Comparison

xKeyboard vs Humming Level

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

Humming Level

Features
Read full description

Humming singing will be judged and evaluated with a score.

Screenshots

xKeyboard4 screens
Humming Level1 screens

Verdict

The call

The clearest difference is in-app purchases: Humming Level at none against xKeyboard's 3. Humming Level also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (15.8.3 vs 18.0). xKeyboard's advantage is ads (none vs shown). On price 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. Humming Level asks for nothing beyond the download.

UpkeepUpdate frequency

xKeyboard ships an update monthly, Humming Level every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
xKeyboard versus Humming Level: the parameters behind the verdict, then further details
ParameterxKeyboardHumming Level
PriceFreeFree
Rating3.2 (181 ratings) — better—
Positive reviews39.2% of reviews—
Number of ratings181 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.8.3 — better
Further details — not scored
Size104 MB44 MB
Age rating4+4+
Developer煦 张Hideaki Uchikoshi

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

Humming Level

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

Humming Level

No in-app purchases

Questions

Is xKeyboard free?
xKeyboard is free to download, with in-app purchases available.
Is Humming Level free?
Humming Level is free to download, with no in-app purchases.
Do xKeyboard or Humming Level have ads?
Humming Level shows ads; xKeyboard does not.
Which is updated more often, xKeyboard or Humming Level?
xKeyboard ships an update monthly, and Humming Level every 2 weeks. Most recently, xKeyboard was updated on November 3, 2026 and Humming Level on November 5, 2026.

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