Comparison

Gas Pipe Sizing Calculator vs Code Snap

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

Head to head
About

Gas Pipe Sizing Calculator

This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.

Highlights
  • Calculates minimum gas pipe size
  • Input BTU load
  • Input longest run length
  • Select gas type (LP or Natural)
  • Designed for low pressure (0.5psi)
Features
Read full description

Tired of looking at charts and fumbling around in codebooks in order to size gas pipe? This pipe sizing calculator takes all of that work and hassle out of the equation by calculating it for you, based on the total BTU load, length of the longest run, and type of gas. Simply enter the values, select your gas type (LP or Natural) and hit calculate. The minimum size gas pipe needed will be outputted, so you can continue on with your day. Designed for low pressure, 0.5psi

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/

Screenshots

Gas Pipe Sizing Calculator1 screens
Code Snap4 screens

Verdict

The call

The clearest difference is review sentiment: Code Snap at 87% against Gas Pipe Sizing Calculator's 13%. Code Snap also leads on price (Free vs $1.99) and rating (4.7 vs 4.0). Gas Pipe Sizing Calculator's advantage is in-app purchases (none vs 14) and iOS requirement (12.0 vs 18.0). On ads 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

Code Snap is free to download; Gas Pipe Sizing Calculator costs $1.99 up front. Code Snap sells 12 in-app purchases, starting at $0.99 per month. Gas Pipe Sizing Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Code Snap holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Code Snap has 231 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 87% of Code Snap's.

UpkeepUpdate frequency

Gas Pipe Sizing Calculator ships an update every 13 months, Code Snap every 2 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Gas Pipe Sizing Calculator versus Code Snap: the parameters behind the verdict, then further details
ParameterGas Pipe Sizing CalculatorCode Snap
Price$1.99Free — better
Rating4.0 (4 ratings)4.7 (231 ratings) — better
Positive reviews13.3% of reviews86.7% of reviews — better
Number of ratings4231 — better
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size0 MB77 MB
Age rating4+4+
DeveloperConnor KelleyMagnitude LLC

Customer experience

Gas Pipe Sizing Calculator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews15 reviews
Positive13.3%
Neutral13.3%
Negative73.3%

Code Snap

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

In-app purchases

None

Gas Pipe Sizing Calculator

No 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

Questions

Is Gas Pipe Sizing Calculator free?
Gas Pipe Sizing Calculator costs $1.99, with no in-app purchases.
Is Code Snap free?
Code Snap is free to download, with in-app purchases available.
Which has better reviews, Gas Pipe Sizing Calculator or Code Snap?
Code Snap is rated higher. Gas Pipe Sizing Calculator averages 4.0 out of 5 from 4 ratings, while Code Snap averages 4.7 from 231 ratings.
Do Gas Pipe Sizing Calculator or Code Snap have ads?
Neither Gas Pipe Sizing Calculator nor Code Snap shows ads.
Which is updated more often, Gas Pipe Sizing Calculator or Code Snap?
Gas Pipe Sizing Calculator ships an update every 13 months, and Code Snap every 2 months. Most recently, Gas Pipe Sizing Calculator was updated on October 15, 2026 and Code Snap on October 14, 2026.

Other comparisons