# Sizing US/CA vs myTechnician

The clearest difference is review sentiment: myTechnician at 83% against Sizing US/CA's 11%. myTechnician also leads on rating (4.6 vs 3.2) and ads (none vs shown). Sizing US/CA's advantage is update cadence (every 6 weeks vs every 4 months) and iOS requirement (10.0 vs 15.1). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

myTechnician holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 13 and 36 respectively. Written reviews point the same way: 11% of Sizing US/CA's written reviews are positive against 83% of myTechnician's.

Sizing US/CA ships an update every 6 weeks, myTechnician every 4 months. The most recent releases landed on June 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Sizing US/CA | myTechnician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (13 ratings)](https://appshunter.io/ios/app/sizing-usca/id1420112805/reviews) | **[4.6 (36 ratings)](https://appshunter.io/ios/app/mytechnician/id1497041158/reviews)** |
| Number of ratings | 13 | **36** |
| Positive reviews | 11.1% of reviews | **82.8% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Ad-supported | **Free** |
| Size | 27 MB | 48 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gastite Products LLC](https://appshunter.io/developer/668653608) | [R. W. Beckett Corp.](https://appshunter.io/developer/1464039596) |

## What reviewers say

### Sizing US/CA

[App page](https://appshunter.io/ios/app/sizing-usca/id1420112805)

This utility app helps installers determine the correct size of flexible gas piping for their projects. It calculates the appropriate pipe size based on gas type, tubing length, supply pressure, and flow capacity. Users can also access installation guides and product information.

**Highlights:** Flexible gas pipe sizing, US and CA location selector, Automatic value adjustment, Certification card access, Installation guide viewer, Product search, Direct contact with developer

**Features:** macOS Compatibility

**In-app purchases:** none


### myTechnician

[App page](https://appshunter.io/ios/app/mytechnician/id1497041158)

This app connects wirelessly to advanced oil burner controls, allowing technicians to quickly program settings, diagnose faults, and view historical data. It helps reduce job time and eliminate callbacks for oil heat professionals.

**Highlights:** Wireless Bluetooth connection, Program burner settings, View control history, Diagnose current faults, Evaluate component trends, Supports GeniSys 7565 and 7505 controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Sizing US/CA free?

Sizing US/CA is free to download, with no in-app purchases.

### Is myTechnician free?

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

### Which has better reviews, Sizing US/CA or myTechnician?

myTechnician is rated higher. Sizing US/CA averages 3.2 out of 5 from 13 ratings, while myTechnician averages 4.6 from 36 ratings.

### Do Sizing US/CA or myTechnician have ads?

Sizing US/CA shows ads; myTechnician does not.

### Which is updated more often, Sizing US/CA or myTechnician?

Sizing US/CA ships an update every 6 weeks, and myTechnician every 4 months. Most recently, Sizing US/CA was updated on June 3, 2026 and myTechnician on September 22, 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.*