# PipeChecker vs AirCalc Psychrometric

The clearest difference is update cadence: AirCalc Psychrometric at weekly against PipeChecker's every 4 months. AirCalc Psychrometric also leads on price ($1.99 vs $7.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PipeChecker costs $7.99 and AirCalc Psychrometric $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PipeChecker ships an update every 4 months, AirCalc Psychrometric weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PipeChecker | AirCalc Psychrometric |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | — |
| Size | 27 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AIR DESIGN, INC.](https://appshunter.io/developer/923430781) | [Duong Nguyen Huu](https://appshunter.io/developer/1887479789) |

## 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


### AirCalc Psychrometric

[App page](https://appshunter.io/ios/app/aircalc-psychrometric/id6762062746)

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

**In-app purchases:** none


## Frequently asked questions

### Is PipeChecker free?

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

### Is AirCalc Psychrometric free?

AirCalc Psychrometric costs $1.99, with no in-app purchases.

### Do PipeChecker or AirCalc Psychrometric have ads?

Neither PipeChecker nor AirCalc Psychrometric shows ads.

### Which is updated more often, PipeChecker or AirCalc Psychrometric?

PipeChecker ships an update every 4 months, and AirCalc Psychrometric weekly. Most recently, PipeChecker was updated on November 3, 2026 and AirCalc Psychrometric 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.*