Math Keyboard vs Unicode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.)
Unicode
Easily find and copy thousands of Unicode symbols organized into categories. Quickly access currency signs, punctuation, mathematical symbols, and more with a clean interface and one-tap copy functionality.
- Thousands of Unicode symbols
- Organized symbol categories
- Fast symbol search
- One-tap copy to clipboard
- Recently used symbols access
- Clean user interface
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Unicode+ is the symbol keyboard for iPhone. Find, copy and type thousands of Unicode symbols, math signs, special characters and glyphs in any app. Need a degree sign, a math symbol, an arrow or a check mark? Search for it or browse by category, tap once to copy, or type it straight from the Unicode+ keyboard without leaving the app you are in. WHAT YOU CAN FIND - Math symbols: plus-minus, square root, pi, infinity, not equal, sum, fractions, superscript and subscript - Signs and special characters: degree, check mark, copyright, trademark, currency signs - Arrows, stars, hearts, shapes and box drawing characters - Greek letters, accented letters, phonetic (IPA) symbols and glyphs FEATURES - Symbol keyboard: type any symbol in Messages, Notes, Mail and more - Fast search by name or keyword - Organized categories that are easy to browse - One-tap copy and paste - Recently used symbols for quick access - Clean, simple design Students, writers, designers, developers and anyone who needs the right character fast will feel at home in Unicode+. Legal : Privacy Policy https://retrytech.site/assets/unicode/privacy-policy.html Terms of Use https://retrytech.site/assets/unicode/terms-of-use.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Unicode at 5.0 against Math Keyboard's 3.3. Unicode also leads on update cadence (every 10 days vs every 3 weeks) and iOS requirement (17.6 vs 26.2). Math Keyboard's advantage is ratings volume (12 vs 3). On price, review sentiment, 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. Math Keyboard sells 1 one-off in-app purchase and Unicode sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Unicode holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews point the same way: 44% of Math Keyboard's written reviews are positive against 50% of Unicode's.
Math Keyboard ships an update every 3 weeks, Unicode every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Math Keyboard | Unicode |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (12 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 44.4% of reviews | 50.0% of reviews — better |
| Number of ratings | 12 — better | 3 |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.2 | 17.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuta Nishimatsu | RETRYTECH LLP |
Customer experience
Math Keyboard
Unicode
In-app purchases
Math Keyboard
- MathKeyboard Pro$5.99
Unicode
- Monthly$1.991 Month
- Lifetime$9.99









