# Luopan Placement Ruler vs SMartLuoPan

The clearest difference is update cadence: Luopan Placement Ruler at every 3 days against SMartLuoPan's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Luopan Placement Ruler sells 1 one-off in-app purchase and SMartLuoPan sells 2 in-app purchases, starting at $68.00 per year. Whichever you choose, the download price is not the number that matters.

Luopan Placement Ruler ships an update every 3 days, SMartLuoPan weekly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Luopan Placement Ruler | SMartLuoPan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartluopan/id6471482764/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 45.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 413 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHEUNG PUI MAN](https://appshunter.io/developer/291179028) | [Scheherazade Merchant](https://appshunter.io/developer/1714457061) |

## What reviewers say

### Luopan Placement Ruler

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

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

**In-app purchases (1)**

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


### SMartLuoPan

[App page](https://appshunter.io/ios/app/smartluopan/id6471482764)

This user-friendly app uses your device's compass and GPS to provide property viewing with landscape integration. It offers a straightforward way to understand directions and spatial orientation.

**Highlights:** Compass-based property viewing, GPS integration, Landscape aided views, User-friendly interface, Directional information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SMartLuoPan App | $68.00 | per year |
| SMartLuoPan App | $69.99 | one-time |


## Frequently asked questions

### Is Luopan Placement Ruler free?

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

### Is SMartLuoPan free?

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

### Do Luopan Placement Ruler or SMartLuoPan have ads?

Neither Luopan Placement Ruler nor SMartLuoPan shows ads.

### Which is updated more often, Luopan Placement Ruler or SMartLuoPan?

Luopan Placement Ruler ships an update every 3 days, and SMartLuoPan weekly. Most recently, Luopan Placement Ruler was updated on October 27, 2026 and SMartLuoPan on October 24, 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.*