# Pipe Sizer vs EcoMeter Pro

The clearest difference is price: EcoMeter Pro at Free against Pipe Sizer's $12.99. EcoMeter Pro also leads on update cadence (daily vs every 17 months) and rating (5.0 vs 4.8). Pipe Sizer's advantage is in-app purchases (none vs 2) and ratings volume (10 vs 1). On ads and device support there is nothing between them.

EcoMeter Pro is free to download; Pipe Sizer costs $12.99 up front. EcoMeter Pro sells 2 in-app purchases, starting at $4.99 per month. Pipe Sizer asks for nothing beyond the download.

EcoMeter Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Pipe Sizer has 10 ratings behind it against 1, so its average is the more settled of the two.

Pipe Sizer ships an update every 17 months, EcoMeter Pro daily. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Pipe Sizer | EcoMeter Pro |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | [4.8 (10 ratings)](https://appshunter.io/ios/app/pipe-sizer-water/id1316033381/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecometer-pro/id6755688522/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Daily** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 51 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pheinex, LLC](https://appshunter.io/developer/996932317) | [KYLE T WHITE](https://appshunter.io/developer/1855567390) |

## What reviewers say

### Pipe Sizer

[App page](https://appshunter.io/ios/app/pipe-sizer-water/id1316033381)

This app helps water piping system engineers and designers quickly and accurately design and analyze piping systems. It offers direct input for flow, friction, or velocity, with live calculation updates and support for various units and pipe materials.

**Highlights:** Quickly size new piping systems, Analyze existing piping systems, Direct input for flow, friction, or velocity, Live calculation updates, Supports SI and IP units, Works with steel, copper, and PVC pipes, Includes fluid data for water and glycols

**Features:** Vision Pro support

**In-app purchases:** none


### EcoMeter Pro

[App page](https://appshunter.io/ios/app/ecometer-pro/id6755688522)

This tool streamlines HVAC airflow balancing and reporting for technicians. It guides users through proportional balancing and generates professional PDF reports for residential and light commercial applications, ensuring speed and accuracy in the field.

**Highlights:** Proportional airflow balancing workflow, Standalone single-system balance reports (PDF), Outlet-level balancing summaries, Fast, repeatable field calculations, Customizable reports with company branding

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EcoMeter Standard – Monthly | $4.99 | per month |
| EcoMeter Standard – Yearly | $39.99 | per year |


## Frequently asked questions

### Is Pipe Sizer free?

Pipe Sizer costs $12.99, with no in-app purchases.

### Is EcoMeter Pro free?

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

### Which has better reviews, Pipe Sizer or EcoMeter Pro?

EcoMeter Pro is rated higher. Pipe Sizer averages 4.8 out of 5 from 10 ratings, while EcoMeter Pro averages 5.0 from 1 ratings.

### Do Pipe Sizer or EcoMeter Pro have ads?

Neither Pipe Sizer nor EcoMeter Pro shows ads.

### Which is updated more often, Pipe Sizer or EcoMeter Pro?

Pipe Sizer ships an update every 17 months, and EcoMeter Pro daily. Most recently, Pipe Sizer was updated on October 7, 2026 and EcoMeter Pro on September 30, 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.*