# Piping DataBase vs UTCal

The clearest difference is price: UTCal at Free against Piping DataBase's $3.99. UTCal also leads on update cadence (fortnightly vs every 4 months). Piping DataBase's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 17.6). On ads and device support there is nothing between them.

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

Piping DataBase ships an update every 4 months, UTCal fortnightly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Piping DataBase | UTCal |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Paid | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Radin Alcira](https://appshunter.io/developer/352538434) | [Tomas Ramirez](https://appshunter.io/developer/1894095882) |

## 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


### UTCal

[App page](https://appshunter.io/ios/app/utcal/id6762418371)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UTCal Pro | $14.99 | one-time |


## Frequently asked questions

### Is Piping DataBase free?

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

### Is UTCal free?

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

### Do Piping DataBase or UTCal have ads?

Neither Piping DataBase nor UTCal shows ads.

### Which is updated more often, Piping DataBase or UTCal?

Piping DataBase ships an update every 4 months, and UTCal fortnightly. Most recently, Piping DataBase was updated on October 16, 2026 and UTCal on October 19, 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.*