PrefixCalc vs AlphaCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrefixCalc
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This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022. Main Functions ・Support for arithmetic operations (+ - ×÷) ・Results converted to Japanese numerals for display ・Delete one character at a time with the "DEL" button Press and hold to delete all ・Press and hold to copy calculation formulas and results English (Short scale, Long scale) and Chinese numerals can also be selected. ・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc. Note: ・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes. Please note this when precision is required. ・Short scale and Long scale are currently supported up to 10^198. ・Kanji notation is supported up to 10^72. If it is greater than the number, it will be displayed in Arabic numerals.
AlphaCalc
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Struggling to find a calculator that's simple enough for daily tasks but powerful enough for complex math? Your search ends here. Meet AlphaCalc - Simple Calculator, the perfect tool that blends elegant design with robust functionality, making it the only calculator you'll ever need. A Seamless User Experience AlphaCalc is meticulously designed to be clean, intuitive, and visually stunning. We believe that a great tool should be a pleasure to use. Stunning Light & Dark Modes: Automatically sync with your system's theme or choose your favorite. Whether you're working late at night with Dark Mode or in bright daylight with Light Mode, AlphaCalc provides a comfortable viewing experience. Clutter-Free Interface: The minimalist layout ensures you can focus on your calculations without distractions. Large buttons and a clear, readable display make number entry effortless. All the Math You'll Ever Need From basic arithmetic to advanced scientific equations, AlphaCalc has you covered. It's a powerhouse built for students, professionals, and anyone in between. Basic Calculator Functions: Perfect for everyday tasks with addition, subtraction, multiplication, division, and percentage calculations. Advanced Scientific Calculator: Unlock a full suite of scientific functions, including: Trigonometry: sin, cos, tan, and their inverses (sin^-1, cos^-1, tan^-1). Logarithms: Handle log10, natural log (ln), and log2. Powers & Roots: Calculate exponents (x^y, x^2), square roots, and custom roots. Essential Functions: Includes factorials (!), reciprocals (1/x), parentheses for complex expressions, and constants like Pi and Euler's number (e). Smart Features to Boost Your Productivity AlphaCalc is more than just a calculator; it's a smart tool designed to streamline your workflow. Full Calculation History: Never lose track of your work again! Access a detailed list of all your previous calculations. Tap on any past entry to review or reuse it in a new calculation. Instant Result Sharing: Need to send your results to a classmate, colleague, or friend? The built-in share feature lets you instantly send a screenshot of your calculation through messaging, email, or your favorite social apps. Perfect for sharing homework solutions or project figures! Who is AlphaCalc for? Students: An indispensable school calculator for algebra, geometry, calculus, and trigonometry homework. Professionals & Engineers: A reliable tool for complex engineering calculations, financial analysis, and scientific data. Everyone: The perfect everyday calculator for budgeting, shopping, or any quick math problem life throws at you. Stop juggling complicated apps. Download AlphaCalc - Simple Calculator today for a fast, powerful, and beautiful calculation experience!
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Verdict
PrefixCalc and AlphaCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | PrefixCalc | AlphaCalc |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 28 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | LinkedByte Corporation |
In-app purchases
PrefixCalc
No in-app purchases
AlphaCalc
No in-app purchases
Questions
Is PrefixCalc free?
Is AlphaCalc free?
Do PrefixCalc or AlphaCalc have ads?
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