# Piping and Flange Handbook vs Engineering Forms

The clearest difference is review sentiment: Engineering Forms at 100% against Piping and Flange Handbook's 39%. Engineering Forms also leads on price (Free vs $8.99). Piping and Flange Handbook's advantage is update cadence (monthly vs every 3 months) and iOS requirement (8.0 vs 12.4). On ads, in-app purchases and device support there is nothing between them.

Engineering Forms is free to download; Piping and Flange Handbook costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Piping and Flange Handbook ships an update monthly, Engineering Forms every 3 months. The most recent releases landed on September 22, 2026 and May 24, 2026 respectively.

## The numbers

| Metric | Piping and Flange Handbook | Engineering Forms |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/piping-and-flange-handbook/id351047141/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 39.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 6 MB | 19 MB |
| Requires iOS | **8.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [iTouch It Once Software Corp.](https://appshunter.io/developer/341489291) | [ITECH PROJECTS LTD](https://appshunter.io/developer/1411332906) |

## What reviewers say

### Piping and Flange Handbook

[App page](https://appshunter.io/ios/app/piping-and-flange-handbook/id351047141)

Access comprehensive piping and flange data on your mobile device. Quickly find dimensions, weights, and stud requirements for various pipe components, fittings, and flanges. Ideal for field professionals and designers needing instant access to critical information.

**Highlights:** CAD-generated component drawings, Metric & Imperial units, Browse and search piping by size/schedule, Flange type browsing, Calculate flange stud requirements, Dimensional and weight data

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

**In-app purchases:** none


### Engineering Forms

[App page](https://appshunter.io/ios/app/engineering-forms/id6479765443)

Streamline project management, contract handling, and validation processes for engineers. Generate detailed reports directly from your mobile device and sync seamlessly with a web portal for continued work on your laptop. Customize forms or build your own to suit various engineering trades.

**Highlights:** PPM contract management, Project and validation tracking, In-app report generation, Web portal synchronization, Customizable form builder, User and team management, Secure data sharing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piping and Flange Handbook free?

Piping and Flange Handbook costs $8.99, with no in-app purchases.

### Is Engineering Forms free?

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

### Do Piping and Flange Handbook or Engineering Forms have ads?

Neither Piping and Flange Handbook nor Engineering Forms shows ads.

### Which is updated more often, Piping and Flange Handbook or Engineering Forms?

Piping and Flange Handbook ships an update monthly, and Engineering Forms every 3 months. Most recently, Piping and Flange Handbook was updated on September 22, 2026 and Engineering Forms on May 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.*