ReadableCalc vs Big Number Calculator Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadableCalc
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ReadableCalc is a calculator app that displays large numbers—like 3 trillion 500 billion—in readable units. It’s designed to make extremely large numbers more intuitive at a glance. Main Features • Supports four basic operations (+, −, ×, ÷) • Displays results in English numeric units for easy readability • Handles decimals and negative numbers • DEL button for deleting one character at a time (Long press to clear the entire expression) • Long press on expressions or results to copy • Tap on the “readable” result to toggle display between: • Short scale / Long scale / Kanji numerals Additional features in landscape mode: • “00”, “000”, and “0000” buttons for quickly adding zeros • “x²” and “x³” buttons for quick exponentiation Note: • Numbers exceeding 200 digits may be rounded due to calculation and display limitations. Please be cautious if you need high precision. • Short scale and Long scale support numbers up to 10^198. • Kanji numeral display supports up to 10^72. Larger numbers are shown in Arabic numerals instead.
Big Number Calculator Pro
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Big Number Calculator Pro is a powerful calculator app designed to handle extremely large numbers that regular calculators simply can't process. Whether you're working with massive integers, performing high-precision arithmetic, or exploring mathematical problems beyond typical limits, this app is built to deliver accurate and efficient results. * Key Features: Supports calculations with very large integers and decimal numbers High-precision arithmetic operations (addition, subtraction, multiplication, division, exponentiation, etc.) Copy results to clipboard and paste input data from other sources Clean and user-friendly interface Ideal for mathematicians, engineers, researchers, and students needing extended numerical capabilities Optimized performance for handling complex, large-scale computations Big Number Calculator Pro breaks the boundaries of standard calculators—perfect for anyone who needs serious number-crunching power.
Screenshots
Verdict
The clearest difference is price: ReadableCalc at Free against Big Number Calculator Pro's $0.99. ReadableCalc also leads on iOS requirement (12.0 vs 15.6). On ads, in-app purchases 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
ReadableCalc is free to download; Big Number Calculator Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ReadableCalc | Big Number Calculator Pro |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | Tuyen Nguyen |
In-app purchases
ReadableCalc
No in-app purchases
Big Number Calculator Pro
No in-app purchases
Questions
Is ReadableCalc free?
Is Big Number Calculator Pro free?
Do ReadableCalc or Big Number Calculator Pro have ads?
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