# Luopan Placement Ruler vs My Notes Safe Pro

The clearest difference is price: Luopan Placement Ruler at Free against My Notes Safe Pro's $0.99. Luopan Placement Ruler also leads on update cadence (every 3 days vs every 2 months). My Notes Safe Pro's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

Luopan Placement Ruler is free to download; My Notes Safe Pro costs $0.99 up front. Luopan Placement Ruler sells 1 one-off in-app purchase. My Notes Safe Pro asks for nothing beyond the download.

Luopan Placement Ruler ships an update every 3 days, My Notes Safe Pro every 2 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Luopan Placement Ruler | My Notes Safe Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.6 (25 ratings)](https://appshunter.io/ios/app/my-notes-safe-pro/id685962708/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 86.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | — | Paid |
| Size | 413 MB | 34 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHEUNG PUI MAN](https://appshunter.io/developer/291179028) | [炜 桂](https://appshunter.io/developer/599269607) |

## What reviewers say

### Luopan Placement Ruler

[App page](https://appshunter.io/ios/app/luopan-placement-ruler/id412370642)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数据无限保存 | $19.99 | one-time |


### My Notes Safe Pro

[App page](https://appshunter.io/ios/app/my-notes-safe-pro/id685962708)

Securely store and organize your notes with advanced password protection and dual password options. Customize your notes with various fonts and colors, and set reminders. Supports cloud backup and restore for peace of mind.

**Highlights:** Password protection with dual passwords, Customizable note appearance, Reminders for notes, Cloud backup and restore (iCloud, Dropbox, Google Drive, OneDrive), Easy note management with gestures, Multiple PIN entry styles

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

**In-app purchases:** none


## Frequently asked questions

### Is Luopan Placement Ruler free?

Luopan Placement Ruler is free to download, with in-app purchases available.

### Is My Notes Safe Pro free?

My Notes Safe Pro costs $0.99, with no in-app purchases.

### Do Luopan Placement Ruler or My Notes Safe Pro have ads?

Neither Luopan Placement Ruler nor My Notes Safe Pro shows ads.

### Which is updated more often, Luopan Placement Ruler or My Notes Safe Pro?

Luopan Placement Ruler ships an update every 3 days, and My Notes Safe Pro every 2 months. Most recently, Luopan Placement Ruler was updated on October 10, 2026 and My Notes Safe Pro on October 16, 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.*