# PipeChecker vs SetsubiWorks HVAC Sizing Calc

The clearest difference is price: SetsubiWorks HVAC Sizing Calc at Free against PipeChecker's $7.99. SetsubiWorks HVAC Sizing Calc also leads on update cadence (every 5 days vs every 4 months). PipeChecker's advantage is in-app purchases (none vs 2) and iOS requirement (15.0 vs 17.0). On ads and device support there is nothing between them.

SetsubiWorks HVAC Sizing Calc is free to download; PipeChecker costs $7.99 up front. SetsubiWorks HVAC Sizing Calc sells 2 one-off in-app purchases. PipeChecker asks for nothing beyond the download.

PipeChecker ships an update every 4 months, SetsubiWorks HVAC Sizing Calc every 5 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PipeChecker | SetsubiWorks HVAC Sizing Calc |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AIR DESIGN, INC.](https://appshunter.io/developer/923430781) | [MASAYOSHI SUGIMOTO](https://appshunter.io/developer/6808413630) |

## What reviewers say

### PipeChecker

[App page](https://appshunter.io/ios/app/pipechecker/id1632174229)

This tool assists HVAC, sanitary, and plant piping engineers in selecting optimal pressure piping sizes with simple operations. It streamlines the design process for piping equipment technicians.

**Highlights:** Optimal pressure pipe sizing, Simplified operation, For piping equipment technicians, Supports HVAC, sanitary, and plant systems

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

**In-app purchases:** none


### SetsubiWorks HVAC Sizing Calc

[App page](https://appshunter.io/ios/app/setsubiworks-hvac-sizing-calc/id6808413628)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| 設備Works 製品版 | $3.99 | one-time |


## Frequently asked questions

### Is PipeChecker free?

PipeChecker costs $7.99, with no in-app purchases.

### Is SetsubiWorks HVAC Sizing Calc free?

SetsubiWorks HVAC Sizing Calc is free to download, with in-app purchases available.

### Do PipeChecker or SetsubiWorks HVAC Sizing Calc have ads?

Neither PipeChecker nor SetsubiWorks HVAC Sizing Calc shows ads.

### Which is updated more often, PipeChecker or SetsubiWorks HVAC Sizing Calc?

PipeChecker ships an update every 4 months, and SetsubiWorks HVAC Sizing Calc every 5 days. Most recently, PipeChecker was updated on October 8, 2026 and SetsubiWorks HVAC Sizing Calc on October 18, 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.*