# Notebook vs Diamond Diary Notes With Lock

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.

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.

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.

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

## The numbers

| Metric | Notebook | Diamond Diary Notes With Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14K ratings)](https://appshunter.io/ios/app/notebook-diary-and-journal-app/id654645301/reviews)** | [4.4 (8.6K ratings)](https://appshunter.io/ios/app/diamond-diary-notes-with-lock/id1437141637/reviews) |
| Number of ratings | **14K** | 8.6K |
| Positive reviews | **72.7% of reviews** | 49.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 123 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Koji Ito](https://appshunter.io/developer/334329056) | [Milica Petrovic](https://appshunter.io/developer/1436961056) |

## What reviewers say

### Notebook

[App page](https://appshunter.io/ios/app/notebook-diary-and-journal-app/id654645301)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/diamond-diary-notes-with-lock/id1437141637)

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:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $3.49 | per month |
| 1 Week Subscription | $6.99 | per 7 days |
| 6 Months Subscription | $17.99 | per 6 months |
| 1 Year Subscription | $28.99 | per year |
| 1 Year Subscription | $29.99 | per year |
| 1 Year Subscription | $59.99 | per year |
| Lock Diary | $1.99 | one-time |
| Remove ADs | $1.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Crashes and unexpected shutdowns
- Date display issues

**Requested features**

- Free locking option
- Fingerprint/passcode protection
- Improved scrolling and editing
- More font and customization choices


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*