Calc4Key: Calculator Keyboard

Name: Calc4Key: Calculator Keyboard
Rating: 3.2 (123 reviews)
Author: KL Studio

By: KL Studio App

Calculator on keyboard

Overview

Google Play Store

Downloads

17,987 ▲ 111

Data as of 2026-07-16

Rating:

3.20

(123)

Version:

1.3

Last updated: 2024-07-15

Ranking

#440,687 ▼ 1,403

Overall

Features & Capabilities

Calc4Key is a handy Chrome extension that integrates a calculator directly into your keyboard, allowing you to perform calculations anytime without switching between apps or copying and pasting results. Once enabled in your system settings and selected as your keyboard, you simply launch Calc4Key, enable it with a tap, and start calculating on-the-go seamlessly. This extension enhances productivity by streamlining calculator access directly through your keyboard.

User Growth & Download Statistics

App Developer Tools

By:

Downloads:

Rating:

Version:

1.3 Last updated: 2024-07-15

Version code:

Creation date:

2021-09-17

Publisher country:

Size:

3.28MB

Email:

lb*****@gmail.com

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-07-16

Compare stats and ranking:

Ranking

# 440,687 ▼ 1,403

For Developers

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Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.

Developed by:

KL Studio

Google Play Store

https://play.google.com/store/apps/details?id=me.khangle.calc4key

Email:

lb*****@gmail.com

Website:

https://khangle.me

User Reviews

Users praise Calc4Key as a handy, well-liked tool for quick numeric input and simple calculations while using other apps. Major recurring issues are inability to switch keyboards, confusing or failing setup/visibility, and performance/reliability problems compared with the phone's built-in calculator.

Pros

Convenient for quick, inline calculations while using other apps
Good for simple numeric input and sending quick calculations
Generally liked by multiple users (positive feedback/approval)

Cons

Users frequently cannot switch back to other keyboards or find a way to change keyboards
Setup/visibility confusion — many report not seeing the Calc4Key keyboard icon or not knowing how to enable/use it
Performance and reliability complaints; some say it's worse than the phone's native calculator