HELLOMAC vs Math Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HELLOMAC
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HELLOMAC is a powerful application for managing data from Maccaferri rockfall barrier warning systems. For a quick view of the network stations, main window is a geo-referenced map where you can easily check stations health and summary view last data acquire. Using an innovative data filter menu you can retrieve data, choose the stations of interest, display it in graphical or table format and manage alarm notification. Main features: Multi-user access to database by username and password speed and safe Geo referenced map for a quick view of network status Flexible settings of Stations of interest and Alarm notification Powerful data filters by station name, observation period and measurement to permit flexible data extraction Data visualization in graph and table format of data extracted Receive alarm notification from stations Multilanguage
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 in-app purchases: HELLOMAC at none against Math Keyboard's 1. HELLOMAC also leads on iOS requirement (13.0 vs 26.2). Math Keyboard's advantage is update cadence (every 5 weeks vs every 8 months). 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
Both are free to download. Math Keyboard sells 1 one-off in-app purchase. HELLOMAC asks for nothing beyond the download.
HELLOMAC ships an update every 8 months, Math Keyboard every 5 weeks. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.
| Parameter | HELLOMAC | Math Keyboard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.5 (4 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 8 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 14 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | NESA Srl | Yuta Nishimatsu |
In-app purchases
HELLOMAC
No in-app purchases
Math Keyboard
- MathKeyboard Pro$5.99









