# Secure Daily Diary vs Diary with Lock

The clearest difference is review sentiment: Secure Daily Diary at 71% against Diary with Lock's 0%. Secure Daily Diary also leads on update cadence (every 3 weeks vs every 3 months) and rating (4.6 vs 4.3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Secure Daily Diary sells 1 one-off in-app purchase and Diary with Lock sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Secure Daily Diary holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Secure Daily Diary has 452 ratings behind it against 20, so its average is the more settled of the two. Written reviews point the same way: 71% of Secure Daily Diary's written reviews are positive against 0% of Diary with Lock's.

Secure Daily Diary ships an update every 3 weeks, Diary with Lock every 3 months. The most recent releases landed on September 2, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Secure Daily Diary | Diary with Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (452 ratings)](https://appshunter.io/ios/app/secure-daily-diary/id1207570913/reviews)** | [4.3 (20 ratings)](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721/reviews) |
| Number of ratings | **452** | 20 |
| Positive reviews | **71.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 16 MB | 58 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Vynokurov](https://appshunter.io/developer/350017076) | [Heyou Co., Ltd.](https://appshunter.io/developer/1480358223) |

## What reviewers say

### Secure Daily Diary

[App page](https://appshunter.io/ios/app/secure-daily-diary/id1207570913)

Capture your thoughts and memories securely with a private journal. Protect your entries with a passcode, Face ID, or Touch ID. Enjoy a customizable experience with various themes and icons, all stored locally and synced via iCloud.

**Highlights:** Passcode, Face ID, or Touch ID protection, Local storage and iCloud sync, No third-party servers or sign-ups, 20+ color themes, Multiple app icons

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Diary | $9.99 | one-time |

**What reviewers like**

- 🔒 Password protection keeps entries secure
- 👍 Simple and intuitive user interface
- ✍️ Allows long, detailed diary entries
- 🎨 Customizable background colors
- 📋 Clean, condensed entry list view

**What reviewers complain about**

- 💰 Severely limited free storage (only 5 entries)
- 💸 Expensive paid upgrade ($4.99-$7.99)
- 🐛 Entries not saving or disappearing after updates
- 🔐 Password protection fails to work on app restart
- 🆘 Poor developer communication and support

**Reported bugs**

- Entries disappear after app update or reinstall
- Entries fail to save properly
- Password protection bypassed when reopening app
- Search function causes app to freeze/lock up
- Paid upgrade not registering - asks to repay

**Requested features**

- Photo/image upload and attachment capability
- Touch ID or biometric authentication
- Better background customization and decoration options
- Ability to write entries for past dates
- More creative design and styling options


### Diary with Lock

[App page](https://appshunter.io/ios/app/diary-with-lock-idiary/id1625609721)

Capture and cherish life's moments in a secure, beautifully designed digital journal. Add text, photos, and videos, track your mood and weather, and protect your entries with a passcode. Back up your memories to iCloud and export them as PDFs.

**Highlights:** Photo and text diary entries, Lock screen passcode protection, iCloud backup, Mood and weather tracking, Font customization, Intruder snapshots, PDF export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDiary Pro | $9.99 | per year |


## Frequently asked questions

### Is Secure Daily Diary free?

Secure Daily Diary is free to download, with in-app purchases available.

### Is Diary with Lock free?

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

### Which has better reviews, Secure Daily Diary or Diary with Lock?

Secure Daily Diary is rated higher. Secure Daily Diary averages 4.6 out of 5 from 452 ratings, while Diary with Lock averages 4.3 from 20 ratings.

### Do Secure Daily Diary or Diary with Lock have ads?

Neither Secure Daily Diary nor Diary with Lock shows ads.

### Which is updated more often, Secure Daily Diary or Diary with Lock?

Secure Daily Diary ships an update every 3 weeks, and Diary with Lock every 3 months. Most recently, Secure Daily Diary was updated on September 2, 2026 and Diary with Lock on September 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.*