# HVAC Pipe Sizer vs SoftExpert Maintenance

The clearest difference is review sentiment: HVAC Pipe Sizer at 71% against SoftExpert Maintenance's 0%. SoftExpert Maintenance's advantage is price (Free vs $4.99) and in-app purchases (none vs 1). On ads and device support there is nothing between them.

SoftExpert Maintenance is free to download; HVAC Pipe Sizer costs $4.99 up front. HVAC Pipe Sizer sells 1 one-off in-app purchase. SoftExpert Maintenance asks for nothing beyond the download.

HVAC Pipe Sizer ships an update every 8 months, SoftExpert Maintenance every 9 days. The most recent releases landed on September 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | HVAC Pipe Sizer | SoftExpert Maintenance |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 9 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 31 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Softexpert Software S.A](https://appshunter.io/developer/1497203659) |

## What reviewers say

### HVAC Pipe Sizer

[App page](https://appshunter.io/ios/app/hvac-pipe-sizer-liquid/id325069065)

Calculate pipe sizes for liquid systems, including hot and chilled water. Input flow rate, head loss, diameter, or velocity to determine other properties. Supports various liquids, pipe materials, and fittings, with English or metric units.

**Highlights:** Liquid pipe sizing, Hydronic system calculations, Input flow, head loss, diameter, or velocity, Calculate fluid flow and head loss, Supports various liquids and pipe materials, English and metric unit options, Email results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Equipment Locator | $9.99 | one-time |


### SoftExpert Maintenance

[App page](https://appshunter.io/ios/app/softexpert-maintenance/id1600482312)

This tool enables technicians to manage maintenance tasks both online and offline. It synchronizes data automatically when a network connection is available, ensuring seamless workflow even without connectivity.

**Highlights:** Online and offline maintenance execution, Data synchronization, Technician task management, Seamless workflow

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Pipe Sizer free?

HVAC Pipe Sizer costs $4.99, and also offers in-app purchases.

### Is SoftExpert Maintenance free?

SoftExpert Maintenance is free to download, with no in-app purchases.

### Do HVAC Pipe Sizer or SoftExpert Maintenance have ads?

Neither HVAC Pipe Sizer nor SoftExpert Maintenance shows ads.

### Which is updated more often, HVAC Pipe Sizer or SoftExpert Maintenance?

HVAC Pipe Sizer ships an update every 8 months, and SoftExpert Maintenance every 9 days. Most recently, HVAC Pipe Sizer was updated on September 26, 2026 and SoftExpert Maintenance on October 3, 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.*