# Note Lock ~ Keep your secret vs Self Reminder

The clearest difference is price: Self Reminder at Free against Note Lock ~ Keep your secret's $1.99. Self Reminder also leads on rating (4.7 vs 4.0) and in-app purchases (none vs 10). Note Lock ~ Keep your secret's advantage is ads (none vs shown) and review sentiment (53% vs 25%). On device support and iOS requirement there is nothing between them.

Self Reminder is free to download; Note Lock ~ Keep your secret costs $1.99 up front. Note Lock ~ Keep your secret sells 10 in-app purchases, starting at $1.99 per month. Self Reminder asks for nothing beyond the download.

Self Reminder holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Note Lock ~ Keep your secret has 153 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 53% of Note Lock ~ Keep your secret's written reviews are positive against 25% of Self Reminder's, so the app with the better star average is not the one people write more warmly about.

Note Lock ~ Keep your secret ships an update every 2 months, Self Reminder every 5 months. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Note Lock ~ Keep your secret | Self Reminder |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (153 ratings)](https://appshunter.io/ios/app/note-lock-keep-your-secret/id469850764/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/self-reminder-voice-assistant/id1069052838/reviews)** |
| Number of ratings | **153** | 3 |
| Positive reviews | **53.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [i-App Creation Co., Ltd.](https://appshunter.io/developer/360704053) | [CHI HAO CHIU](https://appshunter.io/developer/1059226484) |

## What reviewers say

### Note Lock ~ Keep your secret

[App page](https://appshunter.io/ios/app/note-lock-keep-your-secret/id469850764)

Securely store and manage private notes, ideas, and journals with advanced locking mechanisms and privacy features. Organize your thoughts with rich media, customization options, and backup capabilities.

**Highlights:** Folder and pattern lock, Anti-intruder surveillance, Self-destruct data option, Add pictures and stickers, Customizable themes and fonts, Backup and restore data, Calendar and hybrid views

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Note Lock PRO - Monthly | $1.99 | per month |
| Note Lock PRO - Yearly | $9.99 | per year |
| Pro Fonts | $1.99 | one-time |
| Special Fonts | $1.99 | one-time |
| Unique Fonts 1 | $1.99 | one-time |
| Unique Fonts 3 | $1.99 | one-time |
| Cute Fonts | $1.99 | one-time |
| Unique Fonts 2 | $1.99 | one-time |
| Unlock All Fonts | $6.99 | one-time |
| Unlock All In-app | $29.99 | one-time |

**What reviewers like**

- 🔒 Secure storage of private information
- 👍 Easy to use and intuitive interface
- 🚀 Quick access to notes
- 💡 Innovative decoy mode to deter snooping

**What reviewers complain about**

- 🐛 Frequent crashes and freezing issues
- 🔋 Concerns about data loss and lack of backup options
- 👎 Subscription model and loss of functionality in free version
- 🤯 Incompatibility with latest iOS versions

**Reported bugs**

- App crashes when opening notes
- Unable to rotate screen in landscape mode
- Password reset and migration issues when switching devices

**Requested features**

- Search function to easily find notes
- Ability to organize notes into folders
- Syncing and backup options (e.g., iCloud)
- Customization options for fonts, themes, and layouts


### Self Reminder

[App page](https://appshunter.io/ios/app/self-reminder-voice-assistant/id1069052838)

Record voice memos to set timely reminders for important tasks. This app allows you to use your own voice to create alerts, with options for different tones based on urgency. It acts as a personal voice assistant to help you remember crucial information.

**Highlights:** Record voice memos, Set timed reminders, Customizable urgency tones, Personal voice assistant, Multi-language support

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

**In-app purchases:** none


## Frequently asked questions

### Is Note Lock ~ Keep your secret free?

Note Lock ~ Keep your secret costs $1.99, and also offers in-app purchases.

### Is Self Reminder free?

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

### Which has better reviews, Note Lock ~ Keep your secret or Self Reminder?

Self Reminder is rated higher. Note Lock ~ Keep your secret averages 4.0 out of 5 from 153 ratings, while Self Reminder averages 4.7 from 3 ratings.

### Do Note Lock ~ Keep your secret or Self Reminder have ads?

Self Reminder shows ads; Note Lock ~ Keep your secret does not.

### Which is updated more often, Note Lock ~ Keep your secret or Self Reminder?

Note Lock ~ Keep your secret ships an update every 2 months, and Self Reminder every 5 months. Most recently, Note Lock ~ Keep your secret was updated on October 18, 2026 and Self Reminder on October 22, 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.*