! Have a cute glitter daily planner that will help you organize your life! Your new best friend is here, write all special thoughts and moments in a diamond diary that will be safe and well-hidden. You can attach photos, cute emoticons and say everything that's on your mind – without anyone judging you! Don't leave out a single detail and have the cutest glitter diamond diary that you can use to write new entries anytime and anywhere on your phone! How to use: ** Open your diary to write a new entry whenever you want ** ** Write a title for a new entry and add cute emoticons ** ** Choose fancy fonts and set font color ** ** Set cute backgrounds for your notes ** ** Add photos to your entries ** ** Search, modify and delete entries as you wish ** ** Lock the diary using a pattern, pin code, touch ID/ face recognition ** ** Set a recovery question and answer ** ** All notes will be saved on iCloud and available on both iPhone or iPad** ** You can share your notes with friends online, or post on social networks! ** With the most amazing diamond secret journal, you can share all your thoughts and write about your precious moments spent with family and friends! Something exciting happened at school today? Write it all out so you don't forget it! Search through your journal quickly and easily and have a calendar view of all your writings! Personalize your diary with emoticons, photos and selfies – create amazing stories that you will be happy to read over and over again. Have fun! Diamond Diary Notes With Lock is free to download but some of its options require additional payment and are available through In-App purchases. --------------- - Your subscription lasts 1 month, 6 months, or 1 year, depending on the subscription level chosen at the time of purchase. - You will be charged $2.99 for 1 month, $14.99 for 6 months, $23.99 for 1 year, depending on the subscription level chosen at the time of purchase. - Payment will be charged to your iTunes Account at confirmation of purchase. - Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current subscription. - Your account will be charged for a renewed subscription within 24 hours prior to the end of current subscription. You will be charged $2.99 for 1 month, $14.99 for 6 months, or $23.99 for 1 year, depending on your subscription level. - You can manage your subscription and switch off the auto-renewal by accessing your account settings after purchase. - You cannot cancel the current subscription during the active subscription period. - Any unused part or time-span of a free trial period will be forfeited, as soon as you purchase a subscription. - You can view our Privacy Policy here: https://www.appmastersstudio.com/privacy-policy/ - You can view our Terms of Service here: https://www.appmastersstudio.com/terms-of-use/

Screenshots

Notebook4 screens
Diamond Diary Notes With Lock4 screens

Verdict

The call

The clearest difference is update cadence: Notebook at every 9 days against Diamond Diary Notes With Lock's every 5 months. Notebook also leads on review sentiment (73% vs 50%) and rating (4.7 vs 4.4). Diamond Diary Notes With Lock's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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. Notebook sells 1 one-off in-app purchase and Diamond Diary Notes With Lock sells 8 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Notebook holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 14K and 8.6K respectively. Written reviews point the same way: 73% of Notebook's written reviews are positive against 50% of Diamond Diary Notes With Lock's.

UpkeepUpdate frequency

Notebook ships an update every 9 days, Diamond Diary Notes With Lock every 5 months. Both last shipped on September 24, 2026.

Scorecard5 real differences · 5 level
Notebook versus Diamond Diary Notes With Lock: the parameters behind the verdict, then further details
ParameterNotebookDiamond Diary Notes With Lock
PriceFreeFree
Rating4.7 (14K ratings) — better4.4 (8.6K ratings)
Positive reviews72.7% of reviews — better49.6% of reviews
Number of ratings14K — better8.6K
Update frequencyEvery 9 days — betterEvery 5 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size10 MB123 MB
Age rating4+4+
DeveloperKoji ItoMilica Petrovic

Customer experience

Notebook

All ratings14,310 ratings
Positive94.1%
Neutral3.2%
Negative2.8%
Written reviews271 reviews
Positive72.7%
Neutral12.2%
Negative15.1%

Diamond Diary Notes With Lock

All ratings8,622 ratings
Positive83.1%
Neutral5.8%
Negative11.1%
Written reviews647 reviews
Positive49.6%
Neutral10.7%
Negative39.7%

User reviews

Notebook

From 14K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🔒 Password protection
  • 💡 Convenient for journaling and note-taking
  • 🚀 Smooth and responsive
  • 👍 Organized by date

Room to improve

  • 🐛 Occasional crashes or glitches
  • 🚫 Unable to insert photos or attachments
  • 🚫 Limited formatting options
  • 🚫 No cloud sync or backup
  • 🚫 Not compatible with iPad

Diamond Diary Notes With Lock

From 8.6K App Store ratings

What we love

  • 💎 Customizable fonts and images
  • 📆 Organized calendar view
  • 🔒 Secure diary for personal thoughts
  • 📝 Convenient digital diary on phone

Room to improve

  • 💰 Paid lock feature
  • 🔍 Lack of free privacy options
  • 📢 Excessive ads
  • 🤔 Confusing date display

Bugs and requests

Notebook

Reported bugs

3 issues
  • Deleting entries causes the app to crash
  • Long entries can cause the app to become unresponsive
  • Password feature doesn't always work as expected

Requested features

5 requests
  • Add ability to insert photos and attachments
  • Implement cloud sync and backup
  • Allow more formatting options (font, size, color, bold, italic, etc.)
  • Develop an iPad version with optimized layout
  • Add a search function to easily find past entries

Diamond Diary Notes With Lock

Reported bugs

2 issues
  • Crashes and unexpected shutdowns
  • Date display issues

Requested features

4 requests
  • Free locking option
  • Fingerprint/passcode protection
  • Improved scrolling and editing
  • More font and customization choices

In-app purchases

1 purchases

Notebook

One-time1
  • Remove Ads$6.99
8 purchases

Diamond Diary Notes With Lock

Subscriptions6
  • 1 Month Subscription$3.491 Month
  • 1 Week Subscription3 Days trial$6.997 Days
  • 6 Months Subscription$17.996 Months
Show 3 more
  • 1 Year Subscription$28.991 Year
  • 1 Year Subscription$29.991 Year
  • 1 Year Subscription$59.991 Year
One-time2
  • Lock Diary$1.99
  • Remove ADs$1.99

Questions

Is Notebook free?
Notebook is free to download, with in-app purchases available.
Is Diamond Diary Notes With Lock free?
Diamond Diary Notes With Lock is free to download, with in-app purchases available.
Which has better reviews, Notebook or Diamond Diary Notes With Lock?
Notebook is rated higher. Notebook averages 4.7 out of 5 from 14K ratings, while Diamond Diary Notes With Lock averages 4.4 from 8.6K ratings.
Do Notebook or Diamond Diary Notes With Lock have ads?
Both Notebook and Diamond Diary Notes With Lock show ads.
Which is updated more often, Notebook or Diamond Diary Notes With Lock?
Notebook ships an update every 9 days, and Diamond Diary Notes With Lock every 5 months. Most recently, Notebook was updated on September 24, 2026 and Diamond Diary Notes With Lock on September 24, 2026.

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