Comparison

Code Snap vs Sizing US/CA

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Code Snap

Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.

Highlights
  • UPC & IPC code tables
  • Water line sizing calculator
  • DWV & H2O fitting take-offs
  • Interactive results
  • Color-coded data
  • Field-optimized interface
  • Share code and take-off values
Features
Read full description

An all-in-one plumbing reference built for professionals who need fast, reliable code data on the job. Code Snap combines UPC & IPC tables, fitting take-offs, and water line sizing into a single streamlined app designed for real-world use in the field. Quickly access the plumbing data you rely on without digging through books or PDFs. Whether you’re sizing pipe, laying out a system, or verifying clearances, Code Snap provides practical, jobsite-ready reference you can trust. Subscriptions Code Snap offers multiple subscription options, including individual feature access or a single subscription that unlocks all tools. Available options include: • UPC & IPC – Core plumbing tables, data, and code references • Main Line – UPC & IPC water line sizing calculator • Fitting Take Off – DWV & H2O fitting take-off dimensions • Unlock All – Access to all Code Snap features A subscription is required to unlock full access to app content. Features • Quick access to core plumbing tables • Toggle instantly between UPC & IPC • Water main and branch sizing calculations • DWV and H2O fitting take-offs • Interactive instant results • Color-coded per national standards • Editable take-off values • One-handed, field-optimized interface • Share code and take off values What’s Included • Waste, water, and hot water tank sizing • Grease interceptor sizing • Meter, main, vent, and trap arm sizing • Pipe bracing requirements • Fuel gas BTU loads and pipe sizing • Medical gas sizing, codes, and pressures (UPC only) • Roof drain sizing (UPC only) • ADA restroom diagrams and requirements • Interactive wet venting diagrams (vertical and horizontal) Fitting Libraries • No-Hub Cast Iron • ABS & PVC Plastic • Pro-Press Copper • DWV Sweat fittings • H2O Sweat fittings • 90s, 45s, tees, flanges, wyes, combination fittings, fixture crosses, and more Important Note Code Snap is an independent reference tool created for plumbers and plumbing professionals, based on publicly available data and established code principles. It is not affiliated with or endorsed by IAPMO, ICC, or any regulatory authority. Always verify requirements with the Authority Having Jurisdiction (AHJ) for your project. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sizing US/CA

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
Read full description

Size Gastite® and FlashShield™ flexible gas piping with this convenient and easy-to-use application for the iPhone. This app allows flexible gas pipe installers to determine the appropriate size Gastite pipe recommended for the installation at hand. Based on the project’s gas type, length of tubing run, supply pressure, pressure drop, and flow capacity – the app will calculate the appropriate size Gastite/FlashShield CSST for your application.
 
 Features
: Includes a location selector for US and CA 
 Scroll wheel automatically adjusts depending on values selected Find your certification card to link a digital version to your device
 FAQs View the latest Design and Installation Guide Search for Gastite and FlashShield products Contact Page submits questions and requests directly to Gastite 
The Gastite and FlashShield flexible gas piping systems are designed and warranted to provide sufficient gas volume and pressure for proper appliance performance using the appropriate sizing tables and methods detailed in the Design and Installation Guide and this Mobile Sizing App. 
Accordingly, the design pressure loss on the Gastite and FlashShield piping system under maximum probable flow conditions, from the point of delivery to the inlet connection of the equipment shall be such that the supply pressure at the equipment is greater than the minimum pressure required for proper equipment operation. Minimum Requirements - iOS version 8

Screenshots

Code Snap4 screens
Sizing US/CA4 screens

Verdict

The call

The clearest difference is review sentiment: Code Snap at 87% against Sizing US/CA's 11%. Code Snap also leads on rating (4.7 vs 3.2) and ads (none vs shown). Sizing US/CA's advantage is in-app purchases (none vs 14) and iOS requirement (10.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Code Snap sells 12 in-app purchases, starting at $0.99 per month. Sizing US/CA asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Code Snap holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Code Snap has 231 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 87% of Code Snap's written reviews are positive against 11% of Sizing US/CA's.

UpkeepUpdate frequency

Code Snap ships an update every 2 months, Sizing US/CA every 6 weeks. The most recent releases landed on September 21, 2026 and June 3, 2026 respectively.

Scorecard7 real differences · 3 level
Code Snap versus Sizing US/CA: the parameters behind the verdict, then further details
ParameterCode SnapSizing US/CA
PriceFreeFree
Rating4.7 (231 ratings) — better3.2 (13 ratings)
Positive reviews86.7% of reviews — better11.1% of reviews
Number of ratings231 — better13
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationSubscriptionAd-supported — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.010.0 — better
Further details — not scored
Size77 MB27 MB
Age rating4+17+
DeveloperMagnitude LLCGastite Products LLC

Customer experience

Code Snap

All ratings231 ratings
Positive93.5%
Neutral2.2%
Negative4.3%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

Sizing US/CA

All ratings13 ratings
Positive46.2%
Neutral15.4%
Negative38.5%
Written reviews9 reviews
Positive11.1%
Neutral11.1%
Negative77.8%

In-app purchases

12 purchases

Code Snap

Subscriptions12
  • Monthly Access$0.991 Month
  • Monthly Access$2.991 Month
  • Main Line Sizing$8.991 Year
Show 9 more
  • Monthly Access2 variants$9.991 Month
  • Main Line Sizing$9.991 Year
  • UPC / IPC Tables$14.991 Year
  • Monthly Access2 variants$14.991 Month
  • Fitting Take Offs$14.991 Year
  • UPC / IPC Tables$19.991 Year
  • Fitting Take Offs$19.991 Year
  • All Plumbing Tools$29.991 Year
  • All Plumbing Tools$39.991 Year
None

Sizing US/CA

No in-app purchases

Questions

Is Code Snap free?
Code Snap is free to download, with in-app purchases available.
Is Sizing US/CA free?
Sizing US/CA is free to download, with no in-app purchases.
Which has better reviews, Code Snap or Sizing US/CA?
Code Snap is rated higher. Code Snap averages 4.7 out of 5 from 231 ratings, while Sizing US/CA averages 3.2 from 13 ratings.
Do Code Snap or Sizing US/CA have ads?
Sizing US/CA shows ads; Code Snap does not.
Which is updated more often, Code Snap or Sizing US/CA?
Code Snap ships an update every 2 months, and Sizing US/CA every 6 weeks. Most recently, Code Snap was updated on September 21, 2026 and Sizing US/CA on June 3, 2026.

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