# Diamond Diary Notes With Lock vs Invitation Card Designer

Diamond Diary Notes With Lock and Invitation Card Designer both sit at 4.4 stars, but that hides the real split: 50% of Diamond Diary Notes With Lock's written reviews are positive against 10% of Invitation Card Designer's. Diamond Diary Notes With Lock also leads on ratings volume (8.9K vs 101). Invitation Card Designer's advantage is update cadence (every 2 weeks vs every 5 months). On price, rating, ads and in-app purchases 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 and Invitation Card Designer sells 6 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Diamond Diary Notes With Lock against 4.5 for Invitation Card Designer. That said, the two scores are not equally well evidenced: Diamond Diary Notes With Lock has 8.9K ratings behind it against 101, so its average is the more settled of the two. Written reviews are what separate them: 50% of Diamond Diary Notes With Lock's written reviews are positive against 10% of Invitation Card Designer's.

Diamond Diary Notes With Lock ships an update every 5 months, Invitation Card Designer every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Diamond Diary Notes With Lock | Invitation Card Designer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (8.9K ratings)](https://appshunter.io/ios/app/diamond-diary-notes-with-lock/id1437141637/reviews) | **[4.5 (101 ratings)](https://appshunter.io/ios/app/invitation-card-designer/id1588194213/reviews)** |
| Number of ratings | **8.9K** | 101 |
| Positive reviews | **49.6% of reviews** | 9.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 123 MB | 223 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Milica Petrovic](https://appshunter.io/developer/1436961056) | [AheadCo LLC](https://appshunter.io/developer/6817619899) |

## 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


### Invitation Card Designer

[App page](https://appshunter.io/ios/app/invitation-card-designer/id1588194213)

Design custom invitations for any event with a variety of templates and AI-generated backgrounds. Personalize your cards with fonts and colors, then share them digitally or print them out. Make your special occasions memorable with unique designs.

**Highlights:** AI-generated backgrounds, Extensive template library, Customizable fonts and colors, Multiple export formats (PDF, PNG, GIF), Direct sharing via email and social media, Printable invitation options

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get 1 week at a special price | $6.99 | per 7 days |
| 2 Months Subscription | $17.99 | per 2 months |
| Get 1 month at a special price | $19.99 | per month |
| Invites and Digital Card Maker | $24.99 | per 3 months |
| 2 Month Subscription | $39.99 | per 2 months |
| Invites & Digital Card Maker | $59.99 | per year |


## 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 Invitation Card Designer free?

Invitation Card Designer is free to download, with in-app purchases available.

### Which has better reviews, Diamond Diary Notes With Lock or Invitation Card Designer?

Invitation Card Designer is rated higher. Diamond Diary Notes With Lock averages 4.4 out of 5 from 8.9K ratings, while Invitation Card Designer averages 4.5 from 101 ratings.

### Do Diamond Diary Notes With Lock or Invitation Card Designer have ads?

Both Diamond Diary Notes With Lock and Invitation Card Designer show ads.

### Which is updated more often, Diamond Diary Notes With Lock or Invitation Card Designer?

Diamond Diary Notes With Lock ships an update every 5 months, and Invitation Card Designer every 2 weeks. Most recently, Diamond Diary Notes With Lock was updated on November 3, 2026 and Invitation Card Designer on November 3, 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.*