# Lock Notes vs My Super Secret Diary Notes

The clearest difference is ads: Lock Notes at none against My Super Secret Diary Notes's shown. Lock Notes also leads on review sentiment (73% vs 45%) and update cadence (every 10 days vs every 6 weeks). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Lock Notes sells 3 in-app purchases, starting at $14.99 per year and My Super Secret Diary Notes sells 12 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Lock Notes holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 1.1K and 1.9K respectively. Written reviews point the same way: 73% of Lock Notes's written reviews are positive against 45% of My Super Secret Diary Notes's.

Lock Notes ships an update every 10 days, My Super Secret Diary Notes every 6 weeks. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Lock Notes | My Super Secret Diary Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/lock-notes-passcode-protect/id1033962570/reviews)** | [4.3 (1.9K ratings)](https://appshunter.io/ios/app/my-super-secret-diary-notes/id1367154224/reviews) |
| Number of ratings | 1.1K | **1.9K** |
| Positive reviews | **73.3% of reviews** | 45.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Subscription | Subscription |
| Size | 8 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JulyApps Ltd](https://appshunter.io/developer/427694580) | [Ivan Antic](https://appshunter.io/developer/1367134411) |

## What reviewers say

### Lock Notes

[App page](https://appshunter.io/ios/app/lock-notes-passcode-protect/id1033962570)

Securely store and protect your private notes with a passcode or Touch ID. Keep sensitive information like passwords, secrets, and diary entries safe from unauthorized access. Backup and sync notes across devices, customize their appearance, and even add images.

**Highlights:** Passcode and Touch ID protection, Security question recovery, iCloud backup and sync, Customizable font style and size, Insert images into notes, Print and share notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Backup | $14.99 | per year |
| Unlimited Notes | $4.99 | one-time |
| Lock Notes Pro | $9.99 | one-time |

**What reviewers like**

- 🔒 Secure notes
- 👍 Easy to use
- 🚀 Convenient
- 🔑 Passcode/biometric protection
- 💾 Cloud backup

**What reviewers complain about**

- 🔒 Limited free notes
- 💰 Paywall for advanced features
- 🐛 Crashes and data loss issues
- 🔍 Lack of search functionality
- 📁 No folder organization

**Reported bugs**

- Notes disappearing after updates
- Inability to access notes after device reset
- Sync issues between devices

**Requested features**

- Advanced formatting options
- Ability to change passcode
- Improved search capabilities
- Folder/organization system
- Better backup and restore options


### My Super Secret Diary Notes

[App page](https://appshunter.io/ios/app/my-super-secret-diary-notes/id1367154224)

Securely record your daily thoughts, memories, and secrets in a customizable digital journal. Protect your private entries with a lock and enhance them with photos, emoticons, and personalized designs. Your memories are safely stored and accessible across devices.

**Highlights:** Password/Touch ID protection, Calendar and list view, Search functionality, Customizable fonts and colors, Photo attachments, iCloud synchronization, Social media sharing

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Diary | $5.99 | per 7 days |
| PRO Diary | $19.99 | per year |
| Background Style 1 | $0.99 | one-time |
| Background Style 4 | $0.99 | one-time |
| Background Style 6 | $0.99 | one-time |
| Background Style 10 | $0.99 | one-time |
| Background Style 11 | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Long Audio Notes | $1.99 | one-time |
| Lock Notes | $2.99 | one-time |
| Pro Pack | $4.99 | one-time |
| Pro Pack | $14.99 | one-time |

**What reviewers like**

- 💕 Helps express feelings
- 📆 Calendar feature
- 🎨 Customizable fonts and themes
- 🔒 Secure for keeping secrets
- 📝 Convenient way to write diary entries

**What reviewers complain about**

- 💰 Need to pay to lock diary
- 🔒 Locking feature should be free
- 🐛 Issues with saving entries
- 🙄 Too many ads
- 📁 Lack of organization/file system

**Reported bugs**

- Entries disappearing after exiting app
- Date/time not displaying correctly
- App crashing or freezing
- Syncing issues across devices

**Requested features**

- Make locking feature free
- Add dark mode option
- Improve saving/syncing of entries
- Reduce ads or make them optional
- Implement a file/folder system


## Frequently asked questions

### Is Lock Notes free?

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

### Is My Super Secret Diary Notes free?

My Super Secret Diary Notes is free to download, with in-app purchases available.

### Which has better reviews, Lock Notes or My Super Secret Diary Notes?

Lock Notes is rated higher. Lock Notes averages 4.5 out of 5 from 1.1K ratings, while My Super Secret Diary Notes averages 4.3 from 1.9K ratings.

### Do Lock Notes or My Super Secret Diary Notes have ads?

My Super Secret Diary Notes shows ads; Lock Notes does not.

### Which is updated more often, Lock Notes or My Super Secret Diary Notes?

Lock Notes ships an update every 10 days, and My Super Secret Diary Notes every 6 weeks. Most recently, Lock Notes was updated on September 23, 2026 and My Super Secret Diary Notes on September 19, 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.*