ReadableCalc vs GNT
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.
GNT
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Large numbers are written differently around the world. A value shown as 350 million in English may be written as 3.5亿 in Chinese or Japanese, 3.5억 in Korean, or 35 crore in the Indian system. Global Number Translator makes these unfamiliar formats easy to understand. Type or scan a printed number or price, and the app automatically detects its numbering system and currency. View the result in English, Chinese, Japanese, Korean, Indian, or Arabic—or compare all six systems at once. FEATURES • Translate large numbers across six global numbering systems • Scan printed numbers and prices using your camera • Detect currencies from symbols and surrounding language • Convert between USD, EUR, GBP, CNY, JPY, KRW, and INR • Compare every supported number system side by side • Spell out values using native number words and numerals • Understand 万, 亿, 만, 억, lakh, crore, and more • Save recent translations for quick reuse • Copy or share any result • Use the built-in reference guide to learn how number systems relate PRIVATE BY DESIGN Translations and camera recognition are processed locally on your device. The app has no accounts, advertising, analytics, or tracking. Public exchange rates are downloaded once per day and cached for offline use. No entered numbers, scanned text, photos, or personal information are transmitted.
Screenshots
Verdict
The clearest difference is iOS requirement: ReadableCalc at 12.0 against GNT's 15.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ReadableCalc | GNT |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | YONAGARE LAB | Sheng Hong Chen |
In-app purchases
ReadableCalc
No in-app purchases
GNT
No in-app purchases









