Comparison

xKeyboard vs PDD Scanner

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

Head to head
About

xKeyboard

Design your own keyboard with custom layouts, keys, symbols, and Unicode characters. This app allows you to create specialized keyboards for various needs, from mathematical equations to phonetic alphabets, and use them across different text editing applications.

Highlights
  • Custom keyboard layouts
  • Symbol and Unicode integration
  • Specialized keyboards (Math, IPA, Chemistry)
  • Template-based creation
  • Use in text editing apps
Read full description

Using xKeyboard, you can create a custom keyboard that includes layout, keys, symbols, and Unicode. The created custom keyboard can be used in text editing software on iPhone and iPad, such as Word, PPT, Excel, notes, and can also be used in text editing boxes. Built-in Keyboards - Unicode Keyboard - ABC Keyboard - ASCII Keyboard - Digits Keyboard : Binary, Integer, Decimal, Octonary, Hexadecimal - Date & Time Keyboard - Color Keyboard - Collection Keyboard : Symbols, Words, Sentences, Images, Colors - IPA (International Phonetic Alphabet) Keyboard : IPA English ( DJ, K.K. ) - Subjects: Math, Chemistry, Music Language - Word Keyboards: English, French, German, Spanish ... - Code-Word Keyboards: Chinese Simplified, Chinese Traditional ... Culture - Astrology Keyboard: 12 zodiac signs, 10 celestial bodies, full set of aspects, elements, moon phases and auxiliary symbols - I Ching Keyboard - Chess Keyboard: Chess notation keyboard, chess symbols - Chinese Chess Keyboard: Chinese chess notation keyboard - Dice Keyboard - Mahjong Keyboard - Playing Cards Keyboard ---------- Custom - Layout: Custom layouts are better suited for specialized input scenarios. - Environment: Different environments have different rules - Certain keyboards can serve as templates, allowing you to build custom keyboards faster and more easily. ---------- Privacy : We DO NOT COLLECT ANY INFORMATION THAT YOU TYPE using this app. xKeyboard does not require network access, and Allow Full Access is not necessary. If users Allow Full Access, the following functions will be enabled: - Copy, Paste, Cut : these functions will call UIPasteboard APIs. ---------- Tips: 1. If the xKeyboard is not visible in Settings > Keyboards, then reboot the device and reinstall 2. If you could not find xKeyboard when tap globe key : Remove xKeyboard in the system settings, re-add it. ---------- Charging method: Most of the features of this software are paid for, but before purchasing, we hope that users can know if the software has the desired features and if it is possible to customize a keyboard that the user wants. Therefore, the software can be downloaded for free and allows users to try creating a keyboard before paying. Terms of Use : https://www.jianshu.com/p/b2a855c32ffe Privacy Policy : https://www.jianshu.com/p/46e225ffbc59

About

PDD Scanner

Discover and monitor power system controllers on your local network. This app automatically finds compatible devices using the MNDP protocol, providing real-time status updates and instant access to device web interfaces.

Highlights
  • Automatic device discovery via MNDP
  • HTTP network scanning for IP ranges
  • Secure challenge-response authentication
  • Real-time status monitoring (voltage, AC, uptime)
  • One-tap access to device web interfaces
  • Dark theme for professional monitoring
  • Subnet presets for quick network switching
Features
Read full description

PDD Scanner — Power Device Discovery Find and monitor Device power system controllers on your local network. PDD Scanner automatically discovers compatible devices using the MNDP protocol — just open the app and devices appear. FEATURES: • Auto-Discovery — devices announce themselves every 30 seconds • HTTP Network Scan — scan any IP range to find devices • Secure Authentication — challenge-response protocol, password never sent over network • Real-time Status — see bus voltage, AC status, rectifier count, uptime • One-tap Dashboard — open any device's web interface instantly • Dark Theme — professional monitoring interface • Subnet Presets — quick switch between common network ranges COMPATIBLE DEVICES: • DC RS232/RS485 Rectifier • DC Controller (ACS758 current sensor) • CAN-Bus/RS232/RS485 Sniffer PROTOCOL: • MNDP (UDP 64321) — automatic passive discovery • HTTP API — active network scanning • Secure Discovery — MD5 challenge-response authentication No account required. No cloud. Works entirely on your local network. © 2026 eviq.app Contact: ppd@ev.iq

Screenshots

xKeyboard4 screens
PDD Scanner4 screens

Verdict

The call

The clearest difference is review sentiment: PDD Scanner at 100% against xKeyboard's 39%. PDD Scanner also leads on rating (5.0 vs 3.2) and in-app purchases (none vs 3). xKeyboard's advantage is ratings volume (181 vs 1). 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. xKeyboard sells 3 in-app purchases, starting at $0.29 per month. PDD Scanner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PDD Scanner holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: xKeyboard has 181 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 39% of xKeyboard's written reviews are positive against 100% of PDD Scanner's.

Scorecard6 real differences · 4 level
xKeyboard versus PDD Scanner: the parameters behind the verdict, then further details
ParameterxKeyboardPDD Scanner
PriceFreeFree
Rating3.2 (181 ratings)5.0 (1 ratings) — better
Positive reviews39.2% of reviews100.0% of reviews — better
Number of ratings181 — better1
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size104 MB17 MB
Age rating4+4+
Developer煦 张High Speed Telecommunication

Customer experience

xKeyboard

All ratings181 ratings
Positive50.3%
Neutral14.9%
Negative34.8%
Written reviews125 reviews
Positive39.2%
Neutral20.8%
Negative40.0%

PDD Scanner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

xKeyboard

Reported bugs

3 issues
  • Crashes when trying to delete/edit keys
  • Installed keyboards don't show custom layouts
  • App crashes on certain script/language changes

Requested features

5 requests
  • Add ability to export/share custom keyboards
  • Improve keyboard customization workflow
  • Implement swipe typing and autocorrect
  • Add more language/script support
  • Allow creating custom characters/symbols

PDD Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

xKeyboard

Subscriptions2
  • VIP - 1 Month$0.291 Month
  • VIP - 1 Year$2.991 Year
One-time1
  • VIP - Lifetime$8.99
None

PDD Scanner

No in-app purchases

Questions

Is xKeyboard free?
xKeyboard is free to download, with in-app purchases available.
Is PDD Scanner free?
PDD Scanner is free to download, with no in-app purchases.
Which has better reviews, xKeyboard or PDD Scanner?
PDD Scanner is rated higher. xKeyboard averages 3.2 out of 5 from 181 ratings, while PDD Scanner averages 5.0 from 1 ratings.
Do xKeyboard or PDD Scanner have ads?
Neither xKeyboard nor PDD Scanner shows ads.

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