# Installer App vs Pipe Flow Liquid Pipe Diameter

The clearest difference is rating: Pipe Flow Liquid Pipe Diameter at 4.6 against Installer App's 3.0. Pipe Flow Liquid Pipe Diameter also leads on update cadence (fortnightly vs every 5 weeks) and iOS requirement (11.0 vs 15.0). Installer App's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pipe Flow Liquid Pipe Diameter sells 1 one-off in-app purchase. Installer App asks for nothing beyond the download.

Pipe Flow Liquid Pipe Diameter holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 7 and 5 respectively.

Installer App ships an update every 5 weeks, Pipe Flow Liquid Pipe Diameter fortnightly. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Installer App | Pipe Flow Liquid Pipe Diameter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (7 ratings)](https://appshunter.io/ios/app/installer-app/id423984641/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-pipe-diameter/id1582795461/reviews)** |
| Number of ratings | **7** | 5 |
| Positive reviews | 53.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 67 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## What reviewers say

### Installer App

[App page](https://appshunter.io/ios/app/installer-app/id423984641)

This app provides HVAC professionals with a digital toolbox for everyday tasks. It offers product information, installation guides, and advanced features to streamline work, including project management and hydronic balancing tools.

**Highlights:** Radiator Presetting, Product Finder, My Projects (Cloud-based), Hydronic Balancing, Flow/Pressure Calculator, Floor Heating Tools, Burner Converter, Magnetic Tool

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

**In-app purchases:** none


### Pipe Flow Liquid Pipe Diameter

[App page](https://appshunter.io/ios/app/pipe-flow-liquid-pipe-diameter/id1582795461)

This app calculates the minimum internal pipe diameter required for a specific flow rate and maximum pressure loss. It offers comprehensive results, customizable databases for materials and fluids, and generates professional reports.

**Highlights:** Pipe diameter calculation, Friction loss calculation, Customizable material and fluid databases, Imperial and Metric unit support, Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Pipe Diameter | $4.99 | one-time |


## Frequently asked questions

### Is Installer App free?

Installer App is free to download, with no in-app purchases.

### Is Pipe Flow Liquid Pipe Diameter free?

Pipe Flow Liquid Pipe Diameter is free to download, with in-app purchases available.

### Which has better reviews, Installer App or Pipe Flow Liquid Pipe Diameter?

Pipe Flow Liquid Pipe Diameter is rated higher. Installer App averages 3.0 out of 5 from 7 ratings, while Pipe Flow Liquid Pipe Diameter averages 4.6 from 5 ratings.

### Do Installer App or Pipe Flow Liquid Pipe Diameter have ads?

Neither Installer App nor Pipe Flow Liquid Pipe Diameter shows ads.

### Which is updated more often, Installer App or Pipe Flow Liquid Pipe Diameter?

Installer App ships an update every 5 weeks, and Pipe Flow Liquid Pipe Diameter fortnightly. Most recently, Installer App was updated on October 14, 2026 and Pipe Flow Liquid Pipe Diameter on October 9, 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.*