# YKB3 vs PDF Scanner

The clearest difference is review sentiment: YKB3 at 40% against PDF Scanner's 0%. YKB3 also leads on in-app purchases (none vs 2) and rating (5.0 vs 4.8). PDF Scanner's advantage is ratings volume (32 vs 1) and update cadence (every 9 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $3.99 per 7 days. YKB3 asks for nothing beyond the download.

YKB3 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: PDF Scanner has 32 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of YKB3's written reviews are positive against 0% of PDF Scanner's.

YKB3 ships an update monthly, PDF Scanner every 9 days. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | YKB3 | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ykb3/id713440901/reviews)** | [4.8 (32 ratings)](https://appshunter.io/ios/app/pdf-scanner-documents-scan-plus/id6461824475/reviews) |
| Number of ratings | 1 | **32** |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Free** | Freemium |
| Size | 50 MB | 83 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Geeklink Intelligent Technology Co.,Ltd.](https://appshunter.io/developer/1525478107) | [Hendrych Kowalski](https://appshunter.io/developer/1703990075) |

## What reviewers say

### YKB3

[App page](https://appshunter.io/ios/app/ykb3/id713440901)

Control home appliances remotely using your iPhone via Wi-Fi. It supports various infrared, 315MHz, and 433MHz RF remote controls, along with feedback switches and cameras.

**Highlights:** Wi-Fi home appliance control, IR remote control compatibility, 315M/433M RF remote support, Remote appliance management, FB1 feedback switch support, Geeklink camera integration

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-documents-scan-plus/id6461824475)

Transform your device into a powerful mobile scanner for documents. Easily capture, edit, organize, and share files in various digital formats. Ideal for remote work, study, and small businesses.

**Highlights:** Smart scanning, Security & privacy, Document organization, Multiple export formats (PDF, JPG, DOC, XLS, PPT, TXT), Remote work and study capabilities

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is YKB3 free?

YKB3 is free to download, with no in-app purchases.

### Is PDF Scanner free?

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

### Which has better reviews, YKB3 or PDF Scanner?

YKB3 is rated higher. YKB3 averages 5.0 out of 5 from 1 ratings, while PDF Scanner averages 4.8 from 32 ratings.

### Do YKB3 or PDF Scanner have ads?

Neither YKB3 nor PDF Scanner shows ads.

### Which is updated more often, YKB3 or PDF Scanner?

YKB3 ships an update monthly, and PDF Scanner every 9 days. Most recently, YKB3 was updated on September 20, 2026 and PDF Scanner on September 19, 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.*