# Pipe Trades Pro Calc vs Gasket Master Flexitallic

Pipe Trades Pro Calc and Gasket Master Flexitallic both sit at 4.8 stars, but that hides the real split: 100% of Gasket Master Flexitallic's written reviews are positive against 43% of Pipe Trades Pro Calc's. Gasket Master Flexitallic also leads on in-app purchases (none vs 6) and iOS requirement (12.0 vs 14.0). Pipe Trades Pro Calc's advantage is update cadence (every 7 months vs every 62 months) and ratings volume (4.4K vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Pipe Trades Pro Calc sells 2 in-app purchases, starting at $4.99 per month. Gasket Master Flexitallic asks for nothing beyond the download.

Gasket Master Flexitallic holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Pipe Trades Pro Calc has 4.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 43% of Pipe Trades Pro Calc's written reviews are positive against 100% of Gasket Master Flexitallic's.

Pipe Trades Pro Calc ships an update every 7 months, Gasket Master Flexitallic every 62 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pipe Trades Pro Calc | Gasket Master Flexitallic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.4K ratings)](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gasket-master-flexitallic/id1133888600/reviews)** |
| Number of ratings | **4.4K** | 2 |
| Positive reviews | 42.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 62 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#160** | — |
| Size | 51 MB | 17 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Espresso Moon](https://appshunter.io/developer/1133888599) |

## What reviewers say

### Pipe Trades Pro Calc

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

**Currently charting:** #160 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


### Gasket Master Flexitallic

[App page](https://appshunter.io/ios/app/gasket-master-flexitallic/id1133888600)

This utility app allows users to easily search for and bookmark specific industrial sealing products. It facilitates the process of identifying desired items for later purchase. The application is designed for efficient product discovery and organization.

**Highlights:** Product search functionality, Bookmark favorite products, Streamlined ordering process, Product catalog access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Trades Pro Calc free?

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

### Is Gasket Master Flexitallic free?

Gasket Master Flexitallic is free to download, with no in-app purchases.

### Which has better reviews, Pipe Trades Pro Calc or Gasket Master Flexitallic?

Gasket Master Flexitallic is rated higher. Pipe Trades Pro Calc averages 4.8 out of 5 from 4.4K ratings, while Gasket Master Flexitallic averages 5.0 from 2 ratings.

### Do Pipe Trades Pro Calc or Gasket Master Flexitallic have ads?

Neither Pipe Trades Pro Calc nor Gasket Master Flexitallic shows ads.

### Which is updated more often, Pipe Trades Pro Calc or Gasket Master Flexitallic?

Pipe Trades Pro Calc ships an update every 7 months, and Gasket Master Flexitallic every 62 months. Most recently, Pipe Trades Pro Calc was updated on November 1, 2026 and Gasket Master Flexitallic on October 24, 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.*