# Calcularium

> Reactive Advanced Calculator

Canonical page: [https://chrome-stats.com/d/id824113384](https://chrome-stats.com/d/id824113384)

## Overview

- **ID:** `id824113384`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** InVooDoo LLC
- **Category:** Productivity
- **Rating:** 4.60 / 5 (2,174 ratings)
- **Version:** 3.6.34
- **Last updated:** 2025-12-29
- **First published:** 2014-02-26
- **Size:** 52 MB
- **Data as of:** 2026-09-17
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/calcularium/id824113384)
- **Website:** [https://invoodoo.one/calcularium](https://invoodoo.one/calcularium)
- **Privacy policy:** [https://www.invoodoo.com/privacy-policy](https://www.invoodoo.com/privacy-policy)

## Description

Calcularium is a reactive Chrome calculator that updates results in real time as you type or speak math queries. It supports script inputs, reusable expressions, variables, and a history you can edit and reuse, turning complex calculations into modular building blocks.

With thousands of conversions and built-in scientific functions, Calcularium handles units (350+) and currencies (160+), advanced search, and a token-based design for clear, reusable components. It’s designed for math, engineering, and finance tasks where you want speed, accuracy, and traceability.

## Rankings

- #39,133 — Overall
- #83 — script

## Review summary

Reviews praise Calcularium for its powerful feature set and overall strong value, with many users expressing love for the app. However, recurring complaints center on intrusive ads and upgrade prompts, the absence of a standard equals button and clear controls, and a sense of a complicated UI that hinders quick calculations. Some users also question the pricing model, feeling essential features are behind a paywall. Overall, the app is seen as high-quality and capable, but its monetization approach and usability hurdles limit broad satisfaction. Improvements in basic controls, ad reduction, and pricing clarity would help.

### Pros

- Powerful, feature-rich calculator with expressions and a broad range of functions.
- Makes math easier to perform and is highly valued by users.
- Generally positive sentiment with admiration for the app's capabilities.
- Visually appealing and polished design for a multifunctional calculator.

### Cons

- Excessive ads and upgrade prompts interrupting usage.
- Missing equals/enter button and basic controls, with some features gated behind a premium version.
- UI is perceived as overly complex or not user-friendly, making navigation and entry awkward.
- Pricing concerns and paywalls, including high premium costs and unclear value.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id824113384)