# Diamond Diary Notes With Lock vs Private Notes.

The clearest difference is review sentiment: Diamond Diary Notes With Lock at 50% against Private Notes.'s 14%. Private Notes.'s advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Diamond Diary Notes With Lock sells 8 in-app purchases, starting at $3.49 per month. Private Notes. asks for nothing beyond the download.

Diamond Diary Notes With Lock ships an update every 5 months, Private Notes. every 2 months. The most recent releases landed on September 27, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Diamond Diary Notes With Lock | Private Notes. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8.6K ratings)](https://appshunter.io/ios/app/diamond-diary-notes-with-lock/id1437141637/reviews)** | — |
| Number of ratings | **8.6K** | — |
| Positive reviews | **49.6% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 123 MB | 16 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Milica Petrovic](https://appshunter.io/developer/1436961056) | [WALABOK LLC](https://appshunter.io/developer/913827467) |

## What reviewers say

### 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


### Private Notes.

[App page](https://appshunter.io/ios/app/private-notes/id1539765495)

Securely store your personal thoughts, ideas, and text with a passcode or biometric authentication. This app offers intuitive text editing tools and a straightforward interface for organizing timestamped notes.

**Highlights:** Biometric and passcode security, Intuitive copy/paste/cut, Text formatting (underline, bold, italic), Timestamped notes, Straightforward user interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Diamond Diary Notes With Lock free?

Diamond Diary Notes With Lock is free to download, with in-app purchases available.

### Is Private Notes. free?

Private Notes. is free to download, with no in-app purchases.

### Do Diamond Diary Notes With Lock or Private Notes. have ads?

Both Diamond Diary Notes With Lock and Private Notes. show ads.

### Which is updated more often, Diamond Diary Notes With Lock or Private Notes.?

Diamond Diary Notes With Lock ships an update every 5 months, and Private Notes. every 2 months. Most recently, Diamond Diary Notes With Lock was updated on September 27, 2026 and Private Notes. on September 17, 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.*