# Kalkulators

> Expression calculator with variables, themes, and advanced functions via in-app purchase. (iPhone/iPad app by iPinsoft.)

- Source: https://appshunter.io/ios/app/kalkulators/id761590320 (this page in markdown: same URL + `.md`)
- Developer: [iPinsoft](https://appshunter.io/developer/344616291)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 21 MB
- Languages: American English
- Released: 2014-03-30
- Data updated: 2026-08-07
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/kalkulators/id761590320/reviews.md

## What is Kalkulators?

Kalkulators = expression calculators. 
Examples: 
1 + 2 + (5 - 2.345)
22.0 / 7 * (a +b)

Features:
- Expression: use numbers, parenthesis, operators:   +   -   *   /
- No need for an "=" button. Calculates as you type.
- Mathematical functions (with inApp purchase)
- Variables: use them in the expression. Useful for example, to change the values without editing the expression
- iPhone: "Basic" mode for quick calculations (no variables)
- Multiple Kalkulators
- Duplicate Kalkulator: easily compare results by using different values in an expression/variables
- Preferences: theme (light/dark), precision, thousands separator

With Kalkulators you will never need to write down those intermediate results.

Buy the Pro version from the in-App store to unlock it's full potential. Buy it once and unlock both the iPad and iPhone Pro features.

Note that Kalkulators is an iPad and iPhone app. Here are the differences

•  iPad:
- Albums: let's you organize your formulas (maximum 5)
- Formulas: let's you store your formulas (maximum 3/album)
- Kalkulators: open many kalkulators at the same time (maximum 2)
- Kalkulators variables: reference them in your formulas for quicker, more convenient calculations (2 variables)

•  iPhone:
- Formulas: let's you store your formulas (maximum 2)
- Kalkulators variables: reference them in your formulas for quicker, more convenient calculations (1 variable)

•  iPad and iPhone:
- Duplicate Kalkulators
- Two themes: light and dark
- User defined precision (decimals)

With the in-App purchase, this is what you get: 

•  iPad:
- Albums: maximum 100
- Formulas: maximum 100/album, no limit on the expression length
- Kalkulators: maximum 20
- Kalkulators variables: 10 variables
- Scientific keyboard with trigonometric and math functions

•  iPhone:
- Formulas: maximum 100, no limit on the expression length
- Kalkulators variables: 3 variables
- Scientific keyboard with trigonometric and math functions

## Key features

- Expression input with operators and parentheses
- Real-time calculation as you type
- Variable support for dynamic calculations
- Multiple calculator instances
- Customizable themes (light/dark)
- User-defined precision

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Kalkulators Pro | $0.99 | one-time |


## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/kalkulators/id761590320/reviews.md

### 5/5 — AMAZING AND USEFUL

*2020-05-08, version 1.5.1*

This app is simple and very useful. I like that I can do many calculations at once. I will never use another calculator app ever again!! This is it!!! Everyone should download!!

### 5/5 — Super useful

*2018-01-05*

Convenient for long equations 👍

### 5/5 — Muy útil

*2017-12-21, version 1.4.1*

Práctica y útil.

### 5/5 — Great app!!

*2017-09-08, version 1.4*

I'm not the best with technology so this app was very useful! It was straightforward, simple, and quick. Very good app, would recommend to anyone looking for something better and more efficient than the basic calculator app on the iPhone.

### 5/5 — Very useful 👍👍👍

*2017-01-28, version 1.4*

Very convenient to see ALL the numbers in a calculation. Also, I use it to compare different operations. 
I like the new BASIC mode.

### 5/5 — Useful

*2016-09-24, version 1.3.1*

Simple and convenient. Like that I don't have to press the equal sign 👍🏻

### 5/5 — Great app!

*2014-03-28, version 1.0*

Very user friendly! You don't need another app for calculations. This is THE one!

## Frequently asked questions about Kalkulators

### What is Kalkulators?

Kalkulators is an expression calculator that allows you to input complex mathematical expressions using numbers, operators, and variables. It calculates results in real-time as you type, eliminating the need for an equals button.

### Does Kalkulators have ads?

No, Kalkulators does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features.

### What are the in-app purchase options for Kalkulators?

The in-app purchase unlocks the Pro version, providing access to mathematical functions, increased limits for formulas and calculators, and more variables. This purchase is a one-time unlock for both iPad and iPhone Pro features.

### How does Kalkulators handle variables?

You can use variables within your expressions, allowing you to change values dynamically without retyping the entire expression. The number of variables supported differs between the iPhone and iPad versions, with more available in the Pro version.

### Can I organize my formulas in Kalkulators?

Yes, the iPad version allows for organizing formulas into albums, with a maximum of 5 albums and 3 formulas per album in the basic version. The Pro version significantly increases these limits to 100 albums and 100 formulas per album.

### What is the update frequency for Kalkulators?

Kalkulators was last updated on October 18, 2022, with version 1.5.2. While specific update frequency isn't detailed, the app has been available since 2014, indicating ongoing support.

### Is Kalkulators suitable for younger users?

Kalkulators has an age rating of 4+, making it suitable for a wide range of users. Its straightforward interface and clear calculation process are designed for ease of use.

### What devices does Kalkulators support?

Kalkulators is designed for Apple devices, specifically supporting iPhone, iPad, and iPod. The app offers slightly different features and limits across iPhone and iPad.

## Version history (last 5 releases)

### 1.5.2 — 2022-10-18

Bug fixes

### 1.5.1 — 2019-04-30

Bug Fixes

### 1.5 — 2018-08-08

- iPhone X support
- Added Portrait orientation support for BASIC mode
- Bug fixes and enhancements
- Requires iOS 10 or higher

### 1.4.1 — 2017-09-29

• iOS 11 support
• Bug fixes

Requires iOS 10 and higher

### 1.4 — 2017-01-19

• iOS 10 support
• iPhone: functions keyboard (with inApp purchase)
• Bug fixes and enhancements

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## More apps by iPinsoft

- [Kounters](https://appshunter.io/ios/app/kounters/id344616288)
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All apps by iPinsoft: https://appshunter.io/developer/344616291

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-07.*