# Calcularium vs Calculator´

The clearest difference is ads: Calculator´ at none against Calcularium's shown. Calculator´ also leads on iOS requirement (14.0 vs 18.0). Calcularium's advantage is update cadence (fortnightly vs every 5 weeks) and ratings volume (2.2K vs 465). On price, rating, review sentiment and in-app purchases 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 4 in-app purchases, starting at $0.49 per year. 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 4.6 for Calculator´. Both are backed by a comparable volume of ratings — 2.2K and 465 respectively. Written reviews split almost evenly too, at 67% and 68% positive.

Calcularium ships an update fortnightly, Calculator´ every 5 weeks. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Calcularium | Calculator´ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.2K ratings)](https://appshunter.io/ios/app/calcularium/id824113384/reviews) | [4.6 (465 ratings)](https://appshunter.io/ios/app/calculator/id878851717/reviews) |
| Number of ratings | **2.2K** | 465 |
| Positive reviews | 67.3% of reviews | **67.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 13 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [InVooDoo LLC](https://appshunter.io/developer/1173246186) | [Oval Software Oy](https://appshunter.io/developer/1438258178) |

## 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/id878851717)

This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.

**Highlights:** Live results and natural feel UI, User-definable advanced functions, History log with easy access, Customizable themes and colors, On-screen timer, iPad multitasking and Spotlight search

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard features w/ Free Week | $0.49 | per year |
| Standard features w/ Free Year | $0.49 | per year |
| Complete feature-set | $3.99 | per year |
| Converter + Graphing | $3.99 | one-time |

**What reviewers like**

- 👍 Clean and intuitive user interface
- 🚀 Fast and efficient performance
- 📊 Shows calculation progression like paper tape
- 🎨 Customizable appearance and themes
- 📱 Works well as iPhone/iPad replacement for default calculator

**What reviewers complain about**

- 💰 Switched to subscription model from free/one-time purchase
- 😤 Bait-and-switch pricing strategy
- 🔐 Paywall on basic features like clear button
- 📺 Ads and pop-ups introduced
- ⚠️ Removed features after update

**Reported bugs**

- Buttons below numbers 1, 2, 3 not responding
- App crashes when screen fills with numbers
- Numbers deleted backwards after full screen
- Swipe down converter doesn't work properly on iPad
- Pressing equals multiple times adds duplicate results

**Requested features**

- Haptic feedback support
- Fraction calculation support
- RPN mode
- iCloud sync for history
- Automatic parentheses


## 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´?

Calcularium and Calculator´ are both rated 4.6 out of 5 on the App Store, from 2.2K and 465 ratings respectively.

### Do Calcularium or Calculator´ have ads?

Calcularium shows ads; Calculator´ does not.

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

Calcularium ships an update fortnightly, and Calculator´ every 5 weeks. Most recently, Calcularium was updated on September 25, 2026 and 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.*