MathKey vs Math Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MathKey
Easily convert handwritten math equations into LaTeX, MathML, or image formats. This app supports Apple Pencil input and offers a remote keyboard feature to paste content directly onto your computer. Customize output colors and choose between light and dark themes.
- Handwriting to LaTeX/MathML conversion
- Handwriting to image conversion
- Remote keyboard for computer pasting
- Customizable output colors
- Dark and light themes
- Apple Pencil support
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● Write the math expression with your finger or Apple Pencil. ● MathKey will convert your handwriting to : - LaTeX/MathML expression for Pages, Numbers, Word and any LaTeX/MathML compatible app. - image for any other app that is compatible with images. ● Remote Keyboard : connect MathKey to your computer via our website and paste generated content right on your computer ! ● Pick any color for both LaTeX, MathML and image output. You can save up to 20 colors. ● When converting to an image, paste it from the pasteboard or, on an iPad, drag-and-drop it. ● MathKey is powered by MyScript © Interactive Ink state-of-the-art technology. ● Dark & Light themes. Important : - An Internet connectivity is mandatory. - Quotas may be imposed in case of abusive use. - Although MyScript © Interactive Ink technology is very reliable, results are not guaranteed. - Apple Pencil works only with compatible iPad. - MathKey is a keyboard.
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
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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 review sentiment: MathKey at 48% against Math Keyboard's 0%. MathKey also leads on rating (3.9 vs 2.5) and in-app purchases (none vs 1). Math Keyboard's advantage is price (Free vs $4.99). On 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
Math Keyboard is free to download; MathKey costs $4.99 up front. Math Keyboard sells 1 one-off in-app purchase. MathKey asks for nothing beyond the download.
MathKey holds the better App Store score, 3.9 against 2.5. That said, the two scores are not equally well evidenced: MathKey has 337 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 48% of MathKey's written reviews are positive against 0% of Math Keyboard's.
MathKey ships an update every 2 weeks, Math Keyboard every 5 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.
| Parameter | MathKey | Math Keyboard |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.9 (337 ratings) — better | 2.5 (4 ratings) |
| Positive reviews | 47.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 337 — better | 4 |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 18 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Nicolas Dalbard | Yuta Nishimatsu |
Customer experience
MathKey
Math Keyboard
Bugs and requests
MathKey
Reported bugs
5 issues- Keeps asking to check internet connection even with good connection
- Crashes when used with iPad Pro keyboard cover
- Doesn't work on iPhone, only iPad
- Doesn't recognize cursive writing well
- Generates incorrect output for some equations
Requested features
5 requests- Add shortcut or button to quickly type $$ or \mk
- Allow editing of generated LaTeX code
- Provide larger preview of handwritten equations
- Add support for matrices and other advanced math notation
- Integrate with computational engines like Wolfram Alpha
Math Keyboard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
MathKey
No in-app purchases
Math Keyboard
- MathKeyboard Pro$5.99
Questions
Is MathKey free?
Is Math Keyboard free?
Which has better reviews, MathKey or Math Keyboard?
Do MathKey or Math Keyboard have ads?
Which is updated more often, MathKey or Math Keyboard?
Other comparisons
