# inchCALC+ vs Pipe Trades Pro Calc

The clearest difference is price: Pipe Trades Pro Calc at Free against inchCALC+'s $4.99. Pipe Trades Pro Calc also leads on rating (4.8 vs 3.7) and ratings volume (4.4K vs 17). inchCALC+'s advantage is in-app purchases (none vs 6) and review sentiment (74% vs 43%). On ads, chart position and device support there is nothing between them.

Pipe Trades Pro Calc is free to download; inchCALC+ costs $4.99 up front. Pipe Trades Pro Calc sells 2 in-app purchases, starting at $4.99 per month. inchCALC+ asks for nothing beyond the download.

Pipe Trades Pro Calc holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Pipe Trades Pro Calc has 4.4K ratings behind it against 17, so its average is the more settled of the two. Written reviews complicate that: 74% of inchCALC+'s written reviews are positive against 43% of Pipe Trades Pro Calc's, so the app with the better star average is not the one people write more warmly about.

inchCALC+ ships an update every 2 months, Pipe Trades Pro Calc every 7 months. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | inchCALC+ | Pipe Trades Pro Calc |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.7 (17 ratings)](https://appshunter.io/ios/app/inchcalc-plus/id293843441/reviews) | **[4.8 (4.4K ratings)](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100/reviews)** |
| Number of ratings | 17 | **4.4K** |
| Positive reviews | **74.4% of reviews** | 42.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#76** | #188 |
| Size | 19 MB | 51 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [River Studio](https://appshunter.io/developer/293841499) | [Calculated Industries](https://appshunter.io/developer/370406449) |

## What reviewers say

### inchCALC+

[App page](https://appshunter.io/ios/app/inchcalc-plus/id293843441)

**Currently charting:** #76 Top Paid · Utilities (US App Store)

This app is a professional-level calculator designed for working with feet, inches, and fractions, commonly used in construction and DIY projects. It simplifies complex calculations like addition, subtraction, multiplication, and division of these dimensions, transforming your device into a powerful measurement tool.

**Highlights:** Feet, inch, fraction calculations, Conversions to various units, Triangle function for rise, run, diagonal, pitch, Dual modes for simple and complex problems, Selective keyboard orientation, Built-in math functions (sqrt, square, pi, percent)

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent for feet and inches calculations
- 👍 Great for metric/imperial conversion
- 👍 Practical and easy to use
- 👍 Replaces expensive physical calculators
- 👍 Smooth calculations and easy unit conversion

**What reviewers complain about**

- 🐛 Crashes on newer iOS versions
- 🐛 Not worth the money compared to free apps
- 🐛 Missing simple but crucial features
- 🐛 Outdated UI, not optimized for modern screens
- 🐛 Buttons too small on landscape screen

**Reported bugs**

- Crashes on iOS 14.2
- Does not recognize numbers 1, 2, 3 in landscape on mini2 retina
- App freezes in landscape mode
- Latest update does not download on iPhone 3GS
- Not updated to fit any screen since iPhone 4

**Requested features**

- Add a tape-like function
- Improve vertical calculator conversion settings
- Add a history view option
- Allow storing and further calculation with results
- Add a backspace key


### Pipe Trades Pro Calc

[App page](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100)

**Currently charting:** #188 Top Grossing · Utilities (US App Store)

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

**Highlights:** Advanced measurement calculations, Fluid dynamics and pressure analysis, Comprehensive pipe data access, Offline functionality, User-centric interface, Material and dimension options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |

**What reviewers like**

- 🔢 Useful calculator tool
- 🧠 Helpful for pipe fitters and welders
- 📱 Convenient to have on mobile device
- 🔍 Accurate calculations

**What reviewers complain about**

- 💰 Subscription model is too expensive
- 🔒 Requires internet connection to verify subscription
- 🔄 Used to be a one-time purchase
- 🤔 Confusing transition from one-time to subscription

**Reported bugs**

- App freezes or stops working after updates
- Calculation errors with fractions
- Issues with reinstalling or transferring purchases

**Requested features**

- Ability to use app without subscription
- Support for larger pipe sizes
- Add a back/undo button
- Rotate screen orientation


## Frequently asked questions

### Is inchCALC+ free?

inchCALC+ costs $4.99, with no in-app purchases.

### Is Pipe Trades Pro Calc free?

Pipe Trades Pro Calc is free to download, with in-app purchases available.

### Which has better reviews, inchCALC+ or Pipe Trades Pro Calc?

Pipe Trades Pro Calc is rated higher. inchCALC+ averages 3.7 out of 5 from 17 ratings, while Pipe Trades Pro Calc averages 4.8 from 4.4K ratings.

### Do inchCALC+ or Pipe Trades Pro Calc have ads?

Neither inchCALC+ nor Pipe Trades Pro Calc shows ads.

### Which is updated more often, inchCALC+ or Pipe Trades Pro Calc?

inchCALC+ ships an update every 2 months, and Pipe Trades Pro Calc every 7 months. Most recently, inchCALC+ was updated on October 27, 2026 and Pipe Trades Pro Calc on October 26, 2026.

### Which is more popular, inchCALC+ or Pipe Trades Pro Calc?

inchCALC+ currently peaks at #76 in the App Store charts, and Pipe Trades Pro Calc at #188. Chart position reflects recent download velocity rather than total install base.

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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.*