# Sizing US/CA vs Philly Scan

The clearest difference is rating: Philly Scan at 5.0 against Sizing US/CA's 3.2. Philly Scan also leads on ads (none vs shown) and update cadence (weekly vs every 6 weeks). Sizing US/CA's advantage is ratings volume (13 vs 2) and iOS requirement (10.0 vs 13.0). On price, 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.

Philly Scan holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Sizing US/CA has 13 ratings behind it against 2, so its average is the more settled of the two.

Sizing US/CA ships an update every 6 weeks, Philly Scan weekly. The most recent releases landed on September 30, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Sizing US/CA | Philly Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (13 ratings)](https://appshunter.io/ios/app/sizing-usca/id1420112805/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/philly-scan/id6758272125/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 27 MB | 17 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gastite Products LLC](https://appshunter.io/developer/668653608) | [Dorian Dishani](https://appshunter.io/developer/1854588585) |

## 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


### Philly Scan

[App page](https://appshunter.io/ios/app/philly-scan/id6758272125)

Quickly access official public property information for Philadelphia by searching an address. Get details like owner, sale history, market value, and zoning. Open the official tax site for payments and balance lookups.

**Highlights:** Search properties by address, View property owner information, See sale price and date, Check market value, View zoning classification, Access official tax site, Copy property details

**Features:** macOS Compatibility

**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 Philly Scan free?

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

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

Philly Scan is rated higher. Sizing US/CA averages 3.2 out of 5 from 13 ratings, while Philly Scan averages 5.0 from 2 ratings.

### Do Sizing US/CA or Philly Scan have ads?

Sizing US/CA shows ads; Philly Scan does not.

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

Sizing US/CA ships an update every 6 weeks, and Philly Scan weekly. Most recently, Sizing US/CA was updated on September 30, 2026 and Philly Scan on September 13, 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.*