xKeyboard vs Math Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Custom keyboard layouts
- Symbol and Unicode integration
- Specialized keyboards (Math, IPA, Chemistry)
- Template-based creation
- Use in text editing apps
Read full descriptionHide 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
Math Keyboard
This custom keyboard simplifies typing mathematical and physics symbols, including Greek letters and superscripts/subscripts. Seamlessly input formulas into any app without needing to copy and paste from external sources. Enhance your notes, reports, and messages with ease.
- Superscripts/subscripts for numbers, letters, and symbols
- Greek letters support
- Wide variety of math symbols
- Familiar keyboard layout
- Quick tab switching
- Cursor control via long-press
Read full descriptionHide full description
Struggling to type math symbols on your phone? Math Keyboard is a custom keyboard that lets you input the symbols, Greek letters, superscripts, subscripts, and more commonly used in math and physics — directly from your keyboard. No more searching the web every time just to copy a symbol. From class notes and reports to chats and memos, type math expressions smoothly in any app. 【Key Features】 Superscript / subscript for numbers, letters, and symbols Full Greek alphabet support Rich set of math symbols (basic) Custom keyboard support 【Highlights】 Same look and feel as the standard keyboard Shift key to toggle superscript / subscript (or uppercase / lowercase) Easy tab switching within the keyboard Long-press the Space key to move the cursor Add and reorder categories 【About Pro】 The free version has limited categories. Upgrade to Pro to unlock all categories, including: Standard alphabet Advanced math symbols (calculus) Arrows Logic & sets Custom keyboard You can also switch the alphabet display style between italic and regular. ※ This in-app purchase is a one-time payment. ※ To use this keyboard, you need to add it and enable "Allow Full Access" in the Settings app. (We do not collect any of your input — your privacy is fully protected.)
Screenshots
Verdict
The clearest difference is rating: xKeyboard at 3.2 against Math Keyboard's 2.5. xKeyboard also leads on review sentiment (39% vs 0%) and ratings volume (181 vs 4). On price, update cadence, ads and in-app purchases 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
Both are free to download. xKeyboard sells 3 in-app purchases, starting at $0.29 per month and Math Keyboard sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
xKeyboard holds the better App Store score, 3.2 against 2.5. That said, the two scores are not equally well evidenced: xKeyboard has 181 ratings behind it against 4, 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 0% of Math Keyboard's.
xKeyboard ships an update monthly, Math Keyboard every 5 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | xKeyboard | Math Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (181 ratings) — better | 2.5 (4 ratings) |
| Positive reviews | 39.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 181 — better | 4 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 103 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 煦 张 | Yuta Nishimatsu |
Customer experience
xKeyboard
Math Keyboard
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
Math Keyboard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
xKeyboard
- VIP - 1 Month$0.291 Month
- VIP - 1 Year$2.991 Year
- VIP - Lifetime$8.99
Math Keyboard
- MathKeyboard Pro$5.99









