Calculator vs ReadableCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
This universal calculator offers traditional functions plus advanced features like equation solving, geometric calculations, and derivative work. Its smart scanner can read math from text, making it ideal for students and daily use.
- Equation solving
- Geometric calculations
- Derivative calculations
- Smart scanner for text input
- Traditional calculator functions
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Andulator is a universal calculator designed for college and school students, as well as anyone who needs a reliable calculator in daily life. It provides all the traditional functionalities and much more: • Solve equations easily • Perform geometric calculations • Work with derivatives • Use the built-in smart scanner to instantly read numbers and operation symbols from handwritten or printed text Andulator combines powerful features with simplicity, making it the perfect tool for both learning and everyday use.
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.
Screenshots
Verdict
The clearest difference is iOS requirement: ReadableCalc at 12.0 against Calculator's 17.0. On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.
Calculator ships an update every 8 days, ReadableCalc weekly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | Calculator | ReadableCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 8 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Bytesly Technologies, LLC | YONAGARE LAB |
In-app purchases
Calculator
No in-app purchases
ReadableCalc
No in-app purchases









