ReadableCalc vs Calculator All
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.
Calculator All
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This calculator app integrates scientific calculation, multi-unit conversion, and AI calculation solution functions, serving as an efficient and practical calculation assistant on mobile devices. Scientific Calculation: Professional and Efficient Comprehensive Operation Support: Covers basic addition, subtraction, multiplication, division, mixed operations with parentheses, as well as complex scientific operations such as fractions, factorials, squares, square roots, power functions, trigonometric functions, and logarithms, accurately meeting calculation needs in various scenarios. Convenient Operation Experience: Supports real-time modification of input expressions without re-calculation; the calculation history completely records each step of the process, allowing for easy backtracking, archiving, copying, annotating, deleting, or re-calculating, thus improving calculation efficiency. Multi-Unit Conversion: Comprehensive and Practical Rich Conversion Categories: Covers 15 major types such as length, area, volume, speed, pressure, weight, temperature, and time, and supports conversion scenarios like currency exchange, meeting diverse unit conversion needs in work, study, and life. Fast and Accurate Conversion: Each type includes multiple subdivided units, and the converted result can be obtained instantly by entering the value. The interface is concise and intuitive, with simple operations, enabling even novice users to get started quickly. AI Calculation Solutions: Intelligent Assistance Step-by-Step Analysis of Difficult Problems: For complex problems in fields such as mathematics, physics, and economics, AI provides detailed problem-solving steps and ideas, not only giving the correct answers but also helping to understand the problem-solving logic. Whether you are a student, a professional, or a researcher, this all-in-one calculator app can solve calculation problems anytime and anywhere, bringing convenience to your daily life with its powerful performance and intelligent services. Download now to start an efficient calculation experience! Privacy Policy:https://sites.google.com/view/fast-calculation-0/privacy Eula:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: ReadableCalc at none against Calculator All's 2. ReadableCalc also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 15.0). 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. Calculator All sells 2 in-app purchases, starting at $6.99 per 7 days. ReadableCalc asks for nothing beyond the download.
ReadableCalc ships an update weekly, Calculator All every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | ReadableCalc | Calculator All |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | Numrise Limited |
In-app purchases
ReadableCalc
No in-app purchases
Calculator All
- Week subscription3 Days trial$6.997 Days
- Year subscription$59.991 Year









