# CDSiPipe vs PipeFit Pro

The clearest difference is in-app purchases: CDSiPipe at none against PipeFit Pro's 1. CDSiPipe also leads on rating (5.0 vs 4.7) and iOS requirement (9.0 vs 15.0). PipeFit Pro's advantage is update cadence (weekly vs every 4 months) and ratings volume (3 vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. PipeFit Pro sells 1 one-off in-app purchase. CDSiPipe asks for nothing beyond the download.

CDSiPipe holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CDSiPipe ships an update every 4 months, PipeFit Pro weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CDSiPipe | PipeFit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cdsipipe/id665877570/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/pipefit-pro-pipe-calculator/id6758904461/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 315 MB | 26 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Charles D. Sheehy, Inc.](https://appshunter.io/developer/665877574) | [Hung Vi Van](https://appshunter.io/developer/1846504927) |

## What reviewers say

### CDSiPipe

[App page](https://appshunter.io/ios/app/cdsipipe/id665877570)

This app serves as a comprehensive reference toolbox for process piping, HVAC, and MEP professionals. It provides detailed information on steel pipe and valve specifications, including dimensions, pressure ratings, coatings, and finishes. Users can quickly access data through an intuitive interface with picker wheels and drop-down menus.

**Highlights:** Steel pipe specifications (OD, ID, weight, volume, wall thickness), Valve pressure ratings and dimensions, Information on pipe coatings, finishes, and types, Explanations of valve types (Butterfly, Gate, Check, Globe, Ball), Glossaries of piping industry terms and abbreviations, FAQ sections for pipe and valve categories

**Features:** macOS Compatibility

**In-app purchases:** none


### PipeFit Pro

[App page](https://appshunter.io/ios/app/pipefit-pro-pipe-calculator/id6758904461)

This utility app simplifies complex pipe calculations for professionals like pipefitters and plumbers. It offers instant offset calculations, a custom fraction keypad for imperial units, and mitered bend calculations, all usable offline and with gloves.

**Highlights:** Instant offset calculations, Custom fraction keypad, Mitered bend calculator, Glove-friendly interface, Dark mode, 100% offline capability

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PipeFit Pro Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is CDSiPipe free?

CDSiPipe is free to download, with no in-app purchases.

### Is PipeFit Pro free?

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

### Which has better reviews, CDSiPipe or PipeFit Pro?

CDSiPipe is rated higher. CDSiPipe averages 5.0 out of 5 from 1 ratings, while PipeFit Pro averages 4.7 from 3 ratings.

### Do CDSiPipe or PipeFit Pro have ads?

Neither CDSiPipe nor PipeFit Pro shows ads.

### Which is updated more often, CDSiPipe or PipeFit Pro?

CDSiPipe ships an update every 4 months, and PipeFit Pro weekly. Most recently, CDSiPipe was updated on November 1, 2026 and PipeFit Pro on October 31, 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.*