# Calcularium vs Pipefitter_Pro

The clearest difference is price: Calcularium at Free against Pipefitter_Pro's $10.99. Calcularium also leads on rating (4.6 vs 3.0) and update cadence (fortnightly vs every 47 months). Pipefitter_Pro's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support there is nothing between them.

Calcularium is free to download; Pipefitter_Pro costs $10.99 up front. Calcularium sells 7 in-app purchases, starting at $3.99 per month. Pipefitter_Pro asks for nothing beyond the download.

Calcularium holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Calcularium has 2.2K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Calcularium's written reviews are positive against 50% of Pipefitter_Pro's.

Calcularium ships an update fortnightly, Pipefitter_Pro every 47 months. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calcularium | Pipefitter_Pro |
| --- | --- | --- |
| Price | **Free** | $10.99 |
| Rating | **[4.6 (2.2K ratings)](https://appshunter.io/ios/app/calcularium/id824113384/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/pipefitter-pro/id6444051340/reviews) |
| Number of ratings | **2.2K** | 2 |
| Positive reviews | **67.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 47 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#127** |
| Size | 52 MB | 50 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) | [Tomasz Szymanski](https://appshunter.io/developer/1043963851) |

## 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


### Pipefitter_Pro

[App page](https://appshunter.io/ios/app/pipefitter-pro/id6444051340)

**Currently charting:** #127 Top Paid · Productivity (US App Store)

This app is a pipe calculation tool that helps determine offsets, angles, and pipe segments. It offers a visual representation of angles and a slider for quick offset dimensioning, with dynamic angle updates. Future updates aim to include 3D angle calculations.

**Highlights:** Calculate pipe offsets, Determine angles, Calculate pipe segments, Visual angle representation, Slider for offset dimensioning, Dynamic angle updates

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calcularium free?

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

### Is Pipefitter_Pro free?

Pipefitter_Pro costs $10.99, with no in-app purchases.

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

Calcularium is rated higher. Calcularium averages 4.6 out of 5 from 2.2K ratings, while Pipefitter_Pro averages 3.0 from 2 ratings.

### Do Calcularium or Pipefitter_Pro have ads?

Calcularium shows ads; Pipefitter_Pro does not.

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

Calcularium ships an update fortnightly, and Pipefitter_Pro every 47 months. Most recently, Calcularium was updated on September 28, 2026 and Pipefitter_Pro on September 30, 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.*