# SMartLuoPan vs PDFReader

The clearest difference is ads: SMartLuoPan at none against PDFReader's shown. SMartLuoPan also leads on update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. SMartLuoPan sells 2 in-app purchases, starting at $68.00 per year and PDFReader sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

SMartLuoPan ships an update weekly, PDFReader every 2 months. The most recent releases landed on September 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SMartLuoPan | PDFReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartluopan/id6471482764/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 14 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Scheherazade Merchant](https://appshunter.io/developer/1714457061) | [克 谢](https://appshunter.io/developer/1722475771) |

## What reviewers say

### 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 |


### PDFReader

[App page](https://appshunter.io/ios/app/pdfreader-ai-pdf-assistant/id6758230344)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $9.99 | per month |
| Yearly Pro | $49.99 | per year |


## Frequently asked questions

### Is SMartLuoPan free?

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

### Is PDFReader free?

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

### Do SMartLuoPan or PDFReader have ads?

PDFReader shows ads; SMartLuoPan does not.

### Which is updated more often, SMartLuoPan or PDFReader?

SMartLuoPan ships an update weekly, and PDFReader every 2 months. Most recently, SMartLuoPan was updated on September 25, 2026 and PDFReader on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*