# Piping DataBase vs Transformer Calculator Pro

The clearest difference is price: Transformer Calculator Pro at Free against Piping DataBase's $3.99. Piping DataBase's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 13.0). On ads and device support there is nothing between them.

Transformer Calculator Pro is free to download; Piping DataBase costs $3.99 up front. Transformer Calculator Pro sells 1 one-off in-app purchase. Piping DataBase asks for nothing beyond the download.

## The numbers

| Metric | Piping DataBase | Transformer Calculator Pro |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/piping-database-schedule/id355465488/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | — |
| Size | 3 MB | 64 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Radin Alcira](https://appshunter.io/developer/352538434) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## What reviewers say

### Piping DataBase

[App page](https://appshunter.io/ios/app/piping-database-schedule/id355465488)

This mobile reference tool provides essential data for piping engineers and professionals in various industries. It offers standard dimensions for steel and stainless steel pipes, supporting both US Customary and SI units.

**Highlights:** Standard pipe dimensions (OD, wall thickness, mass), Welded and seamless steel pipes, Wrought stainless steel pipes, Supports pipe sizes up to 80", Interchangeable US Customary and SI Units, Includes all Schedule and Identifications

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

**In-app purchases:** none


### Transformer Calculator Pro

[App page](https://appshunter.io/ios/app/transformer-calculator-pro/id6756908546)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


## Frequently asked questions

### Is Piping DataBase free?

Piping DataBase costs $3.99, with no in-app purchases.

### Is Transformer Calculator Pro free?

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

### Do Piping DataBase or Transformer Calculator Pro have ads?

Neither Piping DataBase nor Transformer Calculator Pro shows ads.

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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.*