3X Calculator

kuo ching liew Utilities iPhoneiPadiPod touch

3X Calculator is a free Utilities app for iPhone and iPad by kuo ching liew. Requires iOS 15.0. Updated August 20, 2026.

Price: Free; on the App Store
Size: 25 MB; Age 4+
Updated: Aug 20; 2026 · v10.3.0

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Screenshots

About 3X Calculator

3X Calculator is the first-ever 3-line calculator app that helps you to do calculations easily with easy amendment/modification to the equation. It is the standard calculator replacement and with 2 additional lines for easy calculation and wider display on a screen. Unit conversion for square feet to square meters, acres to square feet, acreage, rood, pole, kilometers per liter for fuel consumption is included

What’s new

Version 10.3.0 · Updated August 20, 2026

What’s New We’ve refreshed 3× Calculator with a cleaner and more polished experience. Added light and dark themes Redesigned expression editing and adjustment controls Added an option to restore the original expression Improved conversion controls and expression swapping Enhanced result alignment and number readability Refined saved calculations and navigation Faster numeric keypad input Undo and redo controls Optional keypad vibration in the side menu Clearer messages for invalid expressions and division by zero Long-press any result or total to copy it

App privacy

The developer, kuo ching liew, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

App details

3X Calculator is a free Utilities app for iPhone, iPad and iPod touch, developed by kuo ching liew. It requires iOS 15.0 or later and is 25 MB to download. It was first released on April 9, 2022 and last updated on August 20, 2026.

Category: Utilities
Price: Free
Version: 10.3.0
Size: 25 MB
Requires: iOS 15.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: April 9, 2022
Last updated: August 20, 2026
Developer: kuo ching liew

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Alternatives to 3X Calculator

Looking for apps like 3X Calculator? Here are 6 similar apps on the App Store. The highest rated is Real Citizen & GST Calculator (5.0/5), and 5 of the 6 are free to download.

3X Calculator vs. alternatives
App	Rating	Price	Last updated	Compare
3X Calculator	–	Free	August 20, 2026
Grid Calculator.	–	Free	Oct 26, 2026	Compare
Mila's Fuel & EV Converter	4.8 / 5 (6)	Free	Oct 13, 2026	Compare
Metric Conversions Premium	3.0 / 5 (2)	4.99 USD	Jul 18, 2025	Compare
Mila's Weight Converter	4.6 / 5 (37)	Free	Oct 13, 2026	Compare
Real Citizen & GST Calculator	5.0 / 5 (1)	Free	Mar 3, 2026	Compare
YKGA Calculator	–	Free	Oct 29, 2026	Compare

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