# Calcularium vs Programmer's Calculator

The clearest difference is ads: Programmer's Calculator at none against Calcularium's shown. Programmer's Calculator also leads on iOS requirement (10.0 vs 18.0). Calcularium's advantage is update cadence (fortnightly vs every 6 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Calcularium sells 7 in-app purchases, starting at $3.99 per month and Programmer's Calculator sells 1 in-app purchase, 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 Programmer's Calculator. Both are backed by a comparable volume of ratings — 2.2K and 845 respectively. Written reviews are what separate them: 67% of Calcularium's written reviews are positive against 62% of Programmer's Calculator's.

Calcularium ships an update fortnightly, Programmer's Calculator every 6 months. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Calcularium | Programmer's Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.2K ratings)](https://appshunter.io/ios/app/calcularium/id824113384/reviews) | **[4.7 (845 ratings)](https://appshunter.io/ios/app/programmers-calculator/id1467603958/reviews)** |
| Number of ratings | **2.2K** | 845 |
| Positive reviews | **67.3% of reviews** | 62.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 21 MB |
| Requires iOS | 18.0 | **10.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [InVooDoo LLC](https://appshunter.io/developer/1173246186) | [Yuma Kitasei](https://appshunter.io/developer/1199831834) |

## 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


### Programmer's Calculator

[App page](https://appshunter.io/ios/app/programmers-calculator/id1467603958)

This application serves as a versatile calculator designed for programmers. It supports conversions and calculations across binary, decimal, and hexadecimal number systems.

**Highlights:** Binary number support, Decimal number support, Hexadecimal number support, Number system conversions, Programmer-focused calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium member | $0.99 | per month |

**What reviewers like**

- 🚀 Straightforward and highly functional
- 👍 Easy to use
- 💡 Useful for coding and calculations
- 👍 Practical for binary and hex operations
- 👍 Displays decimal, binary, and hex simultaneously

**What reviewers complain about**

- 🐛 Ads take too long to click out of
- 🐛 Subscription did not remove ads
- 🐛 App freezes and crashes
- 🔋 High battery consumption

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Add octal support
- Implement RPN input mode
- Add 2's complement and bit shift functions
- Provide visual feedback on calculations
- Allow setting number of bits


## Frequently asked questions

### Is Calcularium free?

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

### Is Programmer's Calculator free?

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

### Which has better reviews, Calcularium or Programmer's Calculator?

Programmer's Calculator is rated higher. Calcularium averages 4.6 out of 5 from 2.2K ratings, while Programmer's Calculator averages 4.7 from 845 ratings.

### Do Calcularium or Programmer's Calculator have ads?

Calcularium shows ads; Programmer's Calculator does not.

### Which is updated more often, Calcularium or Programmer's Calculator?

Calcularium ships an update fortnightly, and Programmer's Calculator every 6 months. Most recently, Calcularium was updated on September 25, 2026 and Programmer's Calculator on September 22, 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.*