# Techmaster vs Pipe Sizer

The clearest difference is price: Techmaster at Free against Pipe Sizer's $12.99. Techmaster also leads on update cadence (every 4 months vs every 17 months) and iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Techmaster is free to download; Pipe Sizer costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Techmaster ships an update every 4 months, Pipe Sizer every 17 months. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Techmaster | Pipe Sizer |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/pipe-sizer-water/id1316033381/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 17 months |
| Monetization | — | Paid |
| Size | 41 MB | 2 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Techmaster de Mexico](https://appshunter.io/developer/1262925786) | [Pheinex, LLC](https://appshunter.io/developer/996932317) |

## What reviewers say

### Techmaster

[App page](https://appshunter.io/ios/app/techmaster/id1262925787)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Techmaster free?

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

### Is Pipe Sizer free?

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

### Do Techmaster or Pipe Sizer have ads?

Neither Techmaster nor Pipe Sizer shows ads.

### Which is updated more often, Techmaster or Pipe Sizer?

Techmaster ships an update every 4 months, and Pipe Sizer every 17 months. Most recently, Techmaster was updated on September 27, 2026 and Pipe Sizer on September 20, 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.*