# Weico SEO Optimization vs PDF Scan

The clearest difference is ads: PDF Scan at none against Weico SEO Optimization's shown. Weico SEO Optimization's advantage is update cadence (daily vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Weico SEO Optimization sells 2 in-app purchases, starting at $1.99 per month and PDF Scan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Weico SEO Optimization ships an update daily, PDF Scan every 5 months. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Weico SEO Optimization | PDF Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weico-seo-optimization/id6457201899/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 35 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [冬冬 李](https://appshunter.io/developer/1532168808) | [YUJI Corp.](https://appshunter.io/developer/1721499403) |

## What reviewers say

### Weico SEO Optimization

[App page](https://appshunter.io/ios/app/weico-seo-optimization/id6457201899)

This mobile tool analyzes your website's SEO performance and offers professional recommendations to improve search engine rankings. It provides practical guidance for both beginners and experts to enhance online visibility and competitiveness.

**Highlights:** Comprehensive website SEO evaluation, Professional ranking enhancement recommendations, Tools for beginners and experts, Mobile web presence optimization, Search engine visibility improvement

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weico Month PRO | $1.99 | per month |
| Weico Year PRO | $14.99 | per year |


### PDF Scan

[App page](https://appshunter.io/ios/app/pdf-scan-quick-and-share/id6759897351)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $19.99 | one-time |


## Frequently asked questions

### Is Weico SEO Optimization free?

Weico SEO Optimization is free to download, with in-app purchases available.

### Is PDF Scan free?

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

### Do Weico SEO Optimization or PDF Scan have ads?

Weico SEO Optimization shows ads; PDF Scan does not.

### Which is updated more often, Weico SEO Optimization or PDF Scan?

Weico SEO Optimization ships an update daily, and PDF Scan every 5 months. Most recently, Weico SEO Optimization was updated on September 26, 2026 and PDF Scan on September 27, 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.*