# Diamond Diary Notes With Lock vs Inmobrix

The clearest difference is in-app purchases: Inmobrix at none against Diamond Diary Notes With Lock's 8. Inmobrix also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 months). Diamond Diary Notes With Lock's advantage is device support (3 vs 1). On price and iOS requirement 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. Inmobrix asks for nothing beyond the download.

Diamond Diary Notes With Lock ships an update every 5 months, Inmobrix every 2 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Diamond Diary Notes With Lock | Inmobrix |
| --- | --- | --- |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 10 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Milica Petrovic](https://appshunter.io/developer/1436961056) | [Occam Agencial Digital](https://appshunter.io/developer/1199513948) |

## 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


### Inmobrix

[App page](https://appshunter.io/ios/app/inmobrix/id6463127717)

**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 Inmobrix free?

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

### Do Diamond Diary Notes With Lock or Inmobrix have ads?

Diamond Diary Notes With Lock shows ads; Inmobrix does not.

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

Diamond Diary Notes With Lock ships an update every 5 months, and Inmobrix every 2 days. Most recently, Diamond Diary Notes With Lock was updated on October 14, 2026 and Inmobrix on October 8, 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.*