# Calcularium vs Calculator

The clearest difference is update cadence: Calcularium at fortnightly against Calculator's every 3 months. Calcularium also leads on ratings volume (2.2K vs 587). Calculator's advantage is iOS requirement (15.0 vs 18.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Calcularium sells 7 in-app purchases, starting at $3.99 per month and Calculator sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Calcularium against 4.7 for Calculator. Both are backed by a comparable volume of ratings — 2.2K and 587 respectively. Written reviews are what separate them: 67% of Calcularium's written reviews are positive against 64% of Calculator's.

Calcularium ships an update fortnightly, Calculator every 3 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calcularium | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.2K ratings)](https://appshunter.io/ios/app/calcularium/id824113384/reviews) | **[4.7 (587 ratings)](https://appshunter.io/ios/app/calculator-pro/id1538600973/reviews)** |
| Number of ratings | **2.2K** | 587 |
| Positive reviews | **67.3% of reviews** | 63.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 59 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InVooDoo LLC](https://appshunter.io/developer/1173246186) | [Appgeneration Software](https://appshunter.io/developer/386316599) |

## What reviewers say

### Calcularium

[App page](https://appshunter.io/ios/app/calcularium/id824113384)

This app offers real-time calculations, allowing you to see results as you type. It goes beyond basic arithmetic with advanced functions, unit conversions, and customizable expressions, acting as a powerful helper for complex calculations.

**Highlights:** Reactive Calculations, Voice Control (Siri), Script and Photo Input, Multi-Level Sub-Calculations, Editable History, Unit and Currency Conversion, Customizable Functions

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Almighty Version | $3.99 | per month |
| Almighty Version | $4.99 | per 6 months |
| InVooDoo One | $5.99 | per month |
| Almighty Version | $29.99 | per year |
| Unlock Pro Version | $199.99 | one-time |
| Lifetime Almighty Version | $199.99 | one-time |
| Remove Ads Only | $199.99 | one-time |

**What reviewers like**

- 🚀 Powerful and feature-packed
- 👍 Easy to use with great tutorials
- 🎨 Beautiful and customizable design
- 💡 Innovative features like real-time calculation
- 🙌 Excellent value for money

**What reviewers complain about**

- 🔍 Confusing or unintuitive interface
- 📢 Excessive advertisements
- 🐛 Calculation errors or inconsistencies
- 🔒 Limited functionality in free version

**Reported bugs**

- Crashes or freezes on certain devices
- Incompatibility with older iOS versions
- Issues with calculator widget functionality

**Requested features**

- Add basic calculator functions like equal and clear buttons
- Improve unit conversion and scientific functions
- Integrate with Shortcuts and Siri
- Provide more customization options


### Calculator

[App page](https://appshunter.io/ios/app/calculator-pro/id1538600973)

This app offers a versatile calculator with both basic and scientific functions. It includes advanced features like currency and unit conversions, customizable themes, and history tracking. Optimized for both portrait and landscape modes, it's designed for users needing precise calculations and conversions.

**Highlights:** Basic and scientific calculator, Currency converter, Unit converter, History and memory banks, Customizable themes, Portrait and landscape modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| myCalc - Calculator (1 month) | $0.99 | per month |
| Remove ads | $3.99 | one-time |

**What reviewers like**

- 👍 Very easy and intuitive to use
- 💰 Free to use without mandatory purchases
- 🔄 Multiple calculator modes (simple and scientific)
- 💱 Currency conversion functionality
- 📊 Visible calculation history on screen

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 📢 Ads appear before showing calculation results
- 🐛 Percentage calculations incorrect
- 🐛 Decimal place handling errors in continued calculations
- 🐛 History feature not functioning properly

**Reported bugs**

- Percentage calculation produces incorrect results (100+19%=100.19 instead of 119)
- Decimal places cause confusion in continued calculations
- History feature does not display entered operations
- App freezes or requires restart after ads
- Cannot input negative values for temperature conversions

**Requested features**

- Support for negative values in temperature calculations
- Ability to add custom currencies to the list
- Clear history button or selective equation deletion
- Better instructions and user guidance
- Standard calculator number grid layout


## Frequently asked questions

### Is Calcularium free?

Calcularium is free to download, with in-app purchases available.

### Is Calculator free?

Calculator is free to download, with in-app purchases available.

### Which has better reviews, Calcularium or Calculator?

Calculator is rated higher. Calcularium averages 4.6 out of 5 from 2.2K ratings, while Calculator averages 4.7 from 587 ratings.

### Do Calcularium or Calculator have ads?

Both Calcularium and Calculator show ads.

### Which is updated more often, Calcularium or Calculator?

Calcularium ships an update fortnightly, and Calculator every 3 months. Most recently, Calcularium was updated on October 26, 2026 and Calculator on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*