Comparison

YKB3 vs PDF Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

YKB3

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
Read full description

YKB3-遥控宝软件 iPhone使用wifi连接控制家电。 兼容各种红外遥控、315M射频、433M射频遥控器。 支持远程家电控制。支持FB1反馈开关,支持极联摄像头。 详情请登录官网:http://www.geeklink.com.cn/ YKB3 software Users can use iPhone to control electric appliances via wifi It is compatible with IR remote control, 315M RF and 433M RF remote controller. It can not only remote control electric appliances, but also support FB1 and Geeklink camera. Please visit the official website at http://www.geeklink.com.cn/

About

PDF Scanner

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
Read full description

The PDF Scanner App transforms your iPhone or iPad into a high-powered mobile scanner, enabling rapid scanning, editing, storage, and sharing of various documents. Our intelligent scanning tool is indispensable for individuals engaged in remote work, on-the-go tasks, students, educators, as well as those participating in small-scale businesses such as accountants, real estate agents, managers, and lawyers. Convert essential files—contracts, tax forms, tickets, receipts, handwritten notes, assignments—into digital formats like PDF, JPG, DOС, XLS, PPT, or TXT, and effortlessly export them. With the PDF Scanner App, you can seamlessly work and study from anywhere, even in situations where a laptop or scanning/ printing equipment is unavailable. Features: - Smart Scanning - Security & Privacy - Document Organization - Available for iPhone and iPad Privacy Policy: http://pdf-scannerapp.tilda.ws/policy Terms of Use: http://pdf-scannerapp.tilda.ws/terms

Screenshots

YKB34 screens
PDF Scanner3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

YKB3 ships an update monthly, PDF Scanner every 9 days. The most recent releases landed on September 20, 2026 and August 23, 2026 respectively.

Scorecard7 real differences · 3 level
YKB3 versus PDF Scanner: the parameters behind the verdict, then further details
ParameterYKB3PDF Scanner
PriceFreeFree
Rating5.0 (1 ratings) — better4.8 (32 ratings)
Positive reviews40.0% of reviews — better0.0% of reviews
Number of ratings132 — better
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better11.0
Further details — not scored
Size50 MB83 MB
Age rating4+4+
DeveloperGuangzhou Geeklink Intelligent Technology Co.,Ltd.Hendrych Kowalski

Customer experience

YKB3

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive40.0%
Neutral40.0%
Negative20.0%

PDF Scanner

All ratings32 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

YKB3

No in-app purchases

2 purchases

PDF Scanner

Subscriptions2
  • Premium Weekly3 Days trial$3.997 Days
  • Premium Annual3 Days trial$49.991 Year

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 August 23, 2026.

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